Bmw X3 Stereo Wiring

This could be an airleak after the airflow meter, any expose dragged in here isn t seen by the ECU and consequently not compensated for and can lean the engine out and can as a consequence permit the engine to rev going on bearing in mind not desired causing coarse running. As its a mechanical fault it tends not to incline on the idiosyncrasy roomy and you can sometimes hear a hissing noise past the engine running.

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Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me tell you a little more not quite the problem history. It currently has a master tech recognized idle freshen govern valve and tps installed. without heartwarming anything, the last (used) ecu and my original, would manage in the car without this symptom.

I'm reviewing your question now, and will state urge on subsequent to your respond ASAP. Rgds Greg. What malfunction codes get you have. Does the engine control taking into account the MAF disconnected. in the manner of the loud hissing strong this could be your problem. This could be a large vacuum leak ,with the MAF amalgamated it is forlorn measuring the air that is getting afterward the MAF, therefore if the intake manifold is sucking in freshen the expose to fuel ratio will be entirely out and cause the engine to stal

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