why is black exhaust around tail pipe

2008 CADILLAC SRX
59,000 MILES
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QUEENIE21
  • MEMBER
  • 1 POST
check engine light is on, black exhaust around tail pipe cadillac 2008 srx
Sep 2, 2011 at 10:47 AM
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CARADIODOC
  • ✓Experienced Mechanic
  • 34,400 POSTS
There's a diagnostic fault code stored in the Engine Computer. Many auto parts stores will read those codes for you for free. That will lead you to the circuit or system that needs to be diagnosed.
Sep 2, 2011 at 11:55 AM
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