PO430 CODE The real story...don't waste your money!!
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- Опубліковано 29 вер 2024
- Most people replace parts that are not needed...AMAZING. This code is ALMOST ALWAYS this issue. 99% of the time I've found out.
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Ford and their plastic intakes. Some engineer needs a smack in the back of the melon for that idea.
I agree with you specially with the water pump inside the block in the 3.5L engines ....
I get the P0420 & P0430 codes and I can clear them ok. But once the ute is driven for say 50 klm the engine light comes back on again and sure enough the same code is present. This ute does alot of sitting around in a garage which I know is no good for it.
So if it was a vacuum leak or sucking air in would the engine light come on virtually straight away?
Thanks very helpful
An intake manifold leak will throw a lean code not an emissions code.
Yep. P0430
Hey amigo this should work on p0420 code? It's related? And good info....
Well po420 is mainly a bad cat converter. You really need to get a cheap temp gun and measure the inlet and out let temp of the converter. po430 is usually a intake gasket. But all these things could vary.
Thank you... new suscriptor...
;)
@@FixingWithPassion I respectfully disagree with this statement. P0420/30 is exactly the same thing. The only difference lies in the location of the cat. Indeed, p0420 is bank 1 (passenger side) and p0430 is the cat located on the driver side. Thats all.
Ohhh
I would back that up with fuel trim data. Trims would be +15-25% and pulling a lean code too.
People don't replace the catalytic converter or oxygen sensors!!!!!! Check for leaks first:
1- Intake gaskets.
2-Vacuum leaks.
3-Just do some research and you might save a lot of money.
Most Mechanics don't understand this.....and they don't care. They just care about getting paid!!!
tvwxman32 how do you know all technicians, and what most of them understand? how do you know if they care or not? how do you even know what they care about?
for some technicians it is all they know or all they have grown to know.
you should be very proud you fix one car correctly, some of us hard working technicians only get the cars the others can't fix. since this vehicle has many problems.... maybe you should be more humble, because there will be that one you cannot fix. let me know if you need my address when you are stumped.
Ahh, no problem. I've just seen and delt with some real bad mechanics in my life. But I did NOT say ALL technicians were bad. I Just want people to use caution and get a 2nd opinion if they feel confused. Humble, yes...There are times I'm stumped also. But sharing my knowledge, I hope will make someone fix a issue I know about from first hand. Nothing more.
TVWXMAN32 were you hearing any types of sounds?
BIGGSAndroid ....Actually...it ran just fine...just a bright check engine lighr.
chris keiley
This old man knows what he's talking about, I've dealt with this issue. I had o2 sensors replaced and cat. Still codes came up. I found this video, went outside and tried his video with just tightening the intake tighter, and bam no check engine light anymore, or codes. Thank you sir, thank you. I wish I tried this before I spent hundreds.
Glad it worked.
Never thought of that. I actually removed my air filter to clean it..and code came up later. Might try that.
Cool, let us know what you find!
Unfortunately that wasn't the issue but the air filter cover wasn't seated/sealed properly so that got "fixed" :D.
Might look for exhaust leaks next.
Major Cool! Glad you found it!
If those people do a proper diagnosis they wouldn’t be just throwing parts. It’s a fairly common issue with the plastic intakes. If a mechanic is just taking your money by doing bad diagnosis then why keep going to that mechanic. Thank you for this video.
Word!~ Thanks for watching.
I always tell my customer to check for vacuum leaks,misfire, purge valve solenoid staying open causing lean code, worn spark plugs or thermostat staying open causing rich condition. Instead of them taking it to a "mechanic" pulling the code po430 & asuming its a bad cat and 02 sensor and having them change it, which in NOT CHEAP!! & later find out that it didnt help or the code went away for a while and came back. & start blaming the parts being faulty. But in reality if they checked & properly diagnosing it in the first place it could've been a 80cent vacuum hose broken or a simply pcv valve. Instead of spending $300 to $1000
You are right! Its sure is a science!
If this was actually the case, it would show up in live data..st/lt fuel trims compensating for the vacuum leak, watch your live data fuel trims..you should also watch live data for cat sensors..very easy to see whats happening if you know what you are doing
True. Thanks for the tips!
