WHILE TAKING MY KIDS TO SCHOOL THIS MORNING, THE ENGINE SHUTOFF SHUT OFF WITH NO INDICATION AT ALL. WE WERE STARTING TO SLOW DOWN TO TURN THE CORNER TO HEAD TO THE SCHOOL WHEN THIS INCIDENT OCCURRED. WE HAVE HAD SEVERAL COMPONENTS (BATTERY, IGNITION SWITCH, ALTERNATOR, STARTER RELAY) CHANGED OUT THE FIXED THE ENGINE LIGHT, BUT THE ENGINE CONTINUES TO STALL. I HAVE SEEN OVER 500 OTHER PEOPLE WITH …
2007 Chevrolet Trailblazer engine problems
severe 24 complaints filed with NHTSA · avg repair $3,100
Complaints
24
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 2 most recent
TL* THE CONTACT OWNS A 2007 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE TRANSMISSION WOULD NOT SHIFT GEARS PROPERLY AND THE VEHICLE JERKED. THE VEHICLE WAS TAKEN TO A DEALER, WHO DIAGNOSED THAT THE THROTTLE POSITION SENSOR NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 65,000…
Common questions
How serious is the engine problem on the 2007 Chevrolet Trailblazer?
It's a meaningful issue. 24 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
Some links on this page are affiliate links.