Powertrain
generic / SAE
P0088
Fuel Rail/System Pressure Too High
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.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / 88
Possible causes
- Pressure regulator stuck closed high
- Rail pressure sensor drift medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
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References
sae:J2012