Challenger Mod Blog
Expert guides, safety tips, and build advice for your 2022 Dodge Challenger.
How-To
Why Is My Challenger Getting Bad Gas Mileage? Diagnosis Guide
The HEMI isn't known for sipping fuel, but if your Challenger is getting noticeably worse mileage than expected, something is wrong. Here's how to diagnose the most common causes.
Apr 18, 2026
gas mileage, MPG
How-To
Why Does My Challenger Idle Rough When Cold? Common Causes and Fixes
A rough, lumpy cold idle on the Challenger can be alarming — especially if it started after mods. Here's how to distinguish between normal cold-start behavior, MDS quirks, and actual problems that need fixing.
Apr 18, 2026
rough idle, cold start
How-To
Steering Wheel Vibration on the Challenger: Causes and Fixes
Steering wheel vibration is one of the most common concerns on any car — and the Challenger has a few specific causes. Here's how to diagnose what's actually shaking and how to fix it.
Apr 18, 2026
steering wheel vibration, wheel balance
How-To
Challenger Wheel Bearing: Symptoms, Diagnosis, and Replacement
A bad wheel bearing makes a distinctive noise that gets worse at speed. Here's how to diagnose and fix it.
Apr 18, 2026
wheel-bearing, noise
Buyer's Guide
Short-Term and Long-Term Fuel Trims: What They Tell You About Your Engine
STFT and LTFT values in your OBD data reveal whether your engine is running rich, lean, and why.
Apr 18, 2026
fuel-trims, STFT
How-To
Steering Column and Steering Rack Issues on the Challenger
Clunking, binding, and wandering steering are common complaints. Here's how to diagnose and fix them.
Apr 18, 2026
steering, clunk
How-To
Challenger Interior Rattle and Noise Diagnosis Guide
Interior rattles are one of the most frustrating Challenger ownership experiences. Here's a systematic approach to finding and fixing them.
Apr 18, 2026
rattle, noise
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 Suspension Noise: Diagnosing Clunks, Squeaks, and Creaks
Front and rear suspension noises are common as the Challenger ages. Here's how to find and fix them.
Apr 18, 2026
suspension, noise
How-To
Challenger AC Troubleshooting: Not Cooling, Weak Flow, and Compressor Issues
AC problems in a Challenger range from minor refrigerant loss to compressor failure. Here's how to diagnose each.
Apr 18, 2026
AC, air-conditioning
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