How to Troubleshoot Fuel Pressure?

Answer A fuel pressure regulator is located between the vehicle's gas tank and the engine's intake manifold. Its function is to control the air pressure value in the fuel line allowing for the smooth oper... Read More »

Top Q&A For: How to Troubleshoot Fuel Pressure

How to Troubleshoot a Fuel Pump Pressure?

Most of the time when the fuel pump in your car gives you trouble, it is due to low pressure or pump gas leakage because of worn-out components. You will notice the symptoms most when running at hi... Read More »

How to Troubleshoot a Fuel Injector Pressure Regulator?

A fuel pressure regulator is used in fuel injected systems. The computer regulates the amount of fuel injected into the engine by the amount of time the fuel injectors are open. In order to accurat... Read More »

How to Troubleshoot the Fuel Pressure on a 2005 Buick Century?

The 2005 Buick Century is equipped with a high-pressure fuel injection system in which fuel is supplied at a constant pressure and volume to the injectors by a fuel tank mounted fuel pump. Pressur... 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 »