P0088 OBD-II: Fuel Rail/System Pressure - Too High

P0088 Severity

Urgent

Should you fix P0088 yourself?

Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.

Proper diagnosis will save you time and money on unnecessary repairs.

Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.

Schedule Diagnosis

P0088 Summary Find a Repair Shop P0088 Details Ask RepairPal CarGenius Other OBD-II Codes

What causes OBD-II fault code P0088?

The engine computer (PCM) monitors the actual fuel pressure and adjusts the Fuel Pump's operation to meet the desired fuel pressure needed to keep the engine running. If the PCM sees that the fuel pressure is too high, code P0088 will set.

What Does P0088 Code Mean?

OBD-II Code P0088 is defined as a Fuel Rail/System Pressure - Too High

P0088 Symptoms

Decreased engine performance
Engine may stall
Increased fuel consumption

Common Problems That Trigger the P0088 Code

Fuel pressure regulator failure
Powertrain Control Module (PCM) failure
Restriction in the fuel system
Wiring issue

Common Repairs Needed for the P0088 Code

Fuel Pump Replacement

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Other OBD-II Codes

P0087: Fuel Rail/System Pressure - Too Low P0086: Exhaust Valve Control Solenoid Circuit High P0085: Exhaust Valve Control Solenoid Circuit Low P0084: Exhaust Valve Control Solenoid Circuit P0083: Intake Valve Control Solenoid Circuit High P0082: Intake Valve Control Solenoid Circuit Low P0081: Intake Valve Control Solenoid Circuit P0080: Exhaust Valve Control Solenoid Circuit High P007F: Charge Air Cooler Temperature Sensor Bank1/Bank2 Correlation P007E: Charge Air Cooler Temperature Sensor Circuit Intermittent/Erratic P007D: Charge Air Cooler Temperature Sensor Circuit High P007C: Charge Air Cooler Temperature Sensor Circuit Low P0089: Fuel Pressure Regulator 1 Performance P008A: Low Pressure Fuel System Pressure - Too Low P008B: Low Pressure Fuel System Pressure - Too High P008C: Fuel Cooler Pump Control Circuit/Open P008D: Fuel Cooler Pump Control Circuit Low P008E: Fuel Cooler Pump Control Circuit High P008F: Engine Coolant Temperature/Fuel Temperature Correlation P0090: Fuel Pressure Regulator 1 Control Circuit/Open P0091: Fuel Pressure Regulator 1 Control Circuit Low P0092: Fuel Pressure Regulator 1 Control Circuit High P0093: Fuel System Leak Detected - Large Leak P0094: Fuel System Leak Detected - Small Leak

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