The Check Engine light may indicate a serious issue with your Cummins diesel engine. Here's how to check and clear the fault codes triggering that light.

If your vehicle is throwing a check engine light, but you don't have a diagnostic scanner handy, here are three tricks to try before seeing a mechanic.

Think twice before erasing trouble codes because it has negative, irreversible consequences for vehicle owners and service professionals alike. Clearing one or more fault codes pleases a motorist ...

Someone connects a scan tool or trouble code reader to a vehicle, extracts trouble codes and then erases them. This shows the trouble code definition and turns out that annoying Check Engine light—if ...