How to Diagnose OBD II Fault Codes P0171 and P0174 Leaking Intake and EGR Valve (06 Ford Freestyle)

Поділитися
Вставка

КОМЕНТАРІ • 109

  • @thunderroad7289
    @thunderroad7289 Рік тому +1

    My po 171 code was caused by a dirty mass air flow sensor. Cleaned it and runs perfect no more issues

  • @abartosz
    @abartosz 6 років тому +3

    CVT is not a "Constant Velocity Transmission" as stated in the video. It's a "Continously Variable Transmission"

  • @DaBrute
    @DaBrute 10 років тому +3

    What you guys said about the other shop saying the trans was bad is exactly why I prefer to do my own research and auto work. Too many shops out don't have a clue what they're doing. Good vid guys.

    • @AutoEclinic
      @AutoEclinic  10 років тому

      That's one of our main purpose, diagnostics. You always want to justify the repair with data rather than just throwing darts.

    • @robertclark9235
      @robertclark9235 6 років тому

      DaBrut

  • @markw571
    @markw571 2 роки тому +1

    Excellent presentation. You gentleman are professional, knowledgeable, and courteous. Keep up the good work.

  • @therotaryrocket
    @therotaryrocket 10 років тому +3

    Constant Velocity Transmission???? Don't you mean Continuously Variable Transmission? Pretty good video though, thanks for sharing it. Definitely picked up some good tips and pointers on how to diagnose lean conditions. I'm gonna have to get me one of those smoke generators one of these days. Thanks again!

    • @dnaxproductions2187
      @dnaxproductions2187 10 років тому +1

      LMAO. Maybe they meant constant velocity.. joint or center for victims of torture? :)

  • @AutoEclinic
    @AutoEclinic  11 років тому

    You are right. you can use brake or carb clean while watching fuel trims. If you have a vacuum leak fuel trims should lower when you are at the vacuum leak. Thanks Michael and Aaron

  • @AutoEclinic
    @AutoEclinic  11 років тому

    you have to use a scan tool to watch the vehicle data to see fuel trim. Fuel trim is a calculated value from the PCM, not raw data you can use an oscope to see. Thanks Michael and Aaron

  • @dirkdaddy2
    @dirkdaddy2 11 років тому

    Love it. subscribed. most shops around here don't take time to diagnose anything just swap parts.

  • @AutoEclinic
    @AutoEclinic  11 років тому

    Thank you for the great feedback. Michael and Aaron.

  • @Jose87694
    @Jose87694 7 років тому

    Thank you both for the info. My Mustang has P0401, P0171, and P0174 and I am going to check it out tomorrow to see what happens...

  • @miguelguzman9178
    @miguelguzman9178 3 роки тому +1

    Thanks I don't have that can that expensive equipment but it gives ideas to solve a problem, very helpful video guys

  • @mp4338
    @mp4338 Рік тому +1

    Where did you put smoke in the engine? In intake manifold? You used an adapter to acomodate the intake manifold diameter to the smoke machine output? I didn't see very well the action. The presentation is too quickly.

  • @user-ju3od5gy5q
    @user-ju3od5gy5q 5 років тому

    Excellent video guys! Clear and concise.

  • @AutoEclinic
    @AutoEclinic  11 років тому

    I do not like pc based scopes. What we use is a snap on scope. Now they are pricey, but they work and work well. Fluke makes a 2 Chanel scope for around $1000 i believe, and there are a couple of other brands that make affordable scopes. I have had no luck with pc based lab scopes. Good luck and thanks for the question. Michael

  • @obsessedwithcars219
    @obsessedwithcars219 2 роки тому +1

    excellent video. thank you

  • @Quantalume
    @Quantalume 11 років тому

    Fantastic video! I appreciated the in-depth discussion of fuel trim. For those of us who don't have access to a smoke machine, what do you think about watching the fuel trim while spraying carb or brake cleaner around the intake?

  • @swilson7674
    @swilson7674 10 років тому +1

    Disregard my last message. I just read about your loss. MY deepest sympathies

  • @thomassinclair1836
    @thomassinclair1836 6 років тому

    Spray brake clean on and around vacuum lines also get some on the plug wires , if fire occurs change plug wires :-)

  • @rafaelchuqui6553
    @rafaelchuqui6553 7 років тому

    Hi, good thing you are doung P0171.....good job by the way..
    Question? i got a 2006 toyota corola, and just came the check engine last week, so what you thing i can do first? to resolve the problem, i know is a leaking right...
    but i coudn't see it where did you put the hose to check the smoke?
    thank you!

