How to Test Fuel Pump Pressure?

Answer Fuel pressure is needed for every engine to function, from your lawnmower and motorcycle to your fuel injected car. As its name suggests, the fuel pump helps pump fuel to the engine. Mechanical fue... Read More »

Top Q&A For: How to Test Fuel Pump Pressure

How to Test the Fuel Pump Pressure of a 1994 Jimmy?

The 1994 GMC Jimmy, the near-identical twin of the Chevy S-10 Blazer, had two engines available. The standard engine was a 165-horsepower, throttle-body-injected, 4.3-liter V-6, and the optional en... Read More »

How to Remove Pressure From the Fuel System for Replacing the Fuel Pump?

The fuel system pressurizes fuel from the fuel tank to the engine. Fuel-injection systems meter the fuel injected for the cylinders by controlling the length of time the injectors are open. To inje... Read More »

How to Check Fuel Pump Pressure?

Incorrect fuel pressure is a commonly overlooked problem in many vehicles. If the fuel pump produces too much pressure, fuel mileage will suffer. If too little pressure is produced, the engine will... Read More »

DIY Fuel Pump Pressure Tests?

The fuel pump draws the gasoline from the fuel tank and pushes it to the engine through the fuel line. The fuel reaches the fuel injectors and is sprayed into the combustion chamber. The fuel press... Read More »