Dodge HEMI Fuel Injectors

This bulletin applies to 2021 Dodge Durango, Charger, and Challenger vehicles built on or after March 16, 2021, and on or before August 11, 2021, equipped with the 6.4L V8 SRT Hemi engine.

Oct. 29, 2025

This bulletin applies to 2021 Dodge Durango, Charger, and Challenger vehicles built on or after March 16, 2021, and on or before August 11, 2021, equipped with the 6.4L V8 SRT Hemi engine. The MIL may be on, with multiple cylinder misfire and/or individual cylinder misfire DTCs set.

Lift the engine cover retaining grommets off the ball studs and remove the engine covers.

Remove the fuel rail injector covers.

Inspect the Julian date on both fuel rails. If the Julian date starts with 62M, 63M, or 64M, inspect all eight fuel injector Julian dates. If any of the fuel injector Julian dates are between M058A05490 and M058A05823, replace the fuel injectors that are dated within that range.