Question about 1999 Chevrolet Silverado 1500

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I have a 1999 silverado 4.3 it will start runs real ruff as I give it gas it will quit engine stops. The fuel pump starts and I have fuel pressure do not know how much

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FUEL PUMP HAVE SOME ONE TURN THE KEY PUT UR EAR BY THE TANK SEE IF YOU CAN HEAR IT BUZZ IF NOT ITS UR FULL PUMP

Posted on Sep 18, 2010

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Start and quit running I can spray gas in the throotle bottle and it will say running while I am spray it


Must be your fuel pump has quit working. There should be fuel under pressure in the line to the throttle body, just by turning the key to on, not start. Not real high pressure like in multiport injected engines. Throttle body injection runs on about 20psi. If no pressure in your lines, find out why the pump is not working.

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YOU COULD HAVE RESTRICTED FUEL FILTER OR FUEL PUMP COULD BE FAILING. FUEL PRESSURE SHOULD BE 9 - 13 PSI FOR THE GAS ENGINE.IF YOU HAVE 6.2 DIESEL ENGINE YOU FUEL FILTER STOPPED UP OR YOU HAVE FAULTY LOW PRESSURE TRANSFER PUMP.YOU COULD HAVE FAULTY FUEL SOLENOID AT THE INJECTION PUMP.

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I HAVE A 1993 CHEV PU 350. IT STARTS FINE AND WILL MOVE FINE FOR ABOUT 15 MINUTES. WHEN I STOP AT A STOP LIGHT NO PROBLEM BUT IT FEELS LIKE ITS RUNNING RUFF. AS SOON AS I ENGAGE THE ACCELERATOR IT DIES. I...


TRY THE FUEL FILTER FIRST IF THE FUEL PUMP WAS GOING BAD IT WOULD STALL AS YOU PUSH ON THE GAS PEDDLE AND PUMPING THE PEDDLE WOULD NOT HELP FUEL INJECTION AND PUMPING THE GAS WILL HAVE NO EFFECT ON THE RUNNING OF THE VEHICAL

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ck fuel pressure with fuel pressure gauge at fuel rail,,there should be a black cap on fuel line or rail on top of motor,,or u mite have a spark issue ck that to,,coil,,modular,hoped it helped,,

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check electric fuel pump operation ( located in the fuel tank ). Occasionally a fuel pump will burn out when running out of fuel, due to the fact the pump runs DRY for about 30 seconds till the fuel stops flowing out of the injectors, the engine quits, simultainously losing oil pressure which FINALLY shuts off the fuel pump. Sometimes TOO LATE. Hope this helps

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could certainly be a fuel pump problem. is the ck engine lite on? (retrieve #code)maybe restricted exhaust?

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