What this code means

The PCM detected an open circuit in the fuel volume regulator control circuit. This regulator controls fuel pressure in the high-pressure fuel system.

Symptoms

• Check Engine Light
• Hard starting
• Reduced power
• Poor fuel economy

Common causes

• Faulty fuel volume regulator
• Damaged wiring or connectors
• PCM failure
• Corroded terminals

Diagnostic steps

1. Read freeze frame data
2. Inspect wiring to fuel volume regulator
3. Test regulator resistance
4. Check fuel pressure
5. Test PCM output

Repair notes

Replace faulty fuel volume regulator or repair wiring.

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