2001 Buick Skylark car starting problem

Tiny
2CP-ARCHIVES
  • MEMBER
  • 2001 BUICK SKYLARK
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 55,000 MILES
2001 Buick Skylark mileage: 55,000. I have been having trouble with my car for a while it starts up in the A.M, but when put in gear it will stall. Then it will allow you to drive a little ways then stall, it will do this until it is warm. Now it seems to be idling hard and hesitating/missing, feels almost as if it is running on 3 spark plugs instead of 4. The alternator, starter, muffler, oxygen sensor, coolant sensor, EGR valve, fuel filter have all been recently replaced to try and remedy this problem. The only thing that showed up on the diagnostic done recently was the EGR valve, this didn't help, the minimum airflow was also adjusted. Please help everyone is stumped - could this be the catalytic converter (I think it could be).
Tuesday, October 19th, 2010 AT 11:24 PM

1 Reply

Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
We doubt seriously that your problem is the catalytic converter. Scope the engine to be sure all four cylinders are firing. It this checks okay, check the idle speed motor as it may be gummed up and not working properly. It may need cleaning or replacing.
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Tuesday, October 19th, 2010 AT 11:27 PM

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