Modern vehicles are more connected and complex than ever, but that doesn’t mean you have to visit a dealership every tim ...

We typically monitor the tachometer when performing the mag check during the run-up. Parameters vary, but they often specify a maximum 150 rpm drop when running on one or the other mag, with a maximum ...

The battery indicator in your dashboard, much like the check engine light, is vague. It may be nothing serious, or it could necessitate an immediate fix.

These symbols, often called "idiot lights," are aimed at being easy to understand. But for many drivers, young and old alike, it's not that easy.

Simple dipstick test reveals engine-killing problems in 5 seconds, spotting coolant leaks and oil contamination before dashboard warnings appear.

There’s some light tinkering involved, and it’s not exactly elegant. But it works, which could be a huge win this winter.

Bosch Diagnostics has updated its scan tool software to include 2026 vehicle models, while also expanding coverage on 2024 and 2025 models, according to a recent press release.  The updates ...