One problem related to check engine light on has been reported for the 2009 Chevrolet Equinox. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Chevrolet Equinox based on all problems reported for the 2009 Equinox.
Upon making a left turn from highway into parking lot, approximate speed 15-20mph, the stabilitrak illuminated, then the message power has been reduced, which was what was happening and the check engine light illuminated. Got vehicle parked and shut engine off. Let vehicle rest for 30 minutes. Started vehicle, after normal dashboard sequence, check engine light regmained on, stabilitrak light came on briefly. Was able to drive vehicle with some reduced handling, engine light remained on. After vehicle sat for 2 days, went back out to take to dealer, however, check engine light went off, no stabilitrak message lit up. Vehicle has performed well for past 2 weeks, with some minor hesitations.