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