1999 GMC Savana "fuel pressure" Questions

fuel pressure regulator misfire cyl. 5&7; compression, leak down, spark ok. fuel pressure drops to 0 after 2 sec. Fuel Pump may be bad & not hold pressure Look up how to test a pressure ...

...fuel pressure 1996 savana 5.7 V8 central sfi I have already replaced fuel pump and filters and only have 18 psi the book says i should have 41 psi to 47 psi 1996 gmc savana 1500 5.7 liter v8 all fuel ...

...fuel pressure.Sounds like you might have a weak fuel pump.Your fuel pressure should be 60-66 psi with the key on and engine off.This fuel system needs at least 52 psi to open the popit valve inside ...

...fuel pressure with a gauge, should be in the neighborhood of 54 lbs. If that checks OK, use a "noid" light to verify the injector pulse from the PCM. Let me know if you need to know how to access the ...

...pressure reading 2) disable the fuel pump relay in event of oil pressure loss. === When this switch is failing to provide the correct pressure to the ECU. The wiring harness can overheat and ...

2002 GMC savana 2500 driving 40/mph just cut off and won't start Engine good crank good spark. Fuel line is low pressure. LOW FUEL PRESSURE WILL CAUSE THIS

pressure and one of the things that happens is the fuel pump is cutoff. This is a safety item in case of an accident which shuts off the engine. Check for the oil pressure cutout switch on the engine,

...fuel pressure test with a fuel pressure gauge. Your fuel pump may be getting weak. How does the air filter look? You may a catalytic converter that is failing and restricting the exhaust. If that is ...

...fuel pressure on the 5.7 in my 1999 gmc 3500 van? I can start the van, and it idles fine. When I drive it down the road, it won't accelerate properly. I replaced plugs, which it did need, and checked ...

...fuel pressure. It should be around 60 psi and hold with the key off. If it drops rapidly than I would expect the fuel pressure regulator is leaking or possible the fuel pump has gone bad. If the ...