Heat Relay Wiring Diagram

This could be an airleak after the airflow meter, any ventilate dragged in here isn t seen by the ECU and thus not compensated for and can lean the engine out and can moreover permit the engine to rev stirring as soon as not desired causing harsh running. As its a mechanical irregularity it tends not to face upon the fault open and you can sometimes listen a hissing noise behind the engine running.

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I did re-check them tho. The master tech did extensive tests on the let breathe flow meter and said it was good. behind I unplug it and run the motor, the car runs rude and at 850ish. I can solitary guess that my supplementary rebuilt ecu has an issue, or the tps needs to be re-adjusted, or someway my maf has died in the midst of every this. I don't think the tps has that much manage in the alternating of rpm though? I think it unaided adjusts it with reference to 1k..

I'm reviewing your ask now, and will publicize incite with your answer ASAP. Rgds Greg. What irregularity codes do you have. Does the engine rule later the MAF disconnected. later the loud hissing strong this could be your problem. This could be a large vacuum leak ,with the MAF united it is deserted measuring the air that is getting once the MAF, hence if the intake manifold is sucking in let breathe the expose to fuel ratio will be very out and cause the engine to stal

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