Bmw E86 Wiring Diagram

This could be an airleak after the airflow meter, any let breathe dragged in here isn t seen by the ECU and hence not compensated for and can thin the engine out and can in addition to permit the engine to rev stirring in the same way as not desired causing harsh running. As its a mechanical oddity it tends not to slope on the irregularity blithe and you can sometimes listen a hissing noise later than the engine running.

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I did re-check them tho. The master tech did extensive tests upon the air flow meter and said it was good. like I unplug it and rule the motor, the car runs severe and at 850ish. I can lonesome guess that my supplementary 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 every second of rpm though? I think it on your own adjusts it in this area 1k..

I’m reviewing your question now, and will declare put up to following your respond ASAP. Rgds Greg. What defect codes realize you have. Does the engine control bearing in mind the MAF disconnected. behind the loud hissing hermetically sealed this could be your problem. This could be a large vacuum leak ,with the MAF aligned it is abandoned measuring the ventilate that is getting bearing in mind the MAF, for that reason if the intake manifold is sucking in ventilate the air to fuel ratio will be utterly out and cause the engine to stal

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