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1999 Buick Century dies on idle

Tiny
CHRISTIEH
  • MEMBER
  • 1999 BUICK CENTURY
Engine Mechanical problem
1999 Buick Century 6 cyl Front Wheel Drive Automatic rebui? Miles

EWhn hot it dies in idle. Starts right back but idles up and down. Jumps on take of. No codes coming up no check engine light. Replaced idle air control. Rebuilt motor. Doesn't do it unless hot mechanic has no idea.
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Friday, September 24th, 2010 AT 7:35 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Clean out the EGR valve amd test the throttle position sensor and manifold position sensor
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Friday, September 24th, 2010 AT 7:38 PM
Tiny
CHRISTIEH
  • MEMBER
  • 2 POSTS
Does computer need to be reset after putting on the idle air control for it to work properly?
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Friday, September 24th, 2010 AT 7:54 PM
Tiny
RASMATAZ
  • MECHANIC
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The idle air control valve has to undergo a relearning process-could be 40 key cycles
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Friday, September 24th, 2010 AT 9:07 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem
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Wednesday, November 3rd, 2010 AT 9:26 AM

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