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

Onboard diagnostics (OBD) systems have been around since the 1980s and were developed to help limit harmful automotive exhaust emissions. Between 1988 and 1995, U.S.-built vehicles came with what's ...

"At some point," said Maurice Tuff, "your check-engine light will come on. Every vehicle that I've owned, the check-engine light has come on." And for Tuff, that dreaded light has shined not only in ...