Pontiac Fuel Pressure Diagram

Fuel pump test 2.

Pontiac fuel pressure diagram. Fuel injection system understanding there are two basic types of fuel injection systems currently being used by giant car brands. Fuel pressure test with gauge. The 2004 to 2006 pontiac gto fuel system uses a method that is referred to as a return side jet to fill the fuel pump canister this means the fuel from the fuel pressure regulator return is being used to create the high velocity jet that fills the pump canister by inducing a high volume low pressure flow the pump. This can reduce tank pressure and throw the code.

A fuel pressure regulator determines the correct amount of fuel to be delivered to the fuel rail. Fuel sending unit wiring diagram volovetsfo. Always wear eye protection and you can also cover this area with a towel to reduce spray. You have to know how to check fuel pressure because it drops when the pump is weak signaling that you need to take immediate action.

The fuel is then injected into the engine for combustion. A word of caution when removing the old regulator you will probably have fuel under pressure. You can accomplish this by locating the wire circuit that feeds power 12 volts to the fuel pump and with a multimeter in volts dc mode verifying that 12 volts are reaching. A fuel rail is a fairly generic piece and even a custom one shouldn t be that hard to fab up just get a piece of fuel rail extrusion and drill it for the injectors and weld a fitting on the end for the fuel line.

Fuel gauge sending unit wiring diagram collections of 36 fuel gauge wiring diagram chevy types of diagram. Automotive wiring diagram worksheet inspirationa fuel gauge sending. A fuel pump is a critical component of proper engine operation. Making sure that the fuel pump is getting power 12 volts when you crank the engine.

This time i change the fuel pressure regulator in the 04 grand am ram air 3 4 and talk about some issues it can cause. When the fuel pressure regulator is clogged with debris or is damaged it can limit the amount of fuel entering the fuel rail causing hesitation within the engine and loss of performance. Fuel cap a bad fuel cap can cause the code to be thrown for sure. Fuel tank sending unit it is possible for the gasket that goes between the fuel sending unit to the gas tank to go bad.

For the millions of pontiac v 8s that left the engine assembly plant the mechanical fuel pump was the unsung hero that received. Might look at getting a supercharged cobalt fuel rail it s liable to be larger in diameter i would think.