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Thread: Rich Idle tuning

  1. #1
    Mitsu booster
    Join Date
    Feb 2009
    Location
    PA
    Posts
    15

    Rich Idle tuning

    Hey All,

    I took a Turbonator GLHS Stage 2 tune and made some adjustments for my ride. So far I am getting things dialed in but I am having an issue with warm idle. Let me give you some details on my setup:

    1985 Omni GLH converted to GLHS T2
    Ported E1 head
    +20 injectors
    88 Roller Cam

    I have the tune scaled for 42lbs injectors, but I made some adjustments for WOT to get me in the 11.5 range (was too rich before). When I start the car cold (cold now is 75 degrees), it appears to be fine. Wideband shows AFR in an acceptable range 14.0's. Once I start driving the car, my idle AFR goes to 12.0-12.5. At cruise the AFR is perfect 14.5-14.7. If I put the car in neutral and coast, my AFR will be in the 12.0-12.5 range. If I stop at a red light, it is the same 12.0-12.5 range. What tuning parameter should I change to change this behavior?

  2. #2
    Mitsu booster
    Join Date
    Feb 2009
    Location
    PA
    Posts
    15

    Re: Rich Idle tuning

    I was able to figure this out. I had a leaky Baro solenoid.

  3. #3
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
    Join Date
    Dec 2005
    Location
    Tuscola, IL
    Posts
    20,955

    Re: Rich Idle tuning

    Thatís great. A nice simple fix.

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