3/11/2023 0 Comments Subwoofer design toolbox![]() ![]() I cleaned them all and made sure the connection was good. The fuel injector grounds are bolted to the #1 side of the intake manifold. #4 reads essentially battery voltage all the time while running or while key is in accessory position.įrom my understanding, the injectors are grounded and the ecu pulses the ground to inject to fuel. 1,2,3 all read very minor voltage while pulsing, and none at all while the key is just in accessory position. Put the multimeter on injector plugs (harness side, not the injector itself) and checked voltage. It was running rough similar to this before the head gasket, so I don't think it's related to that unless I hooked up something wrong.Īnyway, swapped coils, same thing. ![]() Got everything back together and fired it up and got misfire on cyl 4 code. ![]()
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