Blog/FAQ

The Dead Pedal Trap: Why Your GMC Sierra Hesita...

Does your GMC Sierra hesitate for a terrifying full second when you try to merge onto the highway? Your V8 isn't slow; it is electronically restrained! The factory "Fly-by-Wire" gas...

The V4 Lifter Trap: Why Active Fuel Management ...

Is your GMC Sierra vibrating on the highway or suffering from terrible exhaust drone? Your truck is dropping into V4 mode! The factory Active Fuel Management (AFM) system shuts down...

The Over-Oiling Trap: Why Your Sierra is Throwi...

Did you just clean your washable air filter, and now your GMC Sierra is throwing a Check Engine Light? You probably used too much oil! If you saturate a cotton...

The Engine Displacement Trap: Why Your New Inta...

Did you just order a cold air intake for your GMC Sierra Denali without verifying your engine size? Stop before you tear your truck apart! The 5.3L and 6.2L V8...

The V4 Mode Trap: Why Active Fuel Management is...

Does your GMC Sierra hesitate when you step on the gas to pass someone on the highway? Stop waiting for the truck to wake up! Your Sierra's Active Fuel Management...

The Halogen vs. LED Trap: Why Your New Sierra T...

Did you just unbolt your GMC Sierra's tail lights only to realize your expensive new aftermarket LED assemblies won't plug into the factory wiring harness? Stop trying to force the...