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1999 Buick Century 1999 Century hard to start

Tiny
69LINDSEY
  • MEMBER
  • 1999 BUICK CENTURY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 136,000 MILES
I have a 1999 Buick Century that is hard to start. It turns over for 5-10 seconds before starting and takes about 20-30 seconds to idle smooth. I can shut it off and it will start right back no problem. If it sets for 10 minutes or longer same problem. I have changed plugs, wires, fuel pump and fuel pressure regulator with no change in starting. No visible fuel leaks, have checked connections and fuel rails. What do I try next?
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Friday, May 30th, 2008 AT 9:05 PM

3 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Check for a leaky fuel pump test port, also check for leaky fuel injectors, they could be bleeding off alot of pressure.
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Friday, May 30th, 2008 AT 9:46 PM
Tiny
69LINDSEY
  • MEMBER
  • 2 POSTS
The fuel pump o ring did not seal or was not in straight(don't know). I had the smell of gas coming from that area. I took it out reinstalled it with some sealant. Car starts fine now.
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Monday, June 2nd, 2008 AT 7:13 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Glad to hear you have figured it out and it didnt cost you an arm and a leg.
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Tuesday, June 3rd, 2008 AT 8:03 AM

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