We may receive a commission on purchases made from links. Owning a vehicle is an expensive undertaking, especially with the cost of gas on the rise again. Repairs can also be costly and difficult to ...

With an ignition and electrical system analyzer, timing light and vacuum gauge—such as these Penske units from Sears, Roebuck and Company—normal tuning, troubleshooting and a number of not-so-normal ...

As a purely mechanical device, the carburetor occasionally goes out of tune, usually because the adjustment screw gets loose ...

It doesn't seem so long ago that cars and trucks needed regular tune-ups. When cars were more analog than digital and couldn't self-diagnose problems, they required frequent adjustments. These ...