...fuel pump it self .Put a fuel pressure gauge on the fitting under the hood on the fuel lines.Once the truck starts shut it back off to see if the fuel pressure drops off more than 15 psi .If this ...
...fuel pump if working fine is the regulator going bad? Sounds to me like either your pressure regulator is bad or you have a loose fitting somewhere in the fuel line from the fuel pump to the engine. ...
...I would make sure your fuel pump is fully operational and is pushing the recommended pressure of 35 psi. You will need a fuel pump pressure gauge (tester). I would start here and them move
...fuel pump, fuel filter and fuel relay. Check to make sure oil pressure switch is not sticking or gummed up and connections are tight. Your oil pressure switch is also a safety feature that will shut ...
...fuel pump related I would check the fuel pump relay first. You should have some fuel pressure in the lines when you turn the key on. The relay is powered for 3 seconds to boost pressure ...
...is one test I suggest you have run, it is called a fuel pressure leak down test. If the fuel pump pressure check valve fails to hold fuel pressure it causes hard starting. Any shop can run this
fuel injector pump not working 1994 GMC K1500 5.7L. Until 2 days ago, the truck would start fine when cold, but not hot. Originally I confirmed no fuel pressure. Brought it to a shop, they found a ...
...fuel pump went out so called tow truck and had towed to repair shop.sat overnignt. truck cranked next morning. Mech. still puzzled what would caues this problem? thanks for the help. Truck has ...
...fuel pump died replaced it truck ran poorly afterwards. Had a prussuer test done pump determend pump was no good. Put in another ran good for 2 days started running poorly hard to start no power. 2nd ...
...fuel pump and filters will start whn fuel is poured in carb if computer command truck with an ECM replace the engine's oil pressure sensor. It has 3 wires to it and one runs to the fuel pump to ...
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