Question about 1995 Chevrolet Cavalier

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How do I check to see if my fuel pump is working? 1995 Cavalier LS. 2.2 litre,throttle body fuel injection. I want to make sure it isn't something else before I drop the gas tank.

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First check the fuel relay to see if it's bad, and to make sure it is a fuel problem turn the key on listen for the pump to run for 2 seconds. Do you here it? if yes then you Will need to see if it is getting fuel to the fuel rail to do this there is a valve on the fuel rail that looks like a bicycle tire valve remove the valve cover and after you have cycled the switch on and off once see if yo press on the stem there is gas shooting out, if not then it is your problem, also test for spark plug spark plug one plug wire install a screwdriver into the plug boot and put it within a 1/4 inch of a good ground crank the engine over and watch for blue spark. is there a spark? Yes? then check the fuel pump, by the way did you replace the fuel filter? and if you want to test the fuel pump first rent a fuel pump tester from Auto-zone, they will give you your money back. Hook it up turn the key on and watch the pressure, it should reach 50 PSI and hold for 30 seconds to 20 PSI if it does not hold or pressurize then pump is bad. If it does work crank engine over with air cleaner off and open throttle plate on the throttle body, do you see it pulsing a lot of fuel into the engine while cranking? if yes then it is a spark problem or out of time, need more help then reply to this post.

Posted on Jul 14, 2009

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How do i check if my fuel pump is working crrectly?

Posted on Jul 29, 2009


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