P1020 Fuel Pressure Control Limit Exceeded
Possible causes
– Faulty Fuel Pressure Sensor
– Fuel Pressure Sensor harness is open or shorted
– Fuel Pressure Sensor circuit poor electrical connection
– Faulty fuel pressure control valve
– Fuel pump high pressure
– Fuel Pressure Sensor harness is open or shorted
– Fuel Pressure Sensor circuit poor electrical connection
– Faulty fuel pressure control valve
– Fuel pump high pressure
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)