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Thread: Bank 1 & 2 rich condition

  1. #1
    Tuner in Training LIMRIK's Avatar
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    Feb 2012
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    12

    Bank 1 & 2 rich condition

    Did an injector swap checked all parameters 3 times
    getting dtc-codes bank 1 & 2 rich condition
    hat am I looking to rectify ?

  2. #2
    Tuner in Training
    Join Date
    Feb 2010
    Posts
    34
    Just a guess, but when my bank 1 was running very rich, I did the same swapped injectors. Same issue. Ended up being a bad fuel pressure regulator. Was pushing fuel through the vacuum line. Replacing the regulator corrected my problem. (Mine is a 5.3)
    1969 Fj40, Chevy 5.3, NV4500, HPTuned (almost)
    http://toysandbox.com

  3. #3
    Senior Tuner DSteck's Avatar
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    Mar 2008
    Location
    St. Louis, MO
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    4,856
    Those injectors suck.

    DSX Tuning - Authorized HP Tuners Dealer
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