Challenger Mod Blog
Expert guides, safety tips, and build advice for your 2022 Dodge Challenger.
How-To
Challenger Coil Pack and Ignition Coil Replacement Guide
Failing ignition coils cause misfires and rough idle. Here's how to diagnose and replace them on the HEMI.
Apr 18, 2026
ignition-coil, COP
How-To
Challenger Cold Start Issues: Why It Idles Rough Until Warm
A rough cold start on the Challenger is usually normal engine behavior — but sometimes it signals a real problem. Here's how to tell the difference.
Apr 18, 2026
cold-start, rough-idle