  • @rcjrpilot
    @rcjrpilot 6 років тому

    Hi guys awesome video my question is can I still drive a four hour trip with engine light on on codes 171 and 174

  • @angelique2071
    @angelique2071 9 років тому +2

    Yeah i have a problem with my 94 yukon i think my oil pressure sender is going bad because when i start my truck its in the middle and then when I'm driving it doesn't stay in the middle only when i accelerate it goes to the middle at 40 pci .Please can you help me with this problem. ?

  • @crystrezerex2life
    @crystrezerex2life Рік тому +1

    I have 11.7 % on both my banks short term and long term fuel trims, at idle.!!! No vacuum leaks, it's been smoke tested, could it be a bad fuel pump?

  • @samg5543
    @samg5543 9 років тому +3

    CVT = Continuously Variable Transmission. Almost the complete opposite of Constant Velocity.

  • @robertkoch5011
    @robertkoch5011 9 років тому +1

    This is a great video. Thanks guys. I love the accents too!!!

  • @dirkdaddy2
    @dirkdaddy2 11 років тому

    I want to get a semi-pro or pro scope like that as I am thinking of opening a shop soon. I have been restoring cars and working on side, but this sort of advanced work is right up my alley as a pretty tech savvy guy. What sort would run on a PC or dedicated device? I have used Torque app and scanners.

  • @byranguy4638
    @byranguy4638 8 років тому

    great video i was wondering if smoke should come out through the egr valve when smoking with the machine cause having trouble finding the problem of the lean codes on my explorer

  • @jimreeves57
    @jimreeves57 10 років тому +1

    love these guys!!!!!!!!

  • @3865roofer
    @3865roofer 10 років тому

    Sorry to hear that

  • @bgregg55
    @bgregg55 11 років тому

    this is excellent! glad to have found u.

  • @JoshDrumm
    @JoshDrumm 10 років тому +1

    Thank you for the video! I have a 171 and a 174 error code. Apparently the engine is running too lean. Ford told me it was the mass air flow sensor as well as the throttle body. They want $900 to fix it. So I went down to NAPA Auto Parts, picked up a mass air flow sensor for $75 and fix that in a matter of minutes. My check engine light is still on, just wondering if you have any further advice for me. Ford said there was no air leaks and that the codes they got were to repair the mass airflow sensor and throttle body. But when I look up symptoms of people who need to replace their throttle body they are things like hey bad idle whether it be too high or too low lack of power and so forth. I have none of that. My vehicle runs practically perfect other than a check engine light. I have a 2007 Ford Expedition, any advice would be had. Thank you very much.

    • @AutoEclinic
      @AutoEclinic  10 років тому

      Thank you for your comment. Sounds like the fuel trims need to be checked to get a better idea of whats actually happening. I'm sorry I cant give you more advice, unfortunately Micheal past away a few weeks ago and the diagnostics was his specialty. Keep me posted on your findings though. Aaron

    • @JoshDrumm
      @JoshDrumm 10 років тому +1

      Sorry for your loss....

    • @navarrodragon25
      @navarrodragon25 10 років тому +1

      AutoEclinic
      whoah...we get good guys in there who seem to know what they are doing and communicate well and in the blink of an eye they are gone...I too am sorry for your loss

    • @masonjarhillbilly
      @masonjarhillbilly 2 роки тому

      Too late to help with your problem. Build a smoke machine for about $30. Check for vacuum leaks. Throttle Body bushing leaks can be detected with smoke. Low fuel pressures can cause these codes. But KISS. My money is on a vacuum leak.

  • @JasonSmith-qx3zh
    @JasonSmith-qx3zh 4 роки тому

    On a simple scanner I still would be looking on live data around zero(+or-,5) on a expedition 5.4 right!

  • @swilson7674
    @swilson7674 10 років тому

    It would be a real help to do some vids on a Lincoln LS 3.9

  • @vasanthaedirisinghe8424
    @vasanthaedirisinghe8424 10 років тому +1

    Thanks for the info

  • @daniellemclimore3821
    @daniellemclimore3821 11 років тому

    first off, very helpful!! but I have an issue with a 5.4 f150 with high calculated load at idle.. where do I start its not the first f150 with theseprobs at my shop but I want to figure this out please help

  • @electronic7979
    @electronic7979 6 років тому

    Useful video

  • @majesticreefs
    @majesticreefs 10 років тому

    My 04 Mercury Monterey 4.2L also have these two codes, the FTST si 7.031 on bank 1 and 12.5 on bank 2, but FTLT for both bank 1 and bank 2 are 25% even after I ram the RPM to 2500 it stay at 25%, the problem must be worst then I thought.

