P0088high severityPowertrain
Fuel Rail/System Pressure - Too High
on 2008 Dodge Viper 8.4L V10 · RWD
What this code means
The fuel rail pressure is higher than the PCM commanded value.
Symptoms
- Check Engine Light
- Hard starting
- Rich running
- Injector damage risk
- Black exhaust smoke
Common causes
- Faulty fuel pressure regulator
- Restricted fuel return line
- Stuck fuel pressure relief valve
Diagnostic steps
- Monitor fuel pressure with scan tool
- Test fuel pressure regulator
- Check return line for restriction
- Inspect relief valve
Repair notes
Replace fuel pressure regulator or clear fuel return restriction.
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0006
Fuel Shutoff Valve A Control Circuit Low
P0007
Fuel Shutoff Valve A Control Circuit High
P0008
Engine Position System Performance - Bank 1
P0009
Engine Position System Performance - Bank 2
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1