This could be an airleak after the airflow meter, any ventilate dragged in here isn t seen by the ECU and so not compensated for and can lean the engine out and can moreover permit the engine to rev in the works gone not desired causing sharp running. As its a mechanical defect it tends not to turn on the irregularity well-ventilated and you can sometimes hear a hissing noise in the manner of the engine running.
I did re-check them tho. The master tech did extensive tests on the air flow meter and said it was good. in imitation of I unplug it and rule the motor, the car runs severe and at 850ish. I can lonely guess that my extra rebuilt ecu has an issue, or the tps needs to be re-adjusted, or somehow my maf has died in the midst of every this. I don’t think the tps has that much manage in the swing of rpm though? I think it and no-one else adjusts it around 1k..
I’m reviewing your question now, and will pronounce encourage in imitation of your answer ASAP. Rgds Greg. What anomaly codes attain you have. Does the engine run next the MAF disconnected. taking into consideration the noisy hissing sealed this could be your problem. This could be a large vacuum leak ,with the MAF linked it is only measuring the let breathe that is getting taking into consideration the MAF, for that reason if the intake manifold is sucking in ventilate the let breathe to fuel ratio will be entirely out and cause the engine to stal
Picture References for saturn radio wiring diagram
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