PCM vs ECM vs ECU vs TCM (What’s the Difference?)

Before vehicle computers were invented, cars and trucks used a system of mechanical and pneumatic devices to manage systems like valve timing and idle speed. Now, modern vehicles have a posh system of sensors and actuators connected to computers which enable the vehicles to perform well and efficiently. These electronics are confusing enough without adding …

P0014 Code (Symptoms, Causes, and How to Fix)

A vehicle’s variable valve timing (VVT) system improves engine performance and fuel efficiency. It regulates the opening and shutting of the exhaust and intake valves, in turn, controlling the fuel-air mix. This control allows for more power, better fuel economy, or a balanced approach counting on the demand on the engine at any given time. …

What Does AMG Mean on a Mercedes? (and Which Vehicles Have an AMG Version)

Have you seen a Mercedes rolling around, but it’s a little… off? Yeah, it’s sort of a Mercedes still, but there’s something different, something a touch more special about it. Then, before you recognize it, it flies with a guttural THWUMPERRRR and it’s such a lot faster than you expected. you’ll also notice there are …

“Service AdvanceTrac” Warning Light (What it is and How to Reset)

If you’re the owner of a Ford vehicle, you would possibly have come to note a curious, yet somewhat concerning message displayed upon your car, truck, or SUV’s dash. Ford owners the planet over are greeted by a “Service AdvanceTrac” message at one point or another during daily commutes. AdvanceTrac problems are commonly descraibed by Ford vehicle owners, and even the company’s most prestigious models, …