P0306 Code: 2022 Infiniti Q50 – What It Means & Cost to Fix

P0306 Code on 2022 Infiniti Q50: Cylinder 6 Misfire Diagnosis for the V6

A P0306 diagnostic trouble code on your 2022 Infiniti Q50 indicates a misfire detected on cylinder 6. The Q50's 3.0L twin-turbocharged V6 engine (VR30DDTT) produces up to 400 horsepower in Red Sport guise, making this code completely valid for your vehicle.

2022 Q50 Engine Options

The 2022 Infiniti Q50 offers:

  • Q50 Pure/Luxe: 3.0L twin-turbo V6 (300 hp)
  • Q50 Red Sport 400: 3.0L twin-turbo V6 (400 hp)

Both variants use the same VR30DDTT engine with different tuning, so P0306 is valid for all 2022 Q50 models.

Common Causes of P0306

  • Ignition Coil Failure: Turbo heat accelerates coil degradation
  • Spark Plug Wear: Turbocharged engines are demanding on plugs
  • Direct Injector Issues: Carbon buildup or mechanical failure
  • Turbo/Boost Leaks: Air leaks in charge system
  • Carbon Buildup: Intake valve deposits
  • Mechanical Issues: Low compression from internal wear
Parts & Tools for This Case

Based on our investigation, these parts may be needed for this repair.

As an affiliate, we may earn from qualifying purchases. This does not affect our recommendations. Learn more

Got Another Mystery?

"The game is afoot!" Let our AI detective investigate your next automotive case.

Open a New Case