P1390 JEEP - Timing Belt Skipped One Or More Teeth
P1390 JEEP Possible Causes
- Timing belt has jumped one or more teeth
- Loose Camshaft or Crankshaft Position Sensor
How is the P1390 JEEP code repair?Start by checking 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.
What is the cost to diagnose the P1390 JEEP code
Labor: 1.0The cost to diagnose the P1390 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.
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When is the code detected?The Powertrain Control Module (PCM) has detected a misalignment between the cam sensor and crank sensor.
- Engine Light ON (or Service Engine Soon Warning Light)
P1390 JEEP MeaningWith the engine running, the Powertrain Control Module (PCM) enables the Inhibit condition test every 44 ms and monitors for misalignment between the Camshaft Position (CMP) and Crankshaft Position (CKP) sensors. If the CMP signal is offset from the CKP sensor one tooth or more, this trouble code is set. With a cold engine or if the start-to-run transfer is too long Whenever engine speed is outside of its given windows Whenever there is a large change in MAP sensor input
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