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I have a 1996 gmc jimmy it stopped running i changed the fuel filler line and it still wont run fuel pump comes on and goes off still not starting when i pour gas in it will start then shut off what is my promblem?
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the signal flashing is a bad hazard switch. they all brake. if you hold the flasher buton just the right way the noise stops. sounds like your dash is shorted with the flasher
might be ecu fault are there any engine managment lights on dash is there defo fuel getting to engine can you here the pump running just incase its a duff pump if its totaly drained the fuel line it would take a bit to get the fuel to the engine any way
You should have your fuel pressure checked the problem is one of two things It is either your fuel pump or your fuel pressure regulator. It goes to high idle because it is starving for fuel.
The most likely problem would be the fuel pump they go like that one munite they pump and the next don't. You should check the electrical system first but if it is running good and all of a sudden it quits and if you have noticed problems on up hill excelartion with misfire codes P03 something. You may try changeing the fuel filter its located on the frame rail under the drivers door it may get you through the winter but its likely the pump if its never been changed
No fuel pump reset switch on a Jimmy. If your pressure goes up to normal, then drops back down after 2 seconds, you need a new fuel pump as the return is not working correctly to keep fuel in the lines.
MOST LIKELY THE FUEL PUMP HAS FAILED, WHEN U TURN THE KEY TO RUN POSITION DO U HEAR A HUMMING NOISE FROM THE FUEL TANK? THIS NOISE WILL STOP IN ABOUT 5 SECONDS, U CAN HEAR IT BETTER BY TAKING OFF THE GAS CAP AND LISTENING THERE, IF U HEAR NOTHING THEN THE PUMP WILL HAVE TO BE REPLACED.
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