Chevrolet Silverado 1500 · Diagnostic Trouble Code
P0306 — Cylinder 6 Misfire Detected
Quick overview of P0306 on your Chevrolet Silverado 1500. Read the full diagnosis guide, then find the repair guides for your vehicle below.
Repair guides that fix P0306
Chevrolet Silverado 1500
2019-2024 Chevrolet Silverado 1500 — Spark Plug Replacement
The most common misfire fix: a fresh set of plugs.
Chevrolet Silverado 1500
2019-2024 Chevrolet Silverado - Ignition Coils
How to test and replace a bad coil pack.
Chevrolet Silverado 1500
2019-2024 Chevrolet Silverado - Check Engine Light
What that light means and what to check first.
General diagnostic information, not a factory service procedure. If you're unsure, have a qualified technician confirm the diagnosis before buying parts.