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Thread: HELP! fuel injectors not spraying

  1. #1
    Tuner in Training
    Join Date
    Oct 2015
    Posts
    30

    HELP! fuel injectors not spraying

    2004 5.3. disabled vats. write calibration. tried starting and nothing cranks but doesn't run. I have 12 volts going to the injectors.

    removed fuel rails lifted them enough so I could see the tips. cranked the engine none of the 8 injectors were spraying. removed the injectors and they are soaking in varsol?

    not sure if they are clogged or not.

    could it be the pcm?

    is it possible vats was not disabled entirely? I plugged in hptuners and read the computer again. and it shows vats "none"

    any help is greatly appreciated.

  2. #2
    Having same issue. Used 2 sets of injectors. Condition unknown. First set 1 would spray with rail lifted. Second set nine would spray. Used noid light have pulse. Will try n start with b12. Soaked first set and 5 of the 8 drip with power probe and filled with b12 from the can they soaked in. Guess I'm looking at finding another set.