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International Automotive Technicians Network
Re: Engine won't shut off with key
Posted to Technical Discussion Forum on 5/11/2025



"I replaced it with a aftermarket switch and it worked as designed for about 15 test crank is back to the original problem."

This sounds like a sticking relay. There is an IGN 1 relay in the UH fuse box that powers up the coils, injectors, and PCM. Try sh... Login to read more.