The Best 2006 Chevy Equinox Rough Idle Check Engine Light References. It can run too lean or. Web there are three different approaches to resetting the check engine warning light on a chevy equinox:

Keeping in mind that any engine needs air, fuel, and spark for ignition, your chevy equinox’s fuel system can often cause the engine to misfire. Web a leaking injector can cause the check engine light to flash. It’s a warning light that alerts the driver about any type of engine problems.