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1989 Buick Century

Tiny
CHUCK56
  • MEMBER
  • 1989 BUICK CENTURY
Engine Performance problem
1989 Buick Century 6 cyl Automatic 90,000 miles

in last 2 days, after the engine warms it starts to run rough, what are the possibilities?
Friday, July 18th, 2008 AT 6:29 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Are there any codes? How is the fuel pressure? How long since a tuneup?

If you think it might be a fuel issue, you can check to see if it's running rich or lean, after it warms-up?

My first thought was maybe the CTS is sending the wrong info to the computer.
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Friday, July 18th, 2008 AT 12:24 PM

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