WHEN I TURN KEY TO ON POSITION MY FUEL PUMP USED...

  • Tiny
  • KnotEdog
  • 1986 Toyota Celica
  • 132,000 miles

When I turn key to on position my fuel pump used to run for 3 seconds and then stop. It no longer does this Ans will no start. What component is energized that counts off the 3 seconds?

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Saturday, January 5th, 2013 AT 11:12 AM

3 Replies

  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

The engine computer.
Check the fuses. Test the fuel pump.

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Saturday, January 5th, 2013 AT 7:50 PM
  • Tiny
  • KnotEdog
  • Member

All fuses are good. OC relay good efi relay good main relay good.

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Monday, January 7th, 2013 AT 4:21 AM
  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

Did you test the fuel pump? Are you getting voltage to it? Piower supply is via the Circuit Opening Relay.

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Monday, January 7th, 2013 AT 2:01 PM

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