What Are The Symptoms Of A Bad Fuel Pressure Regulator? Engine misfires/poor acceleration. Black smoke coming from the exhaust. Spark plugs appear black. Reduced fuel mileage. Gasoline in the vacuum hose. Engine backfires. Engine won’t crank. Excessive fuel pump noise. What happens if the fuel pressure regulator goes bad? The most obvious symptom of a
How Do I Check My Fuel Pressure Without A Gauge? Disconnect the hose coming from the pump to the filter and block the passage of the hose tightly with your finger. You can then start the car. If you feel that the fuel is pushing your finger hard, it means you have good pressure. Can
Does Fuel Pump Stay On When Riding Side By Side? If the fuel pump stays on with key on, then probably the ignition switch is shorted and is feeding the power supply to the fuel pump even the car is off. Put the key in the ignition switch and shake it a bit and see