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Re: 2008 Jeep Wrangler code p0339
Posted to Technical Discussion Forum on 9/10/2021

Well, I see just two possibilities.

First, the flywheel has been installed incorrectly and the crankshaft sensor is flipping the signal 180 degrees over. This would have to be from an incorrectly wired sensor or a faulty sensor. Doubtful this is the case sin... Login to read more.