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Thread: LTFT & STFT Problems

  1. #1
    Potential Tuner
    Join Date
    Oct 2006
    Posts
    7

    LTFT & STFT Problems

    I'm having problems with LTFT & STFT. The problemis is the LTFT B1 is reading 25 & LTBT B2 is reading -13 plus. One bank is to rich and the other is to lean. The STFT B1&B2 goes as high 40 but last scan they are at 00. I never had this problem with my heads and cam LS1.
    I installed an LQ4 engine with all the forge parts, 42lbs injectors, cam 236-240 timing 113. All my LS1 accessories ( throttle body, intake, etc.) but I can't tune my car for performance because of the rich/lean conditions that I'm having. Please help!

  2. #2
    Potential Tuner
    Join Date
    Dec 2013
    Location
    CT
    Posts
    1
    I am having a similar problem and after some reading I am going to change out my intake gaskets. My O2 look to be good but they will be next on the list if this dose not help.