Having problems with your 2006 Cadillac CTS 2.8 ?
Rough idle and missing - 2006 Cadillac CTS 2.8
There could be too many reasons from the spark plugs, fuel injectors, and fuel pump to O2 sensors. Ideally, you should take your car to nearest auto zone and diagnose with the scan tool to see what codes are generated. Once the codes are found, you will have an exact idea of what is going wrong.
Repair Help & Product Troubleshooting for 2006 Cadillac CTS 2.8
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