traction control stabilitrak troubles

2007 CHEVROLET SUBURBAN
81,800 MILES • V8 • 2WD • AUTOMATIC
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AMJOHNSON
  • MEMBER
  • 1 POST
my car's traction control light came on and said service traction control and service stabilitrak and also traction control is off and stabilitrak is off and the check engine light came on once it came on the motor started running rough and when traction control light and engine light are on at the same time the suburban changes gears hard but if just the engine light is on it changes smooth can you help it is giving a code #7 cylinder misfire
Aug 14, 2011 at 8:07 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Scan the computer to determine where the problem is coming from for the traction control. As far as the misfire, it could be several things... bad spark plug, wire, coil, injector... You need to check one thing at a time to determine which is the problem.
Sep 6, 2011 at 12:29 PM
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