P0091 Volkswagen Fuel Pressure Regulator Solenoid 1 Control Circit Low Voltage
Possible causes
– Faulty fuel pressure regulator
– Fuel pressure regulator harness is open or shorted
– Fuel pressure regulator electrical circuit poor connection
– Fuel pressure regulator harness is open or shorted
– Fuel pressure regulator electrical circuit poor connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
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