1969 Chevy Truck Wiring Diagram

This could be an airleak after the airflow meter, any air dragged in here isn t seen by the ECU and thus not compensated for and can thin the engine out and can afterward permit the engine to rev in the works in imitation of not desired causing uncompromising running. As its a mechanical malformation it tends not to twist on the fault fresh and you can sometimes listen a hissing noise bearing in mind the engine running.

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Might after that be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can realize a fast oddity locate if you unplug the meter and rule the engine without it. if the engine condition is the similar then chances are the meter or the association to it is faulty. Its next worth cleaning the MAF sensor wires, as they can acquire coated subsequently dirt higher than epoch which after that offsets the reading. Use some get into cleaner or brake cleaner to spray onto the wires to surgically remove the dirt on no account touch the wires once anything as they are unquestionably fragile

I don't have any check engine lights unless I unplug the MAF sensor. with the MAF is plugged in after that the car will stall unless I put my foot upon the accelerator. There is with an intermittent popping hermetic coming at idle.

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