▶️Engine Running Lean (11 Reasons Why)🔥

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  • Опубліковано 26 гру 2024
  • ▶️Engine Running Lean (11 Reasons Why)🔥 When a engine is running lean, it can be very difficult to track down the problem. That's why I put together 11 reasons why your engine may be running lean. Follow the steps in this engine running lean guide to troubleshoot your issues.
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    #EngineRunningLean #11ReasonsWhy

КОМЕНТАРІ • 62

  • @Nthefastlane
    @Nthefastlane  5 років тому +1

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  • @refugiorod
    @refugiorod 4 роки тому +7

    Excellent advice. Checking my exhaust, never thought about it but yes, exhaust leak would cause the o2 to think it's running lean.

  • @MDEV-86x86
    @MDEV-86x86 Місяць тому +1

    Excellent video !. Thank you.

  • @jsims2985
    @jsims2985 Рік тому

    I LOVE the scripture references... It feeds my brain and my soul.
    I've been blessed to work for two shops that the love Lord and love knowledge. Thanks for all you do!

  • @leeshepherd9802
    @leeshepherd9802 4 місяці тому

    One of the best auto videos I've seen..Concise, factual very good Ty..

  • @Mazza666
    @Mazza666 Рік тому

    4:30 crc contact cleaner is perfectly fine, maf cleaner is the same stuff with a more expensive price tag

  • @carlosk8103
    @carlosk8103 3 роки тому +2

    Old cars are a pain in the butt sometimes.. I replaced 2 vaccum hose that were torn got rid of 2 out of 3 chk engine codes but still running lean.... ...

  • @Nthefastlane
    @Nthefastlane  5 років тому +1

    🎄MERRY CHRISTMAS GUYS!🎄

  • @henrietn
    @henrietn 5 років тому +2

    Nice write up man!

    • @Nthefastlane
      @Nthefastlane  5 років тому

      Thank you Hendrik. Merry Christmas!

  • @WV591
    @WV591 2 роки тому

    over 3 months of troubleshooting P0171 on sentry 2005 and still no luck. Replaced MAF, Wideband sensor, checked for leaks and engine vacuum.

  • @joetoe9947
    @joetoe9947 3 роки тому +4

    ... it ain’t easy- finding a good trustWORTHY mech... so how much might it cost to have each of these “11” test- ‘n- checked and then possibly r & r’d... “generally speaking”?... oh- and thanks👍🏻 for this GREAT vid!...

  • @nicholassantos2327
    @nicholassantos2327 Рік тому

    Thanks man! I think I have an exhaust leak that’s causing my “lean condition” I think my fuel injectors are dirty too lol

  • @scorpeenox2697
    @scorpeenox2697 4 роки тому +1

    Great short video, with lots of info. 👍🏾

  • @EverH0p3
    @EverH0p3 2 роки тому

    Thank you, much appreciated.

  • @msc807
    @msc807 5 місяців тому

    I noticed that my car fuel smell and exhaust pop decreased after installing a cold air intake. And it feels slow on the low end rpms

  • @sonny8276
    @sonny8276 3 роки тому

    It was very good,I learned alot.thank u.

  • @RogueBystander
    @RogueBystander 2 роки тому +1

    wow thank you so much!

    • @Nthefastlane
      @Nthefastlane  2 роки тому

      Anytime Rogue!

    • @RogueBystander
      @RogueBystander 2 роки тому

      @@Nthefastlane 99 EJ8, I have changed:
      IACV valve, PCV, got injector cleaning machine and built a diy stand cleaned/changed, fuel filter, fuel pump, spark plugs and wires, Cap and rotor, both O2, knock sensor, temp sensor, got a smoke machine for vacuum test I am looking at a new crank sensor as I type. No forum ever - exhaust leak. . . I even know where exactly.. car is low and road to garage is bumpy... Thank you, cant wait to deal with it, made my month lol, Subbed!

  • @martinlefebvre5005
    @martinlefebvre5005 5 років тому +1

    Happy Christmas and nice video by the way guyz

    • @Nthefastlane
      @Nthefastlane  5 років тому

      Thank you Martin. "Merry Christmas" to you as well! May the New year bring you and your family great joy!

  • @blashyrkhification
    @blashyrkhification 5 років тому +4

    By any chance you know why the oxygen sensor keep burning?
    My truck keep burning them and it won't pass smog

    • @Nthefastlane
      @Nthefastlane  5 років тому

      What brand O2 sensor are you using? Also is this an aftermarket exhaust with a relocation of the oxygen sensor bung? What color is the O2 sensor when you pull it out?

    • @blashyrkhification
      @blashyrkhification 5 років тому

      @@Nthefastlane I took the truck to the shop and they spent one month and they didn't fix it, that's What they said it just keep burning the sensor

    • @blashyrkhification
      @blashyrkhification 5 років тому

      My truck is a dodge ram 2001, 5.9
      Every thing is original

    • @Nthefastlane
      @Nthefastlane  5 років тому +1

      What codes are you getting?

    • @superfuntime3107
      @superfuntime3107 5 років тому

      A leak in the system.
      Replace all exhaust manifold gaskets or header gaskets with high quality new ones.
      Replace collector gaskets where the exhaust is connected to the manifold or header.
      Make sure to use the right size fasteners with washers and lock washers if possible.
      Tighten everything up !
      Make sure all welds are air tight. Like around the 02 sensor bung.
      Look around welds for signs of exhaust blowing through porous welds.

