Question about 1994 Hyundai Excel

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Car doesn't seem to get enough gas to engine

My hyundai excel starts fine, runs for about 100 yards but then slows to 10 mph even tho i have gas pedal to the floor. I replaced fuel filter. does this mean the fuel pump is bad? 1994 Hyundai Excel

Idles fine, press the gas peddle and engine sputters and almost dies, pump the gas peddle and it will sutter some but then sputter less at higher rpm. There is no fuel bypassing at fuel pressure regulator with vacum applied. When tested with air pressure the pressure regulator bypasses at 48 PSI.

We think maybe the fuel pump pressue is low. Will that cause all these problems?

Help

rharpe1@sbcglobqal.net

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  • rharpe1 Jul 14, 2008

    The car was tuned up. We installed a new fuel pump. Found pump intake partly clogged and lose hose clamp. Put the new pump in anyway car runs fine.

  • Anonymous Mar 27, 2014

    when starting it, have to press gas pedal to keep it running

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While replacing the fuel filter some problem might have occured ,so check that first with the one ,who changed your filter

Posted on Jul 11, 2008

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Have you done a tune lately on the car?
I would also suspect a fuel pump problem is you've done a tune up recently.

Posted on Jul 11, 2008

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Car doesn't seem to get enough gas to engine


check pressure on fuel rail using propper fuel pressure gauge if its not to manufacturers specifications replace fuel pump if it is to manufacurers spec then replace fuel pressure regulator on the fuel rail thanks good luck with projects

Jun 26, 2008 | 1994 Hyundai Excel

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