  • @kainthompson5940
    @kainthompson5940 8 років тому

    just had my head gasket changed and shortly after engine light came on, so I took it back and now it's throwing both of those codes, I would like to hope it's not the head gasket since they just replaced that and put in a used air intake. so not sure where I should go from here.

  • @NewLevelAuto
    @NewLevelAuto 10 років тому

    I usually don't comment on such videos , but I would hate to see anyone misled . The EGR would not have caused a lack of power. The fuel trims on the test drive from what I can make out from the camera phone video, would be too low under acceleration. That would lead to a mass air flow sensor type of diagnosis. All EGR and throttle shafts will show a small leak under a smoke machine. Perhaps a follow up video with a customer verifying the repair would be in order.

    • @therotaryrocket
      @therotaryrocket 10 років тому

      If it had a bad EGR valve that caused a vacuum leak therefore making the CEL pop up as well as putting the car in a limp/safe run mode....then I'm pretty sure it would have less power. Also, gotta kinda call BS on you saying all EGR and throttle shafts would show a small leak under a smoke machine....unless by small leak you mean microscopic and negligible....which is not what we saw here.

    • @Ermal193
      @Ermal193 7 років тому

      I have to agree with Keith on this one, I see smoke all the time from EGR pintle shafts when I smoke the intake.

  • @brendacowgill6435
    @brendacowgill6435 8 років тому +1

    1 have a 2003 ford taurus when starting runs up high about aminute or so goes down runes good then takes forever to go down engine came on thay think its runnig lean on bank 2 help

  • @AutoEclinic
    @AutoEclinic  11 років тому

    Thanks! Don't forget to check out our website!

  • @jsn1080
    @jsn1080 11 років тому

    Very well done. Thanks.

  • @rfn944
    @rfn944 11 років тому

    Hi, Where do you probe to see the fuel trim? I have a dual channel tektronic
    100 mhz O-Scope. Getting P0171 on a 4 cyl 1.8T VW passat.

  • @TRAVIS-L
    @TRAVIS-L 6 років тому +1

    can a egr pressure feedback sensor cause code p0171 and p0174

    • @edcain3676
      @edcain3676 5 років тому

      More Likely than Not, If Ur Lucky ,Just Need A O2 Sensor Repl.

  • @ronalddecrumpe6709
    @ronalddecrumpe6709 2 роки тому

    can you help me out , i have a 1999 ford crown vic and i has a p0174 code can you tell me how muck it should cost o fix so i don' get rip off and what should be the problem

  • @Warren1814
    @Warren1814 5 років тому

    Hello there, i have a 2000 Ford E150 van And it keeps showing a P0174 error code on it. I keep taking it to shop after shop and nobody seems to know what the problem is. What i have replaced on it myself are the following. MAS sensor, fuel filter, Air filter, 02 Sensors ALOT of times. Is there any idea what could be the problem with my van? It runs great and has been running great and no check engine light either until i came back from the auto shop i let them look at it because it was idling kinda rough when i would stop and a stop light only.

  • @ernesthin1975
    @ernesthin1975 7 років тому

    I found 2 hoses that were disconnected on the air breather hose to mass air flow sensor. someone must have forgotten to hook them back up after replacing the air filter...ugh!

  • @WietRoKer
    @WietRoKer 10 років тому +2

    will mass air flow sensor cleaner work?

    • @AutoEclinic
      @AutoEclinic  9 років тому

      WietRoKer Thanks for watching but due to Michael's passing we can not answer any questions.

  • @RefugioAstorga77
    @RefugioAstorga77 9 років тому

    regularmente esto ocaciona una valbula EGR defectuosa por la mala mescla aire 14.7 por una de combustible....

  • @glennauflick7122
    @glennauflick7122 7 років тому

    We have a 2005 Ford Mustang and the light came on I got some codes but I don't know what they mean just wondering if you could help me out here and tell me what they mean first code is p0316 second code po765 3rd code is po171 70 if you could tell me what they mean I would greatly appreciate it thank you gentlemen have a good day

  • @brianc1050
    @brianc1050 9 років тому +2

    great video! I have a 2002 vw jetta turbo, and took it to goodyear and they mention I need to replace a "Hose to Snorkel" what is that? they said i have to get it from the dealer. or were this part located at... the code coming up is P0171 Lean Bank 1

    • @AutoEclinic
      @AutoEclinic  9 років тому

      Thank Brian! They are probably talking the hose between the mass airflow to the throttle body. You could have air sneaking in past the mass airflow sensor and the computer does not compensate. Therefore it does not add extra fuel resulting in a lean air to fuel mixture.