And if you dont know about fuel trims Schrodingers Box channel has a good video explaining this. And I'd like to double down on the comment saying a lot of PART CHANGERS dont know or care.
I think you might be dead on with this. I recently changed my spark plugs and wires and my car was suddenly giving me a p0430 (inefficient cat below threshold bank 2) and my fuel economy dropped. I checked the CAT for signs of damage or overheating, tapped it with a hammer and it was showing no symptoms. I then took my intake manifold, throttle body, IAC and EGR off and gave them all a thorough cleaning (especially the back of the throttle body, ensuring it moved freely). I made sure to put everything back on tight but not too tight (to avoid cracking the plastic). The error code disappeared and never returned.Not only that but my mileage increased to a better efficiency then it was before. I think I may have loosened the intake manifold when I replaced the plugs because my TB and IAC weren't even that dirty. And maybe the EGR cleaning helped with exhaust efficiency?? I don't really know but my car's golden now!
I had the same exact issue (I changed the plugs and wires and coils on my Jeep Commander, and all of a sudden I'm getting the P0430 code). Non-mechanic here, so my question is what are the IAC and EGR? And thanks for the tips, I'll be removing/cleaning/reinstalling as you mentioned. Hopefully that will clear my code.
IAC=Idle air control (you should be able to access this fairly easy, top of engine, one of the air intake components) and EGR=Exhaust gas recirculation unit or valve. Get some carb cleaner or brake cleaner handy and just google the specific location of these components for your make and model. Clean your throttle body and MAF (mass air flow sensor) while your in there. Screw in everything tight but try not to crack any plastic parts of your air intake system and ensure hoses are snug.
Thanks!!!!
I got the code today, and decided to research it first, and found your video. 457 dollars to replace the y pipe with converters, or 120 something for one (not shop price). My light came on while in the car wash in my 07 Silverado, so I knew it had to be water related. I sprayed around the intake and inspected the exhaust with no luck. I decided I had nothing to lose, so I tightened the intake bolts, and cleared the codes. Drove it around and still no light or code! Ill be doing intake gaskets this weekend, thanks!
Price sounds just about right. Hope it works! PO430 in most cases is the intake gaskets leaking or a air leak somewhere.
What ended up being the problem I have a 2010 sierra
They make cars way too complicated these days. It's all in a bid to continuously rip off the customer.
They need to focus on good reliable engineering instead of gadgets and laptops.
dhalsim1 Yep...it's all about getting the air clean out the tail pipe so the environment stays smog free.
@@FixingWithPassion you do know most cars over 8 years old are worse than most cars before catalytic converters were made? The reduction in performance of the cat increases fuel consumption and the cycle continues as most people only replace that emmision junk when it causes drivability issues. They also waste a lot of materials like platinum and steel so there is more emissions from production and mining so they really cause more damage then they help.
Should not there be p0171 and or P0174 if the intake manifold cracks a little? What if it is only P0430?
True, but you can get a po171 and po174 if it a bad exhaust leak. I have a pending po430 again...I need to test the converters now. I think one is actually getting bad ;(
po430 is almost always a intake, air, moisture slight leak. For me that's been my history.
@@FixingWithPassion Hey man. Great video. I have a 2002 Lexus IS300 and am getting codes p0430 p0171 p0174. What do you think is wrong here?
Thank you
@@FixingWithPassion how can I test the cats? Infrared thermostat? If so what should my readings be? Have you ever used a O2 sensor spacer?
Thank you
I would think if this was true you would have a mis in your idle or other codes showing up as well.
Yea has to be perfect!
This was absolutely the case with my 06 jeep had a code for all the 02 censors and both converters. It was my intake unmetered air problem.
Nice!
Nice video,most just play the guessing game. 99%of the time cats are caused to fail from degraded components. How bout that rod knock on start up....
all trouble are come from the stupid code system, can it indicate better information beside just show the freaky numbers ?
This works for vehicles with a plastic intake manifold. Otherwise, it is the catalytic converter!
Thanks for saving me hundreds.
Intake was 350 and fixed the issue fairly easily. 1200 for catalytic converters and that would have been a pain.
Hi, thanks for posting this video. My question to you is, I have a 2015 ford taurus police interceptor with a 3.7 v6 awd. this code just came on. Do you know if your thought applies to this engine as well?
did you fix it?
