One problem related to gas recirculation valve (egr valve) has been reported for the 2011 GMC Terrain. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 GMC Terrain based on all problems reported for the 2011 Terrain.
Diagnosed with oil consumption problem, p0014 code for check engine light, showing 10 degrees on scanner, recommended timing chain alignment, my car shut off while driving it, GMC has class action lawsuit, told me my VIN was eligible for it, but will not let me submit a claim, I have owned this car for a year, constant oil changes about every 2 months.