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Does the PCM control the right and left side injectors independantly or all them together???? I always figured the PCM sent the same values to all eight injectors. Looking at my scanner (new Actron 9190) it shows right and left values for the fuel trims.
If you have a true 94, you got sequential fuel injection, meaning, every injector is pulsed separately, one after the other.
Previous engines had bank injection, one bank at a time.
The fuel trim left and right got to do, with the O2 Sensors being monitored on each side. L98 engines had a single O2 sensor only.
Last edited by woodstock; Jul 19, 2007 at 09:32 AM.