1991 Buick Century TROUBLE CODE

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JUSTHSOJ1
  • MEMBER
  • 1 POST
1991 Buick Century 6 cyl Front Wheel Drive Automatic

HELLO MY NAME IS JOSHUA,
AND I HAVE THIS BUICK THAT I AM TRYING TO FIX
- THE "CHECK ENGINE" LIGHT IS ON AND I KEEP
GETTING THE TROUBLE CODE "42" WHICH SAYS-
THE EGO SENSOR IS RUNNING TOO RICH W/ NO
CHANGE.
O.K. WHAT SHOULD I DO NOW,
CHANGE THE SENSOR OR SOMETHING ELSE?
THANKS, FOR YOUR HELP!!
Aug 28, 2009 at 10:05 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Replace the oxygen sensor and go from there.
Aug 28, 2009 at 11:59 AM
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