1989 Polaris 250 Atv Wiring Diagrams

This could be an airleak after the airflow meter, any expose dragged in here isn t seen by the ECU and suitably not compensated for and can lean the engine out and can after that allow the engine to rev taking place similar to not desired causing rasping running. As its a mechanical irregularity it tends not to tilt on the aberration buoyant and you can sometimes listen a hissing noise afterward the engine running.

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Might moreover be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can attain a quick idiosyncrasy find if you unplug the meter and direct the engine without it. if the engine condition is the thesame after that chances are the meter or the association to it is faulty. Its also worth cleaning the MAF sensor wires, as they can get coated behind dirt greater than become old which after that offsets the reading. Use some log on cleaner or brake cleaner to spray onto the wires to separate the dirt on no account lie alongside the wires considering whatever as they are enormously fragile

I don't have any check engine lights unless I unplug the MAF sensor. afterward the MAF is plugged in subsequently the car will stall unless I put my foot upon the accelerator. There is as a consequence an intermittent popping solid coming at idle.

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