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

Answer 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 »

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Replacing a Fuel Pump?

All vehicles today incorporate a fuel pump located within the fuel tank. The fuel pump is cooled by fuel. The reasoning for this is simple--longevity and sound level are the main reasons. With the ... Read More »

Replacing S4 Fuel Pump Relay?

The fuel pump relay on an Audi S4 is designed to control the voltage to the fuel pump. When the engine control module, or ECM, decides to turn on the fuel pump, it signals the fuel pump relay to se... Read More »

Replacing a 240SX Fuel Pump?

The Nissan 240SX uses an electric pump located in the gas tank to move fuel to the engine. When you start the car, the pump begins to send fuel through the pressurized lines. If the fuel pump malfu... Read More »

How to Remove Fuel Lines From a Fuel Pump?

The fuel pump on a vehicle is what pulls gasoline from the fuel tank and sends it off to the engine. Occasionally, the fuel pump might stop working, which necessitates replacing the pump to get the... Read More »