When your 2020 Dodge Durango displays diagnostic trouble code P0306, the engine control module has detected misfires in cylinder 6. The 2020 Durango offers V6 and V8 engines, all with six or more cylinders, making P0306 a valid diagnostic code.
2020 Durango Engine Options
The 2020 Dodge Durango offers the 3.6-liter Pentastar V6 (295 hp), 5.7-liter HEMI V8 (360 hp), and 6.4-liter HEMI V8 in SRT models (475 hp). All engines have six or more cylinders.
MDS on V8 Models
HEMI V8 Durangos feature Multi-Displacement System that deactivates cylinders including #6. MDS issues can cause misfire symptoms during cylinder deactivation transitions.
Common Causes
Ignition coil failure, spark plug wear, MDS lifter problems on V8, and fuel injector issues are typical causes across Durango engine options.