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Fuel Problems

Tiny
WISHIKNEW
  • MEMBER
  • 1999 MAZDA 626
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 148,000 MILES
My car idles really low and dies on me frequently but can give it gas and it will stay running. I've had it put on diagnostics and the computer said it was the ERG, I replaced it, same problem occurred. I replaced the fuel filter, same problem. I've not replaced the fuel pump. Could it be the fuel pump or the fuel pump relay? Why does it keep dying? After the car sits all night the following day when started the car smokes for a min then clears up. Smoke is light in color and looks kinda blue.
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Wednesday, March 16th, 2011 AT 2:48 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Check the fuel pump pressure before replacing it. Also, check for vacuum leaks and check the idle air control valve. If the check engine light is on, have the computer scanned for trouble codes.
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Wednesday, June 15th, 2011 AT 4:20 AM

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