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The most common signs of a damaged fuel pressure regulator are a misfiring engine and a dashboard check engine light. Search online for car service near me garages to arrange an appointment for a qualified technician to identify and resolve the problem with your vehicle. Black smoke could be flowing from the exhaust; there could be fuel leaks, and overall performance of the car.
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10 Signs Your Fuel Pressure Regulator Is Not Working The engine runs poorly due to a faulty fuel regulator that alters the air-fuel ratio. As a result, a MOT test's emissions test may fail. Check MOT historyof your vehicle to verify if a faulty fuel pressure regulator was the reason for an emissions test failure in the past. You might still have some concerns after reading this list. Fortunately, we have a more thorough list of the most typical signs of a faulty fuel pressure regulator here.