How to replace a Fuel Pressure Regulator
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- Опубліковано 29 вер 2024
- Learn how to change a fuel pressure regulator on 350ci LT1 or LT4 engine. Replacing the fuel pressure regulator (fpr) is a similar process for almost all cars and this video is a great reference!
Here is the fuel pressure regulator I used (good price too):
www.amazon.com/...
Here is how to test your fuel pressure regulator: • Fuel Pressure Test
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Disclaimer:
Due to factors beyond the control of ChrisFix, I cannot guarantee against improper use or unauthorized modifications of this information. ChrisFix assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. ChrisFix recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of ChrisFix, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not ChrisFix.
![How to Test for a Stuck Open Fuel Pressure Regulator! [A ScannerDanner Premium Lecture]](http://i.ytimg.com/vi/ZG8rMJwILxA/mqdefault.jpg)
2017: HEY GUYS, CHRISFIX HERE!!
2012: ok we're gonna replace a fuel pressure regulator
haha
@@chrisfix can you please shout out my UA-cam channel it's buggy boy
@@charliebrowne3620 why should he
I like it when you said*not torques
@@chrisfix wow sound evolution
The first TRUE MECHANICAL VIDEO from Chris Fix
Chris began to use the word "BEAUTIFUL!" from this very beginning at 7:32.
hahaha
7:31 idiot
true story
@@Martin-xh1hd actually 7:32 not 31 dumb
Also remember they might missed it by a second or not.
Hehe 69 likes
I can't believe ChrisFix's first DIY video helped save my car... Thank you so much!
When you have the car off and turn the key to the run position (car is still off and the fuel pump primes), does the fuel pressure increase to ~40psi? Does it stay at ~40psi for 10min?
I could do this for you... It's simple to do and there are a few different ways to approach this.
It is just one O-ring and you can clearly see it at 5:06 ... I would replace the O-ring because it is a cheap part and failure of this part could catch your car on fire... For now if you take the O-ring off, soak it with a little motor oil, then put it back on, it might hold for a little (to get to the parts store)... But leaking fuel is very bad so get a new O-ring asap!
Nice video, such easy access to the fpr. Its a pain in the ass with a camaro
Thanks man! Yea, I have heard in the camaro it is tucked away! Hopefully this helps a little with the fix!
Just did my 95 Vette, this video helped alot, Thanks
+Vetteboy- 53 Awesome! Glad the video was helpful!
Just another comment about how much Chris Fix has improved.
great, precise instructional video manual!
abacus091 Thanks a lot! Glad the video was helpful! New automotive 'how to' videos every Thursday and most Mondays so stay tuned!
Thanks so much for your quick response. It's some type of Fuel Air Valve or something like that.
This morning I started mine up and for a split second I realized it wasn’t the same amount of cranks and it was really boggy… Drove it down the street, drove it back and parked it in the driveway. 20 minutes later I go to start it up and it’s just cranking now… No start, I was thinking maybe bad injectors but this looks easy enough to swap out…
My question is, why/how did you know it needed to be changed? What were the symptoms? Mine has been running great, so much that the last time I drove it I pushed the hell out of it on an empty freeway and it did great…
really wish you could have showed everything till the end. the adding process would have been a great help also.
You mean putting it back together? I do that in my how to videos now, but this was one of my first. It is EXACTLY the same as taking it apart.
I really like your videos now, they are a great help. Did my rear diff on my chevy a couple weeks ago.
Thanks man! I bet you saw the difference from the old one compared to the new one! The keep getting better in my opinion!
This is where it all started
I wonder if silicone would be okay on the o-rings, or would that run the risk of clogging the fuel system? I'd rather use silicone, because it's rubber safe and is made for o-rings.
Why do you not want negative battery terminal touching anything metal ? Isn’t that terminal just a ground connection ?
+chrisfix it's a 1996 corvette lt1.
tomas puigjane Try to reply to your original comment so all of the comments stay in the same place. Otherwise I lose the context of the question.
Great video Chris! Thanks very much.
Do you have anything related to removing fuel injectors and cleaning them?
Thanks in advance.
emgraphix1 Thanks, I am glad the video was helpful! I dont have anything on removing fuel injectors and cleaning them yet. I plan on doing something this spring/summer so stay tuned!