  • @traviesobss
    @traviesobss Рік тому

    Have a 2015 mustang GT, after, 34k miles, I travel for work and my car sits a lot, didn’t do a good job treating car for long periods of no use. Now have misfire codes, changed plugs, light still came back on, dealer can’t pinpoint because light turned off. Found that catalytic converter is running hotter than normal, both cats are being replaced, hope problem gets solved 😓

  • @blashyrkhification
    @blashyrkhification 5 років тому +3

    Good video

  • @goblin_2310
    @goblin_2310 4 роки тому

    Thanks man helpful tips

  • @enriquerodriguez3090
    @enriquerodriguez3090 4 роки тому

    Very helpful. Good video

  • @wajeehulhassan2182
    @wajeehulhassan2182 3 роки тому

    i chked my car by scaner....maf reading was good short fuel trims was well within range going +3 to -3
    But long fuel trim varied but was in the positve range only....
    I changed my fuel pump yesterday also i have my injectors serviced.....is it ok or what should i do...
    Plz reply....

  • @olderrol1968
    @olderrol1968 3 роки тому

    Thank you 👍

  • @leonardogomez4741
    @leonardogomez4741 8 місяців тому +1

    Like this video and share it, so others "can fix the issue"

  • @officialpennsyjoe
    @officialpennsyjoe 3 роки тому

    I have a Mazda Miata 2010. I am unsure why my engine warning light turns on and off from time to time. The last time I got my car fixed was about a year ago, and the lean fuel issue went away for at least a month. Whenever I start the car up from a cold start, it idles at 2K RPM, and then slowly goes down to around 1K RPM in a few minutes. I am debating when I will take the car in to see which one of these issues is the primary suspect to be focused on and fixed. If I could, I would like to do all of them at once, since the major modification I have left on my car is a sports/race exhaust. I originally had an AEM air filter, but I reverted back to stock during the major repair. The main reason was for risks of sucking up water through the grill. Since the exhaust is not stock, I am concerned about that also being a possible problem, since the air filter has been reverted back to factory.

  • @gordonarnold7465
    @gordonarnold7465 3 роки тому

    Thanks 👍 👌 👊
    Broke it down from A to Z 👏👌🤝
    I appreciate your knowledge 👌 👏 👍

  • @amariodom4858
    @amariodom4858 4 роки тому +7

    cars are headaches sometimes

    • @balloney2175
      @balloney2175 3 роки тому

      If don't treat it like your wife/husband for sure it will be a headache.

    • @amariodom4858
      @amariodom4858 3 роки тому

      @@balloney2175 i found out why my car was running lean... water was getting into the gas tank

    • @balloney2175
      @balloney2175 3 роки тому

      @@amariodom4858 how is that happening, do you know?

    • @amariodom4858
      @amariodom4858 3 роки тому

      @@balloney2175 yeah, the fuel filler neck had a hole in it fixed that problem already

  • @foxtrot789
    @foxtrot789 3 роки тому

    Great video however every time you said 'will' I think you should have said 'could'. "A bad fuel pressure regulator will definitely cause a lean condition". Well, it COULD cause a lean condition, however, It COULD also cause a lot of other issues besides a lean condition.

  • @Meldium
    @Meldium 4 роки тому

    Replacing it all costs more than the car is worth in some cases. But i get the point.

  • @peyoyinski
    @peyoyinski 3 роки тому

    Well I guess I'll start with the pcv valve! I know it's the cheapest part to buy.

  • @tonyjohnson9964
    @tonyjohnson9964 4 роки тому

    How bad is it to keep driving my 05 chevy cobalt for now until i have someone look at it

    • @foxtrot789
      @foxtrot789 3 роки тому +2

      Not bad at all. The Chevy Cobalt was designed for morons to drive forever without ever changing the oil, checking tire pressure, or even checking your mirrors when driving. Congratulations, you bought a maintenance-free vehicle.

    • @LisaJefferson
      @LisaJefferson Рік тому

      Came here looking for an answer like that. What about a 2006 Chevy equinox? My engine is running lean. I have no idea why. Should I still drive it?

  • @Darkeiser.7
    @Darkeiser.7 2 роки тому

    Or if you forgot to tighten the intake manifold bolts down all the way...

  • @atb1040
    @atb1040 2 місяці тому +1

    Checked for Vacuum
    Swapped fuel pump/filter
    Swapped Injectors
    No fuel leak
    Fuel pressure is fine
    No exhaust leak
    No stuck PCV
    God help me

    • @Nthefastlane
      @Nthefastlane  2 місяці тому

      Check MAP/MAF, O2 Sensor and Timing.

  • @Winnie-sz4gj
    @Winnie-sz4gj 3 роки тому

    New subscriber from Zambia. P.s love the scriptures 💜

  • @LisaJefferson
    @LisaJefferson Рік тому

    Would a bad alternator cause it??

  • @Davis2920022001
    @Davis2920022001 Рік тому

    #12 E85 on stock tune & injectors 😂

  • @mohammeds8274
    @mohammeds8274 5 років тому

    You may add MAP and IAC to the list

  • @BillWitherspoon-e6v
    @BillWitherspoon-e6v 4 місяці тому

    I should have never got motorcycle my life is ruined

  • @gasisthepastendoil
    @gasisthepastendoil 4 місяці тому

    Buy a electric You don't have to worry about running

  • @montroelectric9840
    @montroelectric9840 3 роки тому +1

    JUST GET A EV