There are 2 stored owner reports matching the engine leading-label group for the 2009 GMC Envoy in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)The contact owns a 2009 GMC Envoy. The contact stated that while driving at an undisclosed speed, the service stabili-trak warning light illuminated. The contact stated that while depressing the accelerator pedal, the vehicle filed accelerate as intended. The contact stated that the failure occurred intermittently. The vehicle was taken to an independent mechanic, but the failure could not be duplicated. Additionally, the contact stated that the battery was drained. The contact stated that the failure had occurred several times previously. The contact stated the battery was charged. The vehicle was taken to an independent mechanic where it was diagnosed with a peracetic battery drain, the battery needed to be replaced. The vehicle was repaired. The failure reoccurred. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 145,000.
ONLY 8 YEARS OLD AND 140,000 MILES THE EXHAUST MANIFOLD HAS CRACKED ALLOWING EXHAUST FUMES TO ENTER THE INTERIOR OF THE CAR. I HAVE HAD NO ACCIDENTS WITH THIS CAR AND I SEE NO REASON WHY THE MANIFOLD SHOULD CRACK. I HAVE HAD CARS LONGER THEN THIS THAT NEVER HAD THIS PROBLEM. MANIFOLDS SHOULD NOT JUST CRACK.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.