traction light, hard shifting

2001 PONTIAC SUNFIRE
145,000 MILES • 4 CYL • FWD • AUTOMATIC
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TRAVISHRTN
  • MEMBER
  • 1 POST
My cars traction control light turned on, then it started shifting hard then the check engine light came on. THis happended after I changed the valve cover gasket.
Feb 5, 2011 at 5:10 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check engine light on

https://www.2carpros.com/articles/service-engine-soon-or-check-engine-light-on-or-flashing

Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis,finding out what's going on.
Mar 11, 2011 at 6:34 PM
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