ECU tuning is the art of reprogramming your car’s brain to unlock extra performance, better throttle response, or improved fuel efficiency. By adjusting parameters like fuel injection, ignition timing ...

General Motors has issued a service update for certain units of the refreshed GMC Sierra 1500 pickup equipped with the 3.0L I6 LZ0 turbodiesel Duramax engine and non-ETRS transmission due to a problem ...

Certain units of the 2023 through 2024 GMC Sierra 1500 pickup motivated by the turbocharged 2.7L I4 L3B gasoline engine are included in a new GM Service Update containing a fix available for a fuel ...

Chris Backlund scoured the Internet for months looking for someone to reprogram his engine’s electronic control module. The Fort Collins, Colo., resident hauls asphalt and road base in varied terrain ...