Code result
P0088
Fuel Rail/System Pressure - Too High
High severity
What it means
The ECU detects fuel rail pressure above the desired setpoint and cannot reduce it through pressure regulator commands. Risk of injector damage and rail seal failure if not addressed.
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
Pressure regulator stuck closed
highOne of the most commonly reported causes for this code — check this first.
Rail pressure sensor drift
mediumA plausible cause — test and verify before replacing parts.
Related help
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