7 SYMPTOMS OF A BAD FUEL PRESSURE REGULATOR

Bad pressure regulator symptoms that you could be experiencing are a no start, hard start, rough idle, a check engine light, fuel in the fuel pressure regulator vacuum line, failed emissions test, poor engine performance, and poor gas mileage. Some of the engine codes you might retrieve are P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, and P0172.