1997 Buick Riviera Engine service light on

1997 BUICK RIVIERA
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GLARA
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  • 1 POST
1997 Buick Riviera Automatic
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My car has had the service engine light on for a while now. I took it in to have the emission done on it and it wont pass, they told me it needed a new oxygen sensor so I got it changed the light turned off for a while but it is back on again what can I do to turn it off. They tell me this is the only thing that is coming up in the computer as a problem.
Please help
Apr 4, 2008 at 9:30 AM
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RHALL77
  • ✓ASE Certified Mechanic
  • 3,361 POSTS
  • ASE Certified Mechanic
there has to be a code in the PCM. can you have it scanned to see what it is. Maybe i can help you
Apr 4, 2008 at 10:32 AM
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