blinking engine light with message traction control stabilitrak number 7 miss fire code runs rough whats the cause ?

10

Asked by GuruQ3RMY Nov 27, 2019 at 12:27 PM about the 2006 Cadillac DTS Performance FWD

Question type: Maintenance & Repair

2 Answers

200

It sounds like you have a hard misfire on cylinder 7. You could try switching out the #7 spark plug coil with one of the others to see if the misfire switches to the cylinder you swapped it with. If so, you know it's the coil. You could do the same with the spark plug, but if they are original plugs then it might be worth just replacing them regardless.

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