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AutoCodes
OBDII Code List
P0021 2006 FORD FUSION

P0021 2006 FORD FUSION - Intake Camshaft Position Timing Over Advance Bank 2

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?

Possible causes

  • Camshaft timing incorrectly set
  • Continuous oil flow to the VCT piston chamber
  • Erratic camshaft position due to low oil pressure
  • Oil flow restriction in the oil passages or the VCT valve body
  • VCT solenoid valve stuck open
  • Open or short in the VCT circuit
  • Open VPWR circuit
  • Camshaft advance mechanism binding (VCT unit)
  • Damaged VCT phaser
  • Damaged camshaft position (CMP) sensor
  • Open or short in the CMP sensor circuits
  • Radio frequency interference (RFI) interference
What does this mean?

Tech notes

Dirty oil can clog the small holes in the VCT valve. Start by replacing your oil (with the recommended oil weight) and oil filter, if you have not replaced in the recommended oil change interval.
What does this mean?