Diagnostic trouble code P0306 on your 2022 GMC Acadia indicates misfires in cylinder 6. The 2022 Acadia's 3.6-liter V6 engine has six cylinders, making P0306 a valid code requiring systematic diagnosis.
2022 Acadia Engine
The 2022 GMC Acadia uses the 3.6-liter V6 producing 310 horsepower. This naturally aspirated V6 positions cylinder 6 on the rear passenger-side bank.
Common P0306 Causes
Ignition coil degradation is the most common cause. Spark plug wear, fuel injector issues, and carbon buildup from direct injection can also cause cylinder 6 misfires.
Diagnostic Approach
Standard ignition system diagnosis applies. Check coil, spark plug, and injector function. Consider carbon buildup on higher-mileage vehicles.