If that's the case then there will be positive fuel trims.
Yea true.
I have an 03 Explorer that was running rough and then triggered this code. I first went to Ford forum where they suggested O2 sensor, then cat. I watched this video and it was right on! I don't have a smoke machine, but do have lots of time. I pulled off intake and replaced the gaskets. Took about 4 hrs. Both problems fixed for $20!!!!
BTW this car does not have coolant in intake manifold so that was not involved. Can't thank you enough!!!
Hell ya!! Glad it worked for you.
I had a haunting idle when the weather gets cold. Made a smoke tester with a canning jar an air mattress pump and some poly tubing. 30 seconds later I found the plastic plenum was leaking where it bolts to the intake. Thanks for the video.
That's awesome! Thanks for the story!
Awesome video, good advise but there’s a sequence on what to check first. In addition: if you suspect a faulty o2 sensor, remove and test it before replacing it. Tons of videos here on how to rest o2 sensors and their wiring that hook up to the sensor.
Had an 02 sensor changed this morning. Check engine light went off. Went home, let my sequoia cool off, changed the valve cover gaskets ( not one of the bolts on the cover or coils were tight ). Start er up. Drive around for about 30 minutes before inspection and now I'm getting this code. Engine purrrs like a cat. Guess I can try to go back and look at the coils to make sure I didn't miss tightening down
Thank you very much, 2006 Ford Expedition, re torqued intake bolts and ce light went off after 30 mile self check! Saved lots of money!
Hope it last!~
thanks for video. i have 04 toyota sequoia. p0430 code came up. machanic n autozone says " it s catalytic converter"
you v got me thinking. how much cost to replace intake gaskets about??? please, help.
I would think a lean code would be set
sometimes
Great info Nathan. Best video regarding that code. My engine light came back with this code. Lasted for a week then it disappeared. I have a 2006 Toyota Tacoma 370K miles. Never been in the shop. Any suggestions why the light disappeared? Thanks
Is If there is intake leak/cracked the fuel trim will be out of specification right?
yes
2005 Chevy Tahoe P0430 Both banks
Cataclean
Fuel system cleaner
Fuel Injector Cleaner
Gallon of Laquar Thinner
Engine light still comes on and Emissions Readiness still an X!!! Evap also an X.
Yeah,, people always run behind either the 02 sensors, and catalytic converters. Not saying they don't go bad. But you're absolutely right. Check for leaks and vacuums. I had the same problem. I used, just off a humbug,,, Cataclean. I simply drove it for a moment, put gas in it and did the same thing. The check engine light was off. Sometimes it could be a little dirt in the valves.
So true! Thanks!~
@@FixingWithPassion I also was wondering. (switching gears for a moment),,,,,,have you done a video on changing the fluid on Transfer case on your 2000 Expedition 4.6?
Exhaust leaks vacuum leaks mass airflow sensor is 90% of the issues with this code as a mechanic I dealt with. It was rare or ever a o2 sensor goes bad .when a o2 sensor code goes off it's doing its job .telling you something in the system is wrong
2005 Nissan Xterra, P0430. I did this exactly as shown and following filling my tank yesterday, the code P0430 is back. Did not work for me.
Change the fuel cap.
Didnt work on 2003 explorer 4.6l still p0430 code. Replaced o2 sensors last year.but my concern is,ive got the milky oil cap and water filling up in oil seperator i put on truck. There was a bunch of water in spark plug hole in cylinder where this intake cracks.(driver side plug closest to firewall)what is up???? Inspection is due and im frustrated
That's your issue. The intake gaskets are a big issue on these plastic intakes. E-BAY , new intake with gaskets...$120.00...Fixed my PO430...on all 3 explorer's and my expedition. As for the milky stuff, moisture could be getting into the intake;( ...from the bad intake gaskets.
If you have milky oil cap p0420/30 will never let you go
My mechanic said the codes read the 2 o2 sensors and the catalytic converter. I told him I couldn't afford the job. So instead he did a complete tuneup and did a fuel injection service. No engine light so far for 3 days
jules bet it came back on?