I think I'm having this problem. I'm getting a '97 Honda Passport that will start, but it won't stay running. It acts like it's starving for fuel. I've already replaced the fuel filter. I'm fairly certain it's not the fuel pump because I really don't want to drop the tank. (More hope than anything else).
And so it began.
Back in time when he didnt use gloves lol
What causes fuel to come in through an intake?
Hey chris would this cause the vehicle to stall intermittently if that fuel pressure regulator was bad? I'll drive and the car will shut off
Possibly but many things can cause that.
I'm planning on replacing this device. It already has stains on it and it looks like its leaking. I already done plugs, wires, rebuilt injectors, optispark and powdered coated the intake. On a 17 plus year old vehicle...this should be replaced as a general principle. Why? Because the car could catch fire over a $40.00 part. Once the part gets exposed to gasoline, it doesn't matter if the car has 55 or 200k miles.
Chris, what happened to this car?
What happens if I don’t bleed the system?
I explained it right after saying you have to bleed the system!
Oh sorry thanks 👍
Ciao volevo sapere il modello acdelco per il ricambio
fuel regulator F 150 2003 4.2L I cant find fuel regulator on my truck any help please?
www.fordf150.net/forums/viewtopic.php?t=82039
my chevy sIlverado hd 2500 8.1 2004 , loses power going up hill, bogs down etc feels like fuel pump, and has a sweet spot on gas peddle, replaced MAF sensor already ?ty for your time
Check this out: ua-cam.com/video/_oXLUqE4Sf0/v-deo.html
Mandy Toon Catalytic converter
yup first check fuel pressure
i was waiting for "hey guys chrisfix here" and i got "ok we're be fixing a fuel pressure regulator" haha
Same
🤣
Lol me too... 😂
Dude same!
He didn't used to say that
no... the only fuel you lose is in the fuel rail... it is less than a cup
Exactly! And if you have new injectors, its good to have the correct pressure going through them! Sounds like you have a nice Vette!
It can be a number of things... I would check a few things to get an idea of where your problem is... Check the fuel pressure with a fuel pressure gauge ($20 online). It should read around 40psi when you just turn the key to the run position and it should not bleed down. You should also check the wires. Run the car at night in the dark and take a spray bottle with water and spray near the exhaust manifolds. If you see sparks, you need new wires. That should be a good start. Report back!
Maybe five years from now Ill have killer editing skills and have 2M subs lol
AutOdometer almost 4 million now
@@Jeremy_Hill_2020 almost 5
AutOdometer 6.2 million now
you aren’t at 2m sucks
Its 6,85 now
Haven't been long subscribed to you and you've come a long way. I'm used to "Hey guys, ChrisFix here." Not "Okay." haha
Sheldon Williams y8
Chrisfix, you've come a looooooong way in your video quality, editing and commentary. Good job, man!
Awesome! That's why I make these how to videos! Glad it helped
this video is so old that replies are broken lol
@@sleetskateFrrrr I kinda remember how the YT comments section used to be back then. Been using YT like it's TV around since 2013. For so long, in fact, that I don't even mind the ads anymore, so there's no need for a YT Premium when it comes to me. No sir. Lol.
@@trickyricky12147 i remember back in the day when replies were @'s the first time. then come 2011 they stopped using @'s, then 2013 broke the whole comment system and disconnected all replies from parents. and now we've come full circle with @'s lol
@sleetskate Isn't it great how UA-cam always goes full circle back to old features? They went full circle with the 'Go To Channel' feature when you click on someone's pfp to view their channel mainly live chats. A few years ago starting around 2020 till last year or two ago YT patched that feature, then brought it back. Yeah around the 2014/2015 timeline, YT used the plus sign "+john doe" (example) for a while until they scrapped that format. Lol
@@trickyricky12147 bob won the war against google plus lmao
Any spark due to a short will cause an explosion/fire and with the battery disconnected a short cannot happen... Any time you work with your fuel system you should disconnect the battery.
