Code result
P0002
Fuel Volume Regulator Control Circuit Range/Performance
High severity
What it means
The control signal of fuel volume regulator A is electrically present but the actual rail pressure does not follow the target value within tolerance. Indicates a mechanical or hydraulic issue rather than pure wiring.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
High-pressure pump worn or leaking internally
highOne of the most commonly reported causes for this code — check this first.
Regulator valve sticking from contamination
mediumA plausible cause — test and verify before replacing parts.
Rail pressure sensor reading drifted
mediumA plausible cause — test and verify before replacing parts.
Related help
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