3800 Supercharged Engine Swap Wiring Diagram

This could be an airleak after the airflow meter, any ventilate dragged in here isn t seen by the ECU and appropriately not compensated for and can lean the engine out and can also allow the engine to rev in the works afterward not desired causing rasping running. As its a mechanical oddity it tends not to slant on the fault blithe and you can sometimes listen a hissing noise bearing in mind the engine running.

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Might with be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can reach a quick defect find if you unplug the meter and run the engine without it. if the engine condition is the thesame subsequently chances are the meter or the relationship to it is faulty. Its as well as worth cleaning the MAF sensor wires, as they can acquire coated behind dirt on top of period which subsequently offsets the reading. Use some admission cleaner or brake cleaner to vaporizer onto the wires to remove the dirt upon no account touch the wires considering all as they are utterly fragile

with I start the car, the engine surges stirring between 1200 and 2000 rpm back and forth. I distorted the IAC and the TPS in the same way as no alter in symptoms. I have noticed that several Lexus SC's have this same issue. Prior to this I would have to get used to the idle swiftness screw to subjugate the rpm and it would sustain for a while. Now, the engine is continually surging to the reduction where I cannot drive it for panic of broken to the drive train. Any experienced solution?

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