p0012
Moderate
Ford · Trucks
Camshaft Position Timing Over-Retarded (Bank 1)
Quick Answer
Error code P0012 on your Ford Trucks means: Camshaft Position Timing Over-Retarded (Bank 1). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Low engine oil level or dirty/degraded engine oil
  2. Faulty variable valve timing (VVT) solenoid on bank 1
  3. Clogged oil passages to the VVT actuator
  4. Stretched or worn timing chain
  5. Faulty camshaft phaser on bank 1
How to Fix It
1
Check engine oil level and condition; change oil if dirty or low
2
Inspect VVT solenoid on bank 1 for proper operation and clean the screen
3
Test VVT solenoid electrically with a multimeter
4
Check oil pressure to ensure adequate flow to the VVT system
5
Inspect timing chain for stretch using a timing chain gauge or scan tool
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Engine oil and filter
VVT solenoid (bank 1)
Camshaft phaser
Timing chain kit
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