Timing Belt Skipped One Tooth Or More
2011-2014 Dodge Avenger 3.6L V6 Pentastar
Description
The PCM has detected that the timing belt or chain has skipped one or more teeth, causing the camshaft and crankshaft to lose synchronization. This is a critical condition that can lead to severe engine damage on interference engines.
Symptoms
- Check Engine Light
- Rough running or misfiring
- Loss of power
- Engine will not start
- Unusual engine noise
- Backfiring
Common Causes
- Worn or stretched timing belt or chain
- Failed timing belt tensioner
- Broken timing chain guide
- Incorrect timing belt installation
- Worn timing chain sprockets
Diagnostic Steps
- Compare CKP and CMP sensor signals on oscilloscope for timing correlation
- Perform timing belt or chain inspection
- Check timing belt tensioner condition
- Verify valve timing marks alignment
- Check for bent valves if interference engine
Repair Notes
Replace the timing belt or chain and all tensioners and guides immediately to prevent catastrophic engine damage.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1390 on Other Vehicles
Common Questions
What does code P1390 mean on a 2011-2014 Dodge Avenger?
P1390 stands for "Timing Belt Skipped One Tooth Or More". The PCM has detected that the timing belt or chain has skipped one or more teeth, causing the camshaft and crankshaft to lose synchronization. This is a critical condition that can lead to severe engine damage on interference engines.
What are the symptoms of P1390 on a Dodge Avenger?
Common symptoms of P1390 include: Check Engine Light, Rough running or misfiring, Loss of power, Engine will not start, Unusual engine noise, Backfiring.
What causes P1390 on a 2011-2014 Dodge Avenger?
Common causes of P1390 include: Worn or stretched timing belt or chain, Failed timing belt tensioner, Broken timing chain guide, Incorrect timing belt installation, Worn timing chain sprockets.