A blocked fuel rail was what was causing mine in a 2000 Nissan maxima I bought with a check engine light on. The previous owner and his mechanic replaced o2 sensors and cats and it kept coming back i kept pulling the freeze frame data for 6 months and determined it was a fuel issue
Holy cow thanks for sharing.
9/99 or 2000 model year Infiniti i30 use to tell me I needed my cats replaced. New Hitachi coil packs and replaced both speed sensors ( bank a and the revolution. Shifts smoothly and no more waiting for my speed odometer to wake up . (Po500)
Fluid is blackish red thinking about removing a couple of quarts and adding some Lucas. Hopefully I can get another 100000 thousand miles out of the old transmission.
I have 253000 miles on her .
The engine seems to be acting like its unstoppable.
Royal purple high milage 5w30 . Helps with noisy lifters.
I love my car. Clear coat is trash. Chips.
I had a 0 volt o2 sensor replaced it helped. Genuine Nissan part it works very well.
I use bluedrive. To troubleshoot.
Thumbs up thanks for the heads up.
I ran a bottle of Lucas super fuel system cleaner/ combustion chamber cleaner every fuel up for 3 months straight and like it says on the bottle it works check engine light went out on it's own a week later and I reduced it to one bottle a month and now I'm on 1 bottle every 3 months still no check engine light and my power and performance is back but my fuel economy still isn't but I blame that on 3.5 mile trip to work and back for a total of 7 miles a day
On our trips back and forth from MD (170 miles each way) I do get close to the fuel economy I'm supposed to get 30mpg, I see abo 25mpg and again I blame traffic on that one sitting in the same spot for 20 min or more alot in MD on the beltway
All the plastic crap in car engine compartments today instead of reliable, long-lasting metal.
Also from what I hear on Toyota’s. Any exhaust leaks before the sensors will also cause a P0430/420
SOOOOO right!
Yes, exhaust manifold leaks can actually make the computer think you're running lean and set a lean check engine light, while in reality the engine will be running rich due to the computer being tricked.
Figured most OEMs would use the same codes, as in generic.... but chevrolet typically throws a "P0171" code only when theres a vacuum leak somewhere on the engine, like in this video, cracked/warped intake manifolds would do it as well.
Well in my case on my 98 crown Victoria they guy I bought it from told me about the code it had the ecm replaced due to multiple misfires on all cylinders when I got it runs fine code came back also manifold cracked I have a new manifold new plugs still have code could the previous issues have done the catalytic converter in already
O my !
Plastic intakes... how crappy the US car makers have made their cars.
I know right!~~
I had my engine completely rebuilt by a reputable machine shop about two years ago and I’m sure all gaskets were replaced...so why would this happen? Could it be catalytic converter? My truck is almost 20 years old. I replaced all O2 sensors.
Buying a Ford is the main problem.
I had p0430 today 2004 Toyota Highlander 3.3L I found one of the clamp secure the air box lose I put back on I cleared the code drove 200 miles and problem solved I had the catalyst converter monitor red states before I checked agin and it’s green ready for smog test now . Thanks 🙏
Nice!!
your car is knocking man is that why you wana sell it?
I gave it to a religious colt!
how do you know if it's the intake. I just changed my radiator it had a hole. but im still getting bank 1 and bank 2
Bank 7-B
Smoke test. Pull a vacuum hose, plug the port where it hooks up, and blow cigar or cigarette smoke in the line and watch for it to come out somewhere.
Same thing is happening to my 2004 rx330, should I check the intake for bad gasket or cracks?
Yeaaa....
@@FixingWithPassion I had orileys check the code and to clear it also, ran it 2 days and it hasn't came back
Thanks for sharing! This code comes on and off, but recently found a crack on my 06 G35...I was thinking I needed a new OEM cat converter which was gonna run me $800 since I was told my car can't take universal cat converters.
Sounds depressing ;(
I know!
Not the case for most cars / truck it’s just the case for those junk ford makes
My 2000F150 Just threw this code. Just to reiterate are you saying I should simply look for cracks and change my intake gasket? (sorry, I'm a newbie)
Yes. Plenum Intake gaskets are notorious for going bad.
This is a good information, thanks so much.
Will a simple pressure check find this leak on the intake?
