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Buick Lesabre 2001 sluggish until warmed up

Tiny
BRIANH
  • MEMBER
  • 2001 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 120,000 MILES
Our car runs sluggishly when it first starts. When pressing on the gas, it barely goes. However, if you let it sit for about 1 minute, it runs normal. The issue seems to be more apparent when it is cold outside.
Friday, March 4th, 2011 AT 1:28 AM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
You're going to need a scan tool to analyze the sensor data and look for something out of place like temps sensors reading wrong or an extremely lean mixture that would indicate a vacuum leak.
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Friday, March 4th, 2011 AT 1:45 AM

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