Dorman Products and Diesel Laptops have launched a smartphone-enabled scan tool device that provides heavy-duty truck diagnostics for North American makes and models. The Diesel Decoder plugs into the ...

Your check engine light can come on a host of reasons, ranging from a loose gas cap to a faulty engine component. If you see a light illuminated on your dashboard, you can use an OBD2 scanner to ...

In 1976, Chrysler ushered in the computer engine management system era with their Electronic Lean Burn 400 4-bbl. This early computerized spark-advance control system was developed to make the engine ...