Questions & Answers for: GMC fuel system

...FUEL PRESSURE.IT SHOULD BE 9 - 13 PSI FOR TBI FUEL INJECTION SYSTEM. 55 - 61 PSI FOR MULTIPORT FUEL INJECTION SYSTEM.IF FUEL PRESSURE IS LOW REPLACE FUEL FILTER FIRST.IF THAT DONT HELP.FUEL PUMP

...Fuel system - fuel filter or fuel pump need serviced. Ignition system - plugs, wires, cap, rotor, coil are all failure prone. Fuel system can be determined by wide open throttle operation on an open ...

fuel system, be sure to reduce the fuel pressure in the system. The pressure regulator contains an orifice in the fuel system; when the engine is turned Off, the pressure in the system will bleed down

...fuel filter still starts hard system may be bleeding down thru leaky injectors. Try turning ignition on and off several times before cranking. This will help the pump pressurize the system. If this ...

fuel storage system (e.g. the fuel tank, filler neck, and fuel cap). Under precise operating conditions-dictated by engine temperature, speed, and load-the EVAP system stores and purges these captured

...fuel system it is best to suspect this system first, on engine turn over see if you can smell fuel at the exhaust. if you smell fuel the fuel regulation mybe too high and the engine is flooding. if ...

...ECM circuit failed from the PCM. Also check and make sure the security system has not disabled the fuel system. If this is the case a problem may exist in the ignition / security PASS or VATS

...fuel system do you have, spider fuel system or tbi? Check for proper fuel pressure. Check fuel injector pulse. If you have the spider fuel system, that system is noted for problems. Any applicable ...

...is made to withstand maximum fuel system pressure, exposure to fuel additives, and changes in temperature. There is no service interval for fuel filter replacement. under truck near drivers ...

...Fuel System (ERFS) The electronic returnless fuel system is a microprocessor controlled fuel delivery system which transports fuel from the tank to the fuel rails. It functions as an electronic ...