If you suddenly have codes popping up, ask yourself this. "Has my battery gone completely dead recently or did I change the battery myself" If yes, drive your car through the manufacturer specific, driving recycling procedure to re-boot your computer. A lot of things can be fixed by just idling from a cold start for a few minutes while turning on every electricity item in the car. AC, rear defroster, radio, lights, etc.
Nice! Getting a new one today before the ice age hits.
Excellent work 👏🏻
I subscribed 👍🏻
Bah ahaha!! I would rather replace an O2 sensor than spend hours and hours removing and replacing an intake gasket lol!
Ok, lets hope you don't break the O2 sensor, even if you could get it off, only to have to take off the exhaust to get out the broken o2 sensor. Sounds like a good time to me.
If the intake had a leak that was causing the check engine light to go off what good will replacing an o2censor do? I think you missed the point of this video
@@danielbaumgartner572 Your the one saying you'd rather remove the O2 sensor. My video is stating not to remove 02 senors first. Check for intake leaks etc first. I think YOU missed the point of this video. Thanks for watching!
@@FixingWithPassion I think Daniel is talkiing to DuzBee, y'all are on the same page. Either way, thanks for this vid.
I'd rather just fix what ACTUALLY is the problem
My 2008 Jeep commander keeps throwing this p0430 code. It has what sounds like an exhaust leak at start up when cold that lessens after a minute. Would that cause that code?
No
I mean for me the car gets too heavy at 50 miles
Wow 😮 I have another parts on my 4runner 2003 😢
I just put a new intake on and lightr came on after
What gaskets are you talking about when you that you have coolent going though gaskets?
My 2006 Ford fusion has the po430 code n the engine skips sometimes
Again?
Thanks for the video! I'm a novice mechanic. Trying to learn just enough to be dangerous. :) Especially if it's something I can do myself. I have a 2005 Jeep Liberty and I have the P0430. Are you talking about tightening the intake manifold?
Good to check them. Check fuel trims with a code reader.
Very good advice; noted what appeared to be a class II coolant leak under the car last week and just haven't had time to investigate it. Today the wife told me the check engine light came on and my scanner spit out the P0430 code. Going to have it checked out and will post what the shop finds later.
It can also be exhaust manifold leaks. Basically any point that has a gasket before the 02 sensors can fail and let extra air into the system
Word!!
Just wow!!! You just saved me hundred I’m so grateful for this video. Thank you so much
This is the least most common problem when that code shows up the chances of that being cracked or loose now if you just had your spark plugs changed on your Dodge Grand caravan the whole air intake's got to come off mine was just seeing 6 months ago and now the code is showing up I went underneath I was able to get my hand on one of the sensors I touched it to see if it was loose tried to turn it nothing went back up started my car check engine lights off did the key method three times left it forward coach shows back up but check engine light goes off it's only been on for a 4 hours I wonder if the wires are just loose not sure
Yea doesen't take much.
@@FixingWithPassion just changed plugs and wires on 08 ranger .. now I've got that code .. definitely gonna check this out before buying any more parts especially since this code wasn't before the new plugs and wires!
good info... but this is just one of many things that can cause that code
So true!~
Just fixed a Lexus with this P0430 code. Found a vacuum hose not connected hiding under the bolted engine cover. I did replace the B2S2 because it was not a Denso and it was not switching very quickly. Definitely not within the 100 milliseconds timeframe.
Nice!!!!
B2S2 should not switch at all! It should be flatlined at around 0.8 volts. If it is switching, particularly if it is mimicking B2S1, then that is a catalytic converter problem.
P0430 is a catalyst efficiency code. Not an 02 code. I'm a 20+yr senior master with ford and real technicians know how to monitor fuel trims. Btw we don't use carb cleaner it catches on fire. Use water is less flammable. Not all technicians are bad and it's unfair for you to say 90% are.
Your right! There are so many variables! Thank goodness for guys like you helping everyone to understand these things. But still the PO430 is the code form hell! ;(
What are fuel trims
The trims if u can read them right will save you on a ton of fixes besides this one. The percentages have to balance
Thanks for the reminder!!
Or use propane.
Car running hot Chrysler 300
Its not one size fits all!!! Not all vehicles had your piece of crap plastic manifold !??
Hu????...? ? !
Didn’t work for me 02 Lexus IS300 code P0430 is a pain in my ass! Thanks for the info.
Don't give up!!!
