What does the code p1391 Jeep CMP mean?

Faulty Camshaft Position (CMP) Sensor Camshaft Position (CMP) Sensor harness is open or shorted Camshaft Position (CMP) Sensor circuit poor electrical connection. What does this mean? How do I fix code P1391 JEEP Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors.

Is the p1391 code related to temp?

IT IS RANDOM, NOT TEMP RELATED.I HAVE WIGGLED ALL WIRES BETWEEN BOTH SENSORS ,AND ECM. Thanks. The P1391 code can be set for a number of reasons, unfortunately. You’ve already replaced the two sensors, so they shouldn’t be a problem at this point. I’ll shoot you a short list of things I’d check, let me know if any stick… Harness problems.

What causes faulty crankshaft sensor on Jeep p1391?

P1391 JEEP Possible Causes Faulty Crankshaft Position Sensor (CKP) Crankshaft Position Sensor (CKP) harness is open or shorted Crankshaft Position Sensor (CKP) circuit poor electrical connection Timing belt or chain stretched or jumped Faulty Camshaft Position (CMP) Sensor Camshaft Position (CMP) Sensor harness is open or shorted

How to fix a camshaft position ( CMP ) sensor circuit?

Camshaft Position (CMP) Sensor circuit poor electrical connection. How do I fix code P1391 JEEP? Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. How much do you know about cars? What does this mean?

What does the diagnostic trouble code p1391 mean?

P1391 DODGE Meaning The Powertrain Control Module (PCM) monitors the Camshaft Position Sensor (CMP) Or Crankshaft Position Sensor (CKP) Signal. The Diagnostic Trouble Code (DTC) will set when the PCM detects the actual Camshaft Position Sensor position disagreed with the expected Camshaft Position Sensor level.

How to fix p1391 code on Jeep Wrangler?

Fix & Repair a P1391 Code on a Jeep Wrangler, Cherokee or Similar – YouTube P1391 CHRYSLER – Intermittent Loss of CMP or CKP Usually paired with a check engine light on. Crank Position Sensor or Cam Position Sensor intermittent failu… P1391 CHRYSLER – Intermittent Loss of CMP or CKP Usually paired with a check engine light on.

What are the possible causes of a p1391 Chrysler?

P1391 Chrysler Possible Causes. Faulty Crankshaft Position Sensor (CKP) Crankshaft Position Sensor (CKP) harness is open or shorted. Crankshaft Position Sensor (CKP) circuit poor electrical connection. Timing belt or chain stretched or jumped. Faulty Camshaft Position (CMP) Sensor.

What happens to the tone wheel on a p1391?

Damage to crank sensor tone wheel. If the transmission has been removed, the tone wheel on the flexplate (auto) may be bruised a bit. It doesn’t take much to mess up a square wave signal, which is what the P1391 will be telling you.

Is the 2003 Jeep Grand Cherokee still going strong?

Updated review: Still love my ’03 JGC, still going strong, have only had minor maintenance since the big expenses of knock sensors & axle replacement, etc. which I wrote about in my earlier review. It is a 2nd car for me, & have put on another 14k miles on it.

How much does it cost to repair a p1391 Jeep?

The cost of diagnosing the P1391 JEEP code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour. P1391 JEEP Possible Symptoms Engine Light ON (or Service Engine Soon Warning Light) Lack/Loss of Power

What kind of car is a 2003 Jeep Grand Cherokee?

Don’t let the 2003 Jeep Grand Cherokee’s looks fool you. It’s refined and surprisingly luxurious on the inside, yet it can navigate just about any tricky off-road situation with ease.

Is the 2003 Jeep Grand Cherokee Overland still good?

Paint is showing wear but a good detail job & it’s still looking good at 13 yrs. old.! Runs great, handles well. In retrospect the comparable value for money spent is good, reliability is good, American cars just don’t hold their value for resale. Upgraded some features from earlier review. I bought my ’03 Overland new in December ’02.

Where was the 2003 Jeep Grand Cherokee last serviced?

1st owner drove an estimated 7,573 miles/year • 2nd owner drove an estimated 0 miles/year • 3rd owner drove an estimated 8,350 miles/year • 4th owner drove an estimated 0 miles/year. Last serviced at 107,768 miles in Beckly, WV on 11/16/16 • Vehicle serviced • Maintenance inspection completed.

What kind of engine does a Jeep Grand Cherokee have?

The Grand Cherokee is offered in Laredo, Limited and Overland models with engines ranging from a 195 horsepower 4.0-liter inline 6-cylinder to a 265 horsepower 4.7-liter V8 with your choice of two or four wheel drive.

The cost of diagnosing the P1391 JEEP code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour. The Engine Control Module ( ECM) detected the actual Camshaft Position Sensor (CMP) position disagreed with the expected CMP level.

What causes an OBDII code on a jeep?

What causes a faulty CMP or CKP signal?

Possible causes. Faulty Crankshaft Position Sensor (CKP) Crankshaft Position Sensor (CKP) harness is open or shorted. Crankshaft Position Sensor (CKP) circuit poor electrical connection. Timing belt or chain stretched or jumped. Faulty Camshaft Position (CMP) Sensor. Camshaft Position (CMP) Sensor harness is open or shorted.

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