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P02C9 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 control module uses a fuel pressure sensor to determine the amount of fuel pressure in the fuel rail. If the pressure does not change the way the PCM thinks it should, the PCM will set code P02C9.
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OBD-II Code Decreased engine performance is defined as a Cylinder 12 - Injector Leaking
The engine control module uses a fuel pressure sensor to determine the amount of fuel pressure in the fuel rail. If the pressure does not change the way the PCM thinks it should, the PCM will set code P02C9.