Nathan Rohrbough I’m not going to try the anti fouler method I’ve already replaced the bank 2 02 sensor
From personal experience you can look at your long term fuel trim level. If you see it at 20% that is at the limit of the computers authority (Maxed out). This almost always means a vacuum leak.
Absolutely! Thanks for your experience for sharing this knowledge to master this code! Together we will help folks save tons of money!
What's a 'fuel trim level' and is it something I (a regular non-mechanic person) can check myself?
Thanks
Hi Nathan, I got a avensis t25 2004 2.0 . I got the p0430 code. I saw that my intake gasket is also made of plastic. Do you have any experience in such models and same faults? Thank you.
Intake gasket possible or a air intake leak.
@@FixingWithPassion thank you.
Knock knock. Who's there? Rod. Rod who? Rod knock
lol
I have an 05 Titan, I disconnected the o2 sensors, took them off, cleaned them out with nothing but air from my compressor. no light or codes since then.
Good to know it worked!
E Serrano. I have a 06 titan with an exhaust leak. I think that's why the failed Bank 2 catalytic converter code came up
yea porb so ;(
E Serrano How about within the last 4 months ?....have they come back on ?
Have a 2013 F-150 with the 5.0 and I just had this code pop up. I put on a new Canister Purge Valve (mounts right into the throttle body) on my truck because it was pulling a vacuum on my gas tank a couple days before I got his code. I'm going to look for a possible leak around that or the intake gasket. Ill post later if this is my fix. I really hope this does it.
Yea there is a leak there somewhere;(
Robert Dallimore .
Robert Dallimore update? i have samd year truck and engine and just got po430 last night...
Brian Desjardins got the same issue on my f150... any updates? Thanks
Have any of you guys find a fix for that code on you f-150. I have the same code. Says my cat below trush hold bank 1. I cleaned the sensors and got a new cat. Code still there. I'm going to look for leaks but was wondering if anyone found a easy fix or leak.
Great video - very informative! I've got a '99 Mercury Grand Marquis with a P0430 code. The engine light was on for a few days, then disappeared for about two or three months, then back again for a week, now off again. The car just passed the emissions test, recently, and when you turn it on and look under the hood, everything seems to be running normal, BUT, as soon as you put it into drive with your foot on the brake, you can feel an intermittent jerking. While driving, not so much, but at the red lights, yes. So, the question is...if it were the problem that you're describing, would the car still jerk a bit? Also, how much do you estimate it would cost a typical mechanic to fix the part in your video, if it turns out to be that? Thanks so much - I just subscribed to your channel!
can you update a video for dummies, lol, can the intake be looked at without removing anything, code just came up on my 05 pathfinder, 0 experience with cars, well i can do an oil change, thanks for help
Best thing is remove it and replace with new gaskets if its a PO420 code.
Unplug one of the vacuum lines (and plug up the port where it hooks up. Light a cigarette or cigar and start blowing smoke in the line. You might see vacuum leaks this way. Done it many times, and found a leaky intake I fixed once too.
Thanks for the big help !
Wow! I was just reading through some of the comments and came across the one where you mentioned that the P0430 code was pending after you replaced the intake manifold. I'm not saying that your vehicle didn't need the intake manifold, but in my opinion you jumped the gun posting this video and have probably misled many people. As a professional mechanic for over 30 years I find these types of videos to be both sad and funny at the same time. Keep throwing parts at your vehicle and talking shit about people you have never met before.... Lol. Oh yeah, maybe you should delete this video as the title is absolutely incorrect. And you actually did change the wrong parts lmmfao.
lmmfao...No it fixed the problem. I guess i got one over you. As a professional mechanic for 48 years, I find these types of comments to be both sad and funny at the same time only to brain wash folks to spend money where they don't need too. O as for "talking shit" I guess that's you now. Maybe you should delete this comment...o wait, this cumming form is a troll comment.
