99 SONATA FUEL SYSTEM

  • Tiny
  • wildl
  • 1999 Hyundai Sonata
  • 6 CYL
  • 2WD
  • automatic
  • 105,000 miles

Car will start run a few min. Then die. After some time will start and do the same. Cranks over fine. I removed the in line filter and turned the key on thinking a elec. Pump should pump. It only pumps gas out the filter line when I crank it over in spurts like a mechanical pump would. Shouldn't the gas pump out the line when the key is on?

Saturday, January 8th, 2011 AT 6:42 PM

1 Answer

  • Tiny
  • Wrenchtech
  • Expert
  • 19,541 posts

It pumps for 2 seconds when the key is first turned on and then again when it sees a tach signal. Use a fuel pressure gauge. It's the only way to know if you have a fuel pressure problem.

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Saturday, January 8th, 2011 AT 6:52 PM

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