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P2665 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 Fuel Pressure Relief valve is designed to release excessive fuel pressure. When the engine control module (PCM) detects an issue with the Fuel Pressure Relief Valve signal, the PCM will set code P2665.
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OBD-II Code Decreased engine performance is defined as a Fuel Shutoff Valve "B" Control Circuit/Open
The Fuel Pressure Relief valve is designed to release excessive fuel pressure. When the engine control module (PCM) detects an issue with the Fuel Pressure Relief Valve signal, the PCM will set code P2665.