Impala While undergoing many facelifts in its history, the Impala has proved itself to both civilians and police forces as one of the most capable 4-door cars GM has ever offered. Currently moving towards its 10th generation the Impala is one of the longest lasting and popular models.

2014 Chevrolet Impala
Includes: Bel-air
Platform: B-body & W-body

Service Traction Control and Check Engine Light On

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Old Jul 2, 2017 | 6:50 AM
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GerryProteau's Avatar
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Default Service Traction Control and Check Engine Light On

2006 Impala LTZ 3.9 L

After I changed the plugs and all ignition wires on this car the Service Traction Control and Check Engine Light have come on and the engine is running very roughly. I suspect I damaged something while rotating the engine a bit to access the firewall side cylinders which was a real pain.

Any Ideas?
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