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  1. B

    lly no start

    all fuzes good , ficm is in ecm , can cam and crank colliation cause it not to pulse injectors without coding for it there are no fault codes and I replaced ecm, commanded fuel rate is about 45 also showing a reference for injection timing but not showing any references for inj pulsewith
  2. B

    lly no start

    I'm working on an lly in a 2006 topkick unit cranks no start ive followed all troubleshooting through gm, I have everything it needs to start but its not fueling from injectors, I checked injectors and I'm not getting any signal to fire injectors, have cam and crank signal and correct fuel...
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