Engine sputtered and vehicle cut off while coming to a stop in parking lot. Towed to dealer who reset engine light (reported engine control system error) but could not replicate issue. Returned after 12 days replacing intake cam solenoid.
Service Soon Light On (check engine). Found lean codes in memory, inspected engine for vacuum leak S. found dip stick tube not sealed properly. Repaired and road tested vehicle
SES Light IS On
J5672 .8 OHL .9 DIAG
SMOKE TEST EVAP, FUEL SYSTEM. INTAKE GASKETS. NO LEAKS DETEC. RELPALCED MASS AIR FLOW SENSOR. REPLACED THE SENSOR AND ROAD TESTED VEHICLE.
Service engine soon light came on. Same rattling noise. GM tech support still does not know how to fix cleared code and reprogramed computer for start up fuel to air mixture.
Engine stalling. GM didnt know how to fix, replaced cam actuator. Makes rattling noise when it starts.
Gm cant figure out how to solve problem. Loud rattle from motor when it starts. Sounds like a diesel engine starting. car stalls out on trip. GM cant fix and cant get to replicate
rattling noise on startup..couldnt dupicate. ordering parts to do a tech bulletin.
parts installed (actuators-cam) still have the same issue check engine light,rough idle. stalled once.
GM called me that they had a repair for the Rattling startup noise that I have had for 6 months and 4 past unsuccessful visits. Said it was the Oil pump and needed to replace. Dealer replaced the oil pump per GM..the rattling came back.
rattling startup noise issue still..in the repair shop at dealer for Final repair attempt per the lemon law, with GM
Received financial settlement from GM. Kept the Terrain, living with the noise. Update: traded it for a 2012 with the V6. reoccurring check engine light several times in the last week of ownership (codes related to cam/rattling startup)