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Bank Lean problem

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Old Mar 19, 2009 | 08:55 PM
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Bank Lean problem

Passenger side bank is running very lean (gets hot very fast).
At first i thought it was maybe an internal vacuum leak from the intake manifold. I did the finger over both the pcv hole and the breather on the other side... it had a bit of vacuum. so i figured that was probably it.... took it apart and replaced the gasket and what do you know, it didnt fix the problem and the vacuum is still the same. before i had did all that work i tried a couple things to see if they helped and heres a few...I pinched the return line to see if maybe i wasnt getting enough fuel on that side somehow, didnt do anything. all injectors checked out just fine. starting voltage testing the injector wires.. this always confuses me. passenger side gets 12v on both wires with key on and ecm in as does the drivers side. with the ecm out the passenger side gets 12v on each wire while the driver side gets 0v on either wire. ohming the passenger side i get 15ohms on one wire and 21ohms on the other. driver side i get nothing. the driver side plugs are golden and look great while the passenger side plugs show lean fauling.

at this point im at a loss of ideas... if someone could maybe refresh me on how to properly voltage and ohm test my injector wires that could help, and also any other ideas of why this passenger bank is running so lean.

Thanks
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