Recent content by Roam8

To much unburnt oxygen passing the Bank's O2 Sensor will have the PCM enriching the mix on all cylinders... doesnt matter if the source of O2 is a single cylinder or all 3... I can't say either way because we didn't replace them one at a time... Our lead shotgunned 3 new injectors on a whim...

Ok... The shop I work at swapped all the parts listed above AND the ECU and ALL Catalytic Converters... Diagnostic steps include all of the above PLUS Smoke Testing the entire system from the throttle body and the tail pipe and Live Data (all PID's reporting) from our dealer level scan tool...