Well if you are going to change the wires, change the plugs too (I have a video on how to do that on the Vette). Is it missing when you put a load on it? Like if you are cruising along and then step on the gas hard, does it stumble? If so, it might be the optispark
yea? That stinks... I hate when it is difficult to do something that should be easy...
It is leaking, low fuel pressure, high fuel pressure, when you take the vacuum hose off the regulator it smells of gasoline.
It could but it could also mean bad fuel pump, leaking injectors, clogged fuel filter, etc... Try taking the vacuum line off the fuel pressure regulator and see if the pressure jumps up
Oh man very first fix video lmao look at you with tons of comments on how to fix stuff now look at you successful af whith a whole ass racing team hope you never stop making videos
If there is a recall then the dealership has to honor it... Just go and tell them that you have a recall that hasnt been fixed... It could be the reason it shakes (missing due to limited fuel at the injectors) and it could smell like fuel due to the regulator as well...
It is definitely not a valve. All that thing does is hold the fuel lines in place. It is a clamp you screw down to hold the fuel lines.
I dont know the exact name but it is a fuel line holder. It holds the fuel lines right before it goes into the fuel rail... Maybe ask the people on the corvetteforum. Show them the video and give them the time. I am sure someone will know. Good luck and let me know if you find out!
I'm the owner of a 1993 Vette, and I do all my own work when I can. I have done everything from replacing my Opti (not as hard as you may think as long as you keep a cool head), sensors, etc. I have always found that most shops try to BS you into getting stuff you don't need as they believe Vette Owners have deep pockets.
the clip will have some play to it but the fuel pressure regulator should be solid and not move.
Thanks for the tip!
Sounds like a check valve in the fuel pump (meaning you need a new fuel pump). Or it is leaking injectors (less likely).
2018: HEY GUYS, CRIS FIX HERE. AND TODAY WERE GONNA CHANGE PISTON RETURN SPRINGS
2012: ok... we're gonna replace a fpr
4:58
When dismantling any gas lines, it's a good idea to pull the fuel pump fuse and run the vehicle until it stalls out. Then no gas in any of the lines.
Would you then, afterwards, still disconnect the negative terminal on the battery?
@@diro6232 it's always a good idea to disconnect the battery when working on the vehicle. But you're good after pulling the fuse. I myself wouldn't worry about disconnecting the battery unless you're going to be by the fan in the engine compartment.
@@davecpgh Thanks for that timely reply. Could I bother you for one more question?...Once new one is in, and fuse is put back in and negative terminal is placed back on, do you have to do anything particular to prime back up the fuel pressure?
@@diro6232 easiest thing to do is turn the key to the on position then off then on a few times. It'll pump enough gas thru the whole line. If that happens not to work, then turn ronin position and pump the gas pedal a couple times, but be careful, you don't want to do that anymore than you need to
@@davecpgh Thanks for the helpful info! 👍 I will keep that in mind!
Did you add my others? (How to change oil, how to change headlights)?
I watched many of yours
Great! Glad it helped!!!
I can’t wait to do this on my Firebird where the back half of the engine is covered
Let me know how it goes!
Thank you so much for this video. It was exactly what was wrong with my son's Corvette. It's fixed now and running like new thank you again I love your videos
Even in 2012 cameras where sharp
Thanks! Hope it helped ya
Before Chris’ thread locker budget needed an accountant.
Can that cause a miss fire for all of them I have a 2000 Honda Civic as I drive it feels as it putters an as I accelerate it does in the more an can’t figer our what it is I just did a 800$ turn up on everything on it an it still does it
This is the actual first Chris fix video
Nice job Bro...Most do the same on my 96 Caprice 9 C 1......She never starts on a cold engine. Most start it twice until enough gas gets into the system. Again...Nice Job......
aye...it was the fuel PUMP
7:40 also gives you a good view of the single O-ring
You mean 7:40?
@@ALFA69 Bro it was 8 years ago when you replied
@@bellamckinnon8655 yesirr I'm still waiting for his response
@@ALFA69bruh moment
I miss the old days I'm so glad I can always find old vids by searching parts I need
Also if it hasn't been said, unscrew the gas cap, I had constant pressure with the fuse out and finally decided to take off the fuel cap and the pressure that was built up was now gone, large amounts of pressurized fuel in the line before taking off the cap on my 95 vette.