@@FixingWithPassion so by fixing the problem you mean that the returning P0430 code is not what you wanted to fix in the first place? I'm not out to get you or talk shit, but if you aren't interested in telling the truth then perhaps you can elaborate on what your original goal was. If you were trying to eliminate the bank 2 catalyst efficiency below threshold malfunction, then my opinion is that replacing the intake manifold did not completely solve the problem. It could have been an underlying issue that contributed to the P0430 code being set, but if you have 48 years of experience as a mechanic, you would have seen the lean condition in the datastream. There are these things called PID's. One of them is known as LTFT (Long Term Fuel Trim). It is important to look at that before condemning any part, especially the catalytic converter. However, I'm sure that you already knew that, with your infinite wisdom. All I can say is that the thousands of vehicles I have successfully diagnosed and repaired in my career have typically set lean fuel mixture codes long before any catalyst code. Perhaps your vehicle is not the norm.
@@user-gj4ei6dc5q That's right, the P0430 code will trash the cat eventually giving a P0420 if you know what to look for. Trying to keep people form spending thousands of $$ on catalytic converters is my goal. If there is a P0430 then look at different things, not the cat first. Trims, loose hoses, injectors seals Even a leaky fuel pump etc. But you know this. When you see a p0420 code...your cats are usually trashed. P0430 codes are the crack in the bridge before the entire thing goes down. -Have a nice day.
@@FixingWithPassion
Wtf? I can't believe what you are saying here. The definition of a P0430 is catalyst inefficiency below threshold bank 2...the definition of a P0420 is catalyst inefficiency below threshold bank 1. Please correct me if I'm wrong. I'll wait....
Again, I'm not trying to make you look bad, but please admit when you may have made a mistake. If you want to mislead people with nonsense, that's not a good thing. If you want to talk about facts, I'm more than capable of disputing your previous response. My opinion is that you owe it to yourself and your viewers to admit that there is some potentially misleading information in your video. You can post your opinion about any topic you want, and so can others.I have never met you in person and have no reason to discredit your misunderstanding of logic other than the obvious illogical conclusion you are trying to present.
Wow!!! This guy is saying change almost ur engine!! 😆
If you know to
Thank you. Simple and easy
You're welcome!
Had a friend with a 98 Lincoln Continental. The mechanics wanted a ton to replace cats. I looked at it. The boot from the fuel filter was not even connected to the throttle body. I clamped it back on and code went away and has stayed away.
Edit hose from air filter to throttle body.
Good video thank you sir.
Nice!
Thanks that makes sense
On your case maybe but its not one size fits all dummy!!!
Big dummy!!! Listen up!!
hi i have check engine light and the coolant is getting lower.i think i should follow your instruction.mechanics told me to replace catalyst converter.how to fix this problem...i am using a lincoln town car
Yep....Prob Intake Plenum Gasket. ;(
I am have same problem last night, service engine soon ON,stop the truck and check the oils thats was good, them check the coolant was lower, according the recomendatios on videos here,i have togo to auto parts ,to have diagnosis the computer to see what code is the problem and start to fix my self, thanks so much to every body to help as to safe auer pocket, god pay you.
I have Chrysler 300
Yes, but! The code didn't come back BUT, Oxygen Sensor Heated came up as Not Ready! So, the sensor isn't getting hot enough, so you probably have to drive at high RPMs and then rev the engine while you sit in line at the station. Keep your own monitor on the OBD2 to monitor it just before it goes in.
WOW you are DEAD ON...I lost 3 fords to P0430...lost coolant...eventually head gasket cracked...wish I saw this
People think I'm nuts....this happens all the time. And if you live in an area where you have to have
a emission sticker, your screwed until that gets fixed! ;(
From my knowledge anything after the MAF if you have a leak it messes with your air fuel mixture and trys to adjust and it causes wrong amount of mixture and can clogg your cat or o2. Its these small little things that we over look. I just got a used car and having similar issues thats why im here.
could this relate to 2004 toyota highlander?
;D
Nathan Rohrbough I take that as a yes?
I just fix the timing belt on my camaro 2010 3.6, after that the code p0430 popped up and now I’m trynna fix it, just did the cataclean to see if that works…. But watching this video idk if that’s gonna be the problem!
Well done buddy you are the best
I have a 2010 Honda Pilot. Just had a left cat replaced and the two o2 sensors. Then, I got this code. I swear I think I hear exhaust tick/leak. Taking it back to get it checked. Luckily, my mechanic is honest. I live in a state with no emissions testing.
I have a 11 Acadia and broke down w this code, you familiar with them? Are they plastic?