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Thread: Lean idle issue.

  1. #1
    Garrett booster
    Join Date
    Jul 2014
    Location
    Pittsburgh
    Posts
    81

    Lean idle issue.

    T2 omni, Goes way lean at idle with a slight misfire when it does it. Haven't drove the car to see if its lean at wot yet, just got the car finished and have no registration on it. I changed map sensor, and i changed the oxygen sensor today and it seem to get a little better. Sometimes it idles good at like 14.7 no misfire at all then it starts going way lean. If i rev the car up it goes back down the richer side and slowly works its way back up, and the vacuum drops a little aswell. Mods are ported head, exhaust manifold, intake manifold. 3in swing valve and exhaust. glhs stage 2 lm. new walbro 255. accufab afpr set at 55psi. I took a video have a look and tell me what u think. Oh yeh dont mind my squeaky alt belt lol

    https://www.youtube.com/watch?v=-5SV...ature=youtu.be

  2. #2
    Garrett booster
    Join Date
    Jan 2015
    Location
    Detroit, MI
    Posts
    151

    Re: Lean idle issue.

    Did you figure it out yet?


    Sent from my iPhone using Tapatalk

  3. #3
    Super Moderator Turbo Mopar Staff contraption22's Avatar
    Join Date
    Dec 2005
    Location
    Havertown, PA
    Posts
    9,517

    Re: Lean idle issue.

    What's the fuel pressure at idle when it starts to go lean?
    Mike Marra
    1986 Plymouth Horizon GLMF "The Contraption" < entertaining sponsorship offers
    Project Log:
    http://www.turbo-mopar.com/forums/showthread.php?69708-The-Contraption-2013-14&highlight=

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