Great videos!!!
Chris, You are still helping us out with this video you did 10 years ago. These things develop odd leaks. Mine was leaking maybe 3 times over 3 months. I would smell fuel in the car for maybe 5 minutes and then go away. I thought it was a plugged vent line. Just checked the Fuel Pressure Regulator before checking the vent lines. Started the engine no leak. Pulled the vacuum line and it leaked bad on the non-vacuum side of the diaphragm. Thank you Chris.
One thing that comes to mind is that your injectors are leaking. This would cause the gas to leak into your cylinders and any blow-by at all would cause an excess amount of fuel to go into your oil. Plus, this would cause carbon build up on the plugs. When you start the Vette, if you tap the gas to rev it up quickly, does the exhaust make a popping sound? Leaking injectors can be caused by a damaged fuel pressure regulator, but I think it is more important to check to see if they are leaking.
I'm
😮
I am getting the feeling I would be better buying the in-tank complete unit, rather than blowing up your garage and house.
at least you have plenty of room to work, ever tried that on an lt1 in the 4th gen f-body? its hard as hell to get to it
where is his famous, " HEY GUYS Chris fix here..."
2021 HHHEEEEYYYYYY!!!!! GUUUUYYYYYSSSSS !!!!!! CHRIs fIx HEre!!!!!!!!!!!!!!!!!!!!!!!!!!
I got a pressure problem replaced the filter pump and it still runs like crap but my regulator is not leaking think it could be that?
Sounds like that's it!
Who is here in 2022
CHRISFIX ❤ LETS GOOOOOO
He had the perfect speaking skill 9 years before also
I love how chris still likes comments and reacts to comments while tis vid is 8 years old
Thanks for the guide. I used it to fix my long and rough start issue and to fix my hesitation issue. My vette still has hesitation when going through the gears, but it cranks up like a champ now. My next attempt to fix the hesitation is to change the fuel injectors, so if you got a guide on that it would be greatly appreciated.
I do not have a guide on that (yet). It is pretty easy, just unbolt the fuel rail, pull the injectors out, and replace each one.
This was 11yrs….can I make a request for an update?!? Now that you create much higher quality videos?!? 🙏🏻🙏🏻🙏🏻🙏🏻
Quetion: in which direction does the fuel enter the regulator and where does the excess come out.. and can i disconnect this black hose and check if fuel comes out.. when i think my fuel pump is not working ???
i want to know this as well
Ahmed H. Ramadan it goes in through the metal pipe and there is no excess fuel
Wow comparing your first ever fix vid to the vids you do now makes you feel really special to have a guy like Chris fix
Thanks for taking the time to do this. I have a 94 Caprice wagon with the LT1 engine, and the factory manual is useless for helping this changeout. I had a wee bit more difficulty was well because the shoulder bolt/nut holding it on was frozen solid, so I wound up cutting it off! Replaced it with a makeshift 1/4-20 bolt and 3 nuts to make up the support of the shoulder bolt. Works great, !!!
:( I’m sad Where is RHE WHY GUYS CHRISFIX HERE
If we dont have a fuel pressure gauge, can we just disconnect the fuel pump relay and try to start car to release the pressure?
Terrance Williams pull the pump out while the car is running an it will stall an shut off. Let it crank a a few times an no pressure.
Terrance Williams yes you could do that
i learned from your vlog that a vacuum leak leads to high fuel pressure, so if i check my spark plugs and they are clean, it means it doesnt run rich, which means fuel pressure not high which means no vacuum leak?
2012: mmmhhhkay we will be fixing a fuel pressure regulator
2020: HEY GUYS CHRISFIX HERE
What T wrench sizes are used to hold fuel lines and fuel pressure regulator????? Most from that era are upside down and have much harder access, and it's easy to see how hard they are to break lose. Once rounded out then views are going to have real problems. Always show tool sizes. Everyone knows the battery bolt size.
I don’t remember off the top of my head for the corvette but that’s why I started to include sizes in my later videos!
They really should be added to your video, as they're very important on hidden access on many vehicles. I haven't seen any mention in shop manuals. I'm pretty sure the fuel pressure regulator is a T30, but the fuel line bracket is only a guess. You see how hard they are attached in your video. Anyone with that corvette should be able to check the size, expecially since the bracket bolt is up on top.
