What this code means

Malfunction in the fuel injection timing control circuit. Common in diesel engines.

Symptoms

• Check Engine Light
• Poor performance
• Excessive smoke
• Hard starting
• Knocking

Common causes

• Faulty injection timing solenoid
• Wiring damage
• Injection pump failure
• PCM failure

Diagnostic steps

1. Test timing solenoid
2. Check wiring
3. Monitor injection timing with scan tool
4. Test injection pump

Repair notes

Repair injection timing system. Common in diesel injection pumps.

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