Fix & Repair a P1391 Code on a Jeep Wrangler, Cherokee or Similar
P1391 CHRYSLER - Intermittent Loss of CMP or CKP Usually paired with a check engine light on. Crank Position Sensor or Cam Position Sensor intermittent failure or loss of communication with PCM.
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2004 Jeep Cherokee P1391 Cam/Crank Sensor Code -Pt 1
![Jeep Cherokee XJ: P1391, P0340, Rough Idle & Backfire Diagnosis and Fix [Expo and the Unsolvable]](https://i.ytimg.com/vi/F6SoLg1LEGU/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLARA7rZ4yRw7jPbwTm-TGeiid_Vdg)
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Jeep Cherokee XJ: P1391, P0340, Rough Idle & Backfire Diagnosis and Fix [Expo and the Unsolvable]
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DIY – Signs & Symptoms of a Bad Camshaft Position Sensor (CMP)
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How-To Test a Crank Shaft Position Sensor CPS
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Intermittent stall, no start - P0320, P1391 cam, crank sensor testing (Jeep)
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