2004 Pontiac Grand Prix "fuel test" Questions

...Fuel Pump Problems with Voltage Drop Test Plus the fuel pump is controlled by the PCM - engine computer via a fuel pump relay . Fuel pump electrical circuit diagnosis no fuel pressure testing ...

...fuel pump,no power to the pump Get a test light and test the wires going to it ground one end and see if you have power at the pump. If not do the same at the fuses so where you are not geting the ...

...fuel tank. The test for it is to use a variable resistor that is hooked up to the wiring at the fuel tank and watch the fuel gauge if the gauge works ok thats makes 100% sure its the sending unit. At ...

fuel pressure test point on the fuel rail. Wrap a rag around the pressure tap to absorb any leakage that may occur when installing the gauge. Turn the ignition ON and check that pump pressure is 24-40

(cylinder 3 misfire rough idle) changed plugs,wires,fuel filter,cleaned throttle body,cleaned maf sensor, performed combustion chamber decarb, tested cylnder 3 compression (160psi) tested the fuel ...

...Thank you.BOB check your fuel pressure it should be 35 psi .fuel pump relays dont go out but check all fuses with test light there is a fuel injector fuse but most likely problem is your fuel

...prix gt used to go 3000 rpm then 2200 rpm now 1500 rpm have changed four solenoids in tranny, egr, fuel pressure regulator, and fuel filter but the rpms keep dropping and car sputters allot could it ...

How do I test for a faulty fuel pump? You can remove the fuel input line from your engine fuel system and test the pump pressure with the appropriate gauge and specs.

In drive car is lurching, my wife has run out of fuel twice, can the fuel pump be going out. the fuel gauge has not worked for a while. U NEED TO TEST YO FUEL PRESSURE REMOVE YO RETURN PIPE AND CHECK

...fuel pressure test. I do not know what the correct fuel pressure readings are for this vehicle. its between 2 bar and 5bar. but you can tell if you turn on the engine then off and press the valve on ...