Check-engine lights, also known as Malfunction Indicator Lamps (MIL), appear for a reason-specifically when an engine is operating outside of its normal emissions parameters. When that light flashes, ...

Some 2008-12 Accord and Odyssey, 2009-12 Pilot and 2010-12 Crosstour models (all with V6 engines) may intermittently turn on the check engine light and log trouble code P3400 and/or P3497 in the PCM.

If you own a Honda from 2005 or later, chances are you've used (or at least been notified by) the company's Maintenance Minder system at some point — which includes a letter and number, preceded by a ...

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 ...

In the last Diagnostics episode, we outlined the vital information provided by compression and leakdown testing and illustrated how to use these most important tools. These tests reveal the internal ...