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  1. L

    Replace LBZ with LLY

    Once ether is gone motor quit. I know we have fueling issues. The injectors are not firing, trying to figure out why.
  2. L

    Replace LBZ with LLY

    we do have good rail pressure right at 2100 psi, have fuel showing up in the return line, so assuming fuel is at the injectors, scan tool is also showing that the injectors are not firing.
  3. L

    Replace LBZ with LLY

    engine I swapped the lly in because we had one on hand from a totaled truck, no engine compartment damage. In hind site made a mistake doing this, could have sold lly and just found a lbz, (maybe where I am still headed). The injectors not firing was based on holding it in your hand, told this...
  4. L

    Replace LBZ with LLY

    Answers Cannot turn off the VATS with stock program. We have had it relearn the VATS twice now with no luck and yes we do have cranking RPM's being registered on the scan tool.
  5. L

    Replace LBZ with LLY

    I did misstate the reluctor wheel, it is the crank one that was replaced with the 58 tooth off of the lbz. And no codes are showing up at all. They are the original injectors but do not know about original location. We also tried to get a new injector to fire/vibrate out of the head with no luck.
  6. L

    Replace LBZ with LLY

    We have replaced a LBZ that had issue with a low mileage LLY that we had on hand. Left all LBZ electronics in place, installed the 06 crank and cam sensors, change the cam reluctor wheel and front covers. Have good fuel rail pressures but the computer will not fire the injectors ( they are the...
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