  • @samvjr07
    @samvjr07 7 років тому

    thanks guys preciate the help I have the same issue on my BMW x5 with lean code on both Bank 1 and bank 2 and by the way nice I definitely don't have a lot of paper toilet so I'll definitely won't go to Taco Bell. my question is the following I don't know where to start I replace so many things recording this I did a vacuum test leak and nothing I also did a fuel pressure and for some reason to pressure regulator keep going up and down rapidly I don't know what's that about

  • @tpmbe
    @tpmbe 9 років тому

    thank you excellent video

  • @TheRoguelement
    @TheRoguelement 5 років тому

    Hey fella's while the graphs are all really cool and technical looking the many different ways explaining Lean are really NOT necessary Yes OK We get it you found the leak very cool .. all that other shit is information they DO NOT WANT OR NEED ... But it sure make's you two guy's look like a couple of Rocket scientists . ....

  • @Luckyhearts
    @Luckyhearts 11 років тому

    if I have a p0171 code and not a p0174 code, does it narrow down where my vacuum leak might be?

  • @dtlastraightahead2133
    @dtlastraightahead2133 4 роки тому

    smoke coming from IAC idle air control valve is that normal?

  • @user-wt4xl9oz5p
    @user-wt4xl9oz5p 5 років тому

    I have durango 09... And I have error code p0714... What part need change??

  • @edwarcusi9096
    @edwarcusi9096 10 років тому

    hi I would like if you can do a review of OBDII Bluetooth/wireless scanner sold on eBay that seems cheap and useful compare to those that are expensive on the market. this is a good video and handy for those newbie technicians

    • @AutoEclinic
      @AutoEclinic  10 років тому +1

      Thank you for your question but due to the passing of Michael we do not answer questions anymore. We thank you for watching but apologize for the inconvenience.

  • @paulmudzingwa8611
    @paulmudzingwa8611 6 років тому

    hi, can you pliz help i have my c230 v6 2007 and it runs so smooth but it is showing the check engine light and i checked it and it gave me this code. i cleared the error but it comes out after a 5 to 10 kilometers of drive
    Self-adaptation of mixture formation for enrichment at partial load for the left cylinder
    bank is above the permissible limit. (P0174)
    Self-adaptation of mixture formation for enrichment at partial load for the right cylinder
    bank is above the permissible limit. (P0171

  • @greaontej2
    @greaontej2 11 років тому

    got a 98 chevy tahoe with this problem cant seem to figure it though help please

  • @SilentServiceCode
    @SilentServiceCode 9 років тому

    Wait is it a freestar or a freestyle

  • @lenyolivera1900
    @lenyolivera1900 10 років тому

    Hey guys I got a Toyota Tacoma and I got the po171 can you please post a video on that model , thank you

    • @AutoEclinic
      @AutoEclinic  10 років тому

      Thank you for your question but due to the passing of Michael we do not answer questions anymore. We thank you for watching but apologize for the inconvenience.

  • @bigboycervantes5240
    @bigboycervantes5240 5 років тому

    Ok sr how can i check on 06 ford fusion . I have code p0171

  • @TheRbeckelhimer
    @TheRbeckelhimer 8 років тому

    I have a 2006 Ford Taurus, 6 cylinder car, my engine light, (idiot light), I went and had it tested about 2 weeks ago at Advance Auto, they said at that time I needed a tune up that my car was misfiring, I had already done an oil change a few days earlier, so I bought an air filter, and spark plugs, and wires and my son n law put those in. Fast forward to today, (yesterday, Monday, I was in the Publix parking lot and my car started acting funny, sputtering, so I drove around the corner to Kauffman tire, and hour later they looked at my car and said that 1 of the spark plugs had popped out and 2 were loose, they fixed it, but said they couldn't look at the other 3 under the pelium, that it may be fine now but without taking if off they are not sure,) so now I don't know if I need to worry about the other 3 spark plugs or not? I am freaking out, I am disabled and I need a safe car, anyway, today I went back to advanced because the Engine Light is still on in my car, TODAY it read codes P0171 and P0174, I just watched your video on these codes so I see it could be lots of things, I don't know what to do, I don't want to get ripped off at a car place; so I need your help please! Is this something I need to worry about, if I am planning to take a trip to Texas in my car soon, and what about my tune up issue

  • @salvadorreyes9192
    @salvadorreyes9192 9 років тому +1

    gracias buen video lo pueden hacer en español, un abrazo

    • @AutoEclinic
      @AutoEclinic  9 років тому

      salvador reyes Gracias por su atención!

