GM issues a service update for 2025-2026 Chevy Silverado and Express models to replace the fuel pump power control module, ...

Remember the good ol' Chevrolet Volt? A trailblazer when it came out, GM's range-extender PHEV is also remembered by the National Highway Traffic Safety Administration. More specifically, the Office ...

Early model years of the Chevy Silverado EV, Chevy Blazer EV, and BrightDrop electric commercial vans need a battery energy ...

The ignition control module is a crucial component of a vehicle's ignition system. It is a control unit responsible for regulating the ignition timing and generating sparks to ignite the fuel-air ...

Q: My 2002 Buick LeSabre has 98,887 miles on it. Its ignition control module is failing. Since 2014 I have replaced it three times. Can you please tell why my control module keeps failing? It stops ...

This topic focuses on the various recalls and safety issues associated with General Motors (GM) vehicles. It highlights numerous instances where GM has had to recall vehicles due to defects ranging ...

On certain passenger vehicles equipped with electronic column lock systems (ECL), when the ignition switch is turned to LOCK the ECL prevents turning of the steering system. When the vehicle is ...

It's no mistake that there are two stories featuring my '75 C10 clone of the '79 C10 Americruise truck in this issue, and that they both have to do with controlling the delivery of fuel to the truck's ...

At GMHTP, we cater to all years of GM EFI muscle, and the LT1-powered GMs are no exception. Though today overshadowed by the much-adored LS1 and LS6, the LT1 can be made to run with many of the newer ...

Have you ever wondered why GM, Ford, and Chrysler converted from distributors to distributorless ignition systems (DIS)? Sure, they eliminated the whirling mechanical device that spins a rotor that ...