@@ronkosanovich6450 for sure and the new videos have that info. This was one of my first videos over 8yrs ago…
bracket is T25 and FPR hold bolt is T30. Both can be very stubborn to removed.
Love your vids mate but just a super hint: get a go Pro and belt it to your head, or forehead while recording.
I'm a long time viewer and it is hard to watch sometimes when you struggle to do something with one hand.
WOW THAT BATTERY IS SO CLOSE TO THAT FENDER I WOULD PLACE A THICK CLOTH OF SOME KIND OVER THAT FENDER TO AVOID METAL TO METAL CONTACT as HE SAID JUST IN CASE THAT RATCHET SLIPPED. GREAT JOB EXPLAINING EVERYTHING CHRIS I LOVE ALL YOUR VIDEOS.
Thanks a lot!
This comment is just to see if chrisfix will like a comment on a 9 year old video lol (if you do see this, thanks for all your great videos!)
Where my 2020 guys at?
this video makes me realize how much chris grew over the years. he’s improved a lot. and i say that because i didnt understand shit in this video 🤣
I have a Jeep that is hard to start when cold but starts after its been started and warm! And to by pass it having a hard time starting i have to switch the key back and forth about 6 times than it'll start right Away
how do you check a fuel pressure regulator thats located with the fuel pump? buick lacrosse 2008
Anyone in 2021?
Great video. Only vid that showed the clamp on both fuel lines had to be removed to remove the regulator. But I think the vid could've been even better if you showed, not only verbally, the sequence of connecting all fuel line/nozzles together and buttoned up. But thank you for these great vids, regardless.
Thanks a lot!
@@chrisfix
Chrisfix, the two parts clamp are held tight by one 6 point star bolt. The problem I have is the star bolt is upside down against the engine. I have to disconnect the fuel lines to get the regulator out. Is there an alternative way.
Hi Chris, I have a 2001 Ford Taurus and it has the check engine light on. The fuel gauge does not work, it always shows "E" (Empty) and the fuel light is always on. OBD2 scanner and gave me a P0460 which is flex fuel sensor module. The part number is YF1Z-14A069-AA. I found a video which says that the flex fuel sensor is behind the radio. Do I need to disconnect the negative terminal of the battery to do any electrical work as this? Also do you know how this needs to be done? Thank you.
Steve Smith Yes, always disconnect the negative terminal when you work on electrical components to be safe (especially under the dash). I do not know the specific process for your Ford Taurus to replace the sensor (I never did it). You might consider getting a service manual which will walk you though it all.
Where did you buy the new fuel pressure regulator? I've been looking all over the internet and I can't seem to find anything but replacement diaphragms. Thanks!
Nate J. Check the link in the description for where you can get one!
This is what started everything and where a legend began
The first time, the world sees the famous driveway and it looks still the same. 😂
i saw that there has been a recall on the make and model of my car for the regulator but the tags are expired and you make it look soo easy on the video. the recall stated that the regulator was installed during manufacturing without a ring and clamp. where i see the regulator at there is most definately something leaking because it looks like dirty oil running down and also does this problem cause the car to shake violently while in reverse or drive and smell like gas?
I don't have a leak coming from my vent tube but I have alot of carbon build up on my new platinum plugs and my oil dip stick smells more like gas than fresh oil. My car starts fine, runs for 5 mins, then sputters and dies. After 15 mins it does the same thing. The symptoms I named earlier, would that be from a bad regulator?
I have a 2002 Yukon 5.3 with an intermittent hard start mostly when its cold it will take like 3-4 seconds longer of cranking for it to start. It idles and runs perfectly just every so often it takes a little longer to start. It has a newer fuel pump around a year old or so. I did notice that I am getting a strange noise from the FPR similar to this video: ua-cam.com/video/R1bgiJVoNOc/v-deo.html I Also pulled the vacuum line to see if it was leaking but did not see any fuel coming out of it. I am tempted to buy a new FPR but don't want to spend 50 if it isn't the issue. Anyone have any similar experiences or advice?
Thanks