2004 Cadillac DTS failed emissions

2004 CADILLAC DEVILLE DTS
189,000 MILES • V8 • FWD • AUTOMATIC
Avatar
APPLE908
  • MEMBER
  • 1 POST
computer will not reset ,disconnected battery and still will not reset, fail emissions test because ofit
Sep 30, 2009 at 3:46 PM
Advertisement
Avatar
FACTORYJACK
  • CERTIFIED EXPERT
  • 4,159 POSTS
If the check engine light is on, it has codes stored. It may need repaired before the fault will stop registering.
Oct 1, 2009 at 9:15 PM