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Re: 2002 Jeep Grand Cherokee 4.0 vin S
Posted to Technical Discussion Forum on 8/16/2017 4 Replies

I am able to look at you capture. Like others have said, I would try a oe sensor first. That wide pattern does look odd, and that's why the pcm thinks there's a misfire. I'm no expert on these, but I wonder if maybe the flexplate is cracked, and the delay is c... Login to read more.

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