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Re: 89 Jeep Cherokee Flexplate/Ignition issue?
Posted to Technical Discussion Forum on 6/16/2018

Very easily could be bad wrong wrong flexplate unless they mashed the CKP sensor and aren't telling you.

all you need to scope is two channels. One channel will be CKP signal and one channel CMP signal. Adjust time and voltage scales until you have an obviou... Login to read more.