For starters, it hardwired the connection from the turbo air control valve to the ECM so that it could no longer shake free and lose its connection as a result of over-the-road vibrations. It also ...

The most common culprit is carbon buildup on the throttle body, exhaust gas recirculation (EGR) valve and idle air control (IAC) valve. Here well show you how to clean an EGR valve. This simple ...