  • @yoppy1984
    @yoppy1984 7 років тому

    HI I have a question i have a Acura TL Type s 2007 and the check engine light came on and i checked it and it gave me a code Po174 can you help me to see what it is

    • @tallboss4906
      @tallboss4906 4 роки тому

      What was the issue(s) with your Acura. I recently got the exact code on my Acura Mdx

  • @martinaldarondo1328
    @martinaldarondo1328 8 років тому

    como puedo conseguir el camshatf de kia rio. y como se instala si alguien sabe?

  • @MrGourman87
    @MrGourman87 11 років тому

    hey would having both of these lean codes affect my had mileage? & also is there a single, more common issue that results in both codes showing up?

  • @TheLeek94
    @TheLeek94 9 років тому

    i have a 2001 lincoln ls v6 133k and im having problems Symptoms
    •Car will only rev up when warm (200°+)
    •po174, po171
    •horn not working
    •cut off at when idling to long
    •catalytic converter glows red
    • check engine light won't come on
    ♢ what I done so far
    * clean fuel injectors and test them
    *Replace ignition coils
    *Replace tps, all 3 pcv and egr sensor
    *Cleaned maf and IAC
    *Change spark plugs
    *removed exhaust system no change in engine performance
    * spread around engine for vacuum leaks with Carbon cleaner no change in engine

    • @Hacunamattata
      @Hacunamattata 7 років тому

      Lp Liverpool did u get it fix ? what was wrong?

    • @TheLeek94
      @TheLeek94 7 років тому

      Raidel Pichardo sorry but no

    • @simon6570
      @simon6570 7 років тому +1

      Lp Liverpool ....I have the same engine as yours....mine is a jag xj8....high chances you have a bad (clogged catalytic converter ). Try a muffler shop n chop it off or have them unclog it; if ur rich enough buy another one....let me know

  • @3865roofer
    @3865roofer 10 років тому

    how much does the smoke test cost

    • @AutoEclinic
      @AutoEclinic  10 років тому

      Thank you for your question but due to the passing of Michael we do not answer questions anymore. We thank you for watching but apologize for the inconvenience.

  • @ulisesmejia9483
    @ulisesmejia9483 10 років тому

    Esta bien los vídeos

  • @GAboy3030
    @GAboy3030 10 років тому

    What is ISO 9141?

    • @AutoFixElec
      @AutoFixElec 9 років тому

      GAboy3030
      ISO 9141 is protocol of PCM (Pin 7 of jack DLC)

  • @brendacowgill6435
    @brendacowgill6435 8 років тому

    tested on po 174

  • @ZERO-CAPACITANCE
    @ZERO-CAPACITANCE 7 років тому

    GET 'ER DONE!!!!

  • @rcraig005
    @rcraig005 10 років тому

    So the EGR Valve was Leaking when you did the Smoke Test but the Intake Gasket was NOT leaking when you did the Smoke Test....So you did Intake Gaskets why?!?! Oh wait....more money!?!? Maybe you should have just put the Transmission in it!!! (Sarcasm)

    • @navarrodragon25
      @navarrodragon25 10 років тому +1

      not sure on the sarcasm but maybe you missed how they plugged the hoses to the egr after pulling it out one it was prooved to be leaking and then restested and smoke ALSO came from the intake...they were checking all possible causes.Just like if you only change brake pads while still having bad calipers you havent really fixed the whole problem but only a symtom

  • @rcjrpilot
    @rcjrpilot 6 років тому

    Oh by the way I drive a trailblazer LT 2008 with 135000 miles

  • @kabiruabiodun7037
    @kabiruabiodun7037 8 років тому

    I half problem on my car, lr3 2005

  • @AutoEclinic
    @AutoEclinic  11 років тому

    I need a little more information please. What are your fuel trims, mass air flow and map readings. Email me at info@autoeclinic . com or michael@norrisautoclinic . com Thanks. Michael and Aaron.

  • @jasontoscano2590
    @jasontoscano2590 8 років тому

    THEY CALL ME GOTZ I RAP .

  • @valdimicolchik7975
    @valdimicolchik7975 5 років тому +1

    Hmm, two dudes at 6:20 trying to explaining what it is CVT transmission. You guys look like speaking only American English even that You do not know what CVT standing for 🐒 !
    CVT it is 👉 Continuously Variable Transmission 😵 🙊!!!
    I'm speaking 6 languages and do You want me to teach You how to express Yourself properly in English ?
    Hmm, Russians now have to teach Americans how to speak in English 😂 !
    First Homework for You guys !
    What stand CV Axle ! (Amin CV ?)

  • @AutoEclinic
    @AutoEclinic  11 років тому

    Thank you for the great feedback. Michael and Aaron.