Your fuel economy is getting worse most commonly from underinflated tyres, a clogged air filter, worn spark plugs, a faulty oxygen sensor, or a change in driving habits. A single underinflated tyre ...

Most drivers think the OBD-II port is only for check engine lights, but the right scanner can unlock live vehicle data and deeper diagnostics.

It started the way a lot of truck problems start: not with a dramatic breakdown, but with an annoying little vibe you can’t un-feel. At stoplights the engine would stumble, the RPM needle would wobble ...