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2005 CHEVROLET IMPALA

3.8L V6FWDAUTOMATICgas
4 active safety recalls on this vehicle — view recalls
Repairs0Labor477Torque4866Fluid6DTC855Battery1Maintenance0Recalls4
P0015moderate severityPowertrain

Exhaust Camshaft Position Timing Over-Retarded Bank 1

on 2005 Chevrolet Impala 3.8L V6 · FWD

What this code means

The exhaust camshaft timing for Bank 1 is more retarded than commanded by the PCM.

Symptoms

  • Check Engine Light
  • Loss of power
  • Rough idle
  • Poor emissions

Common causes

  • VVT solenoid failure
  • Low oil pressure
  • Oil sludge
  • Timing chain wear

Diagnostic steps

  1. Check oil level and condition
  2. Test VVT solenoid
  3. Monitor cam position
  4. Check oil pressure

Repair notes

Replace VVT solenoid or service timing system.

Other Powertrain codes on this vehicle

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