A P0306 diagnostic trouble code on your 2022 Cadillac Escalade indicates a misfire detected on cylinder 6. The Escalade's 6.2L V8 engine (L87) produces 420 horsepower and has 8 cylinders, making this code completely valid for your vehicle.
Understanding the Escalade's V8
The 2022 Cadillac Escalade uses GM's advanced 6.2L V8 with Dynamic Fuel Management (DFM), which can deactivate up to half the cylinders in 17 different patterns for fuel efficiency. This sophisticated system sometimes contributes to misfire conditions, particularly during cylinder deactivation transitions.
Common Causes of P0306
- DFM Lifter Issues: The cylinder deactivation lifter on cylinder 6 may be failing
- Ignition Coil Failure: Coil-on-plug degradation
- Spark Plug Wear: Worn electrodes or incorrect gap
- Fuel Injector Problems: Direct injector failure or clogging
- Vacuum Leaks: Intake manifold or AFM/DFM system leaks
- Low Compression: Valve train or piston issues