P1381moderate severityPowertrain
Variable Cam Timing Over-Advanced (Bank 1)
on 1997 Ford Explorer 5.0L V8 · AWD
What this code means
The variable camshaft timing system on Bank 1 is over-advanced beyond the PCM commanded position. This can cause poor idle quality and performance issues.
Symptoms
- Check Engine Light
- Rough idle
- Poor low-end power
- Engine may stall
- Abnormal engine noise
Common causes
- Stuck VCT solenoid
- Dirty engine oil restricting VCT operation
- Worn VCT phaser
- Low oil pressure
- Stretched timing chain
Diagnostic steps
- Check engine oil level and condition
- Test VCT solenoid operation
- Monitor cam timing deviation on scan tool
- Check oil pressure
- Listen for timing chain rattle
Repair notes
Change engine oil. Replace VCT solenoid or phaser if faulty. Check timing chain.
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1