1996 Cadillac Deville emission light

1996 CADILLAC DEVILLE
100,000 MILES • V8 • 2WD • AUTOMATIC
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SPOILERG
  • MEMBER
  • 1 POST
my emission light stays on
Sep 5, 2014 at 8:46 PM
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CARADIODOC
  • CERTIFIED EXPERT
  • 34,306 POSTS
Have the diagnostic fault codes read. Most auto parts stores will do that for you for free. Those codes will indicate the circuit or system that needs further diagnosis or the unacceptable operating condition.
Sep 5, 2014 at 8:57 PM