Problems · by component
2005 Chevrolet Trailblazer engine problems
35 owner complaints to NHTSA about the 2005 Chevrolet Trailblazer cite engine, 2% of all 1,734 complaints for this model year.
Complaints
35
2% of all complaints
Crashes
2
Reported by owners
Fires
3
Reported by owners
Injuries
1
Reported by owners
What owners say about the engine
Verbatim from NHTSA complaints, newest first
“The contact owns a 2005 Chevrolet Trailblazer. The contact stated that after his wife had parked the vehicle at a high school parking lot, a passerby heard a clicking noise and saw smoke coming from the vehicle before the vehicle caught-on fire. The fire started in the engine compartment. The fire department was contacted and arrived and extinguished the fire. The contact was unaware if a fire report was filed. The vehicle was towed from the scene to a holding lot. The vehicle was not repaired. The manufacturer was not contacted or notified of the failure. The approximate failure mileage 63,000.”
“TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 60 MPH, THE VEHICLE DECELERATED TO 30 MPH AND SHUT DOWN AT A SLIGHT ELEVATION. IN ADDITION, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE FAILURE OCCURRED TWO DAYS AFTER THE VEHICLE WAS PURCHASED FROM AN INDEPENDENT MECHANIC. THE CONTACT CALLED THE MECHANIC AND WAS INFORMED THAT THE VEHICLE WOULD BE PICKED UP FOR DIAGNOSTIC TESTING. THE VEHICLE WAS NOT REPAIRED. THE DEALER WAS NOT CALLED AND THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 173,000.”
“VEHICLE ENGINE STALLS WHILE DRIVING. THE CAR SHUTS OFF WITHOUT WARNING. THIS IS DANGEROUS AND NOT SAFE! I SHUT OFF WHILE DRIVING ON THE HIGHWAY AND WHEN I WAS ABLE TO GET IT OFF THE HIGHWAY, IT STOPPED IN THE CITY. REPLACED THE ELECTRICAL BODY PER THE DIAGNOSIS AND STILL EXPERIENCING THIS ISSUE”
“SINCE THE PURCHASE MY TB ENGINE WILL STOP WHEN AC AND HEATER IS ON ON STOP LIGHT, THAT IT WAS DELAYING WHILE DRIVING. IT GOT WORSE AFTER "WARRANTY WAS OUT, I BELIEVE IN JULY 2007.NO ONE CAN FIND THE CAUSE, BUT THINKING ITS ALL SYSTEM FAULTY., ENGINE, ELECTRONICS, FANS. COULD I AFFORD A NEW CAR, I WOULD NOT KEEP THIS CAR, AS NOW I KNOW IT WAS THE WORSE YEAR MAKING OF ALL. NOW I ONLY PRAY TO STAY ALIVE WHILE DRIVING AND NOT GET INTO SOME BEYOND MY CONTROL BUT FAULTY GM MODEL MAKERS”
“TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. WHILE DRIVING AT 50 MPH, THE VEHICLE SUDDENLY REDUCED SPEED TO 20 MPH AND JERKED ABRUPTLY. IN ADDITION, THE REDUCED ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC, BUT WAS NOT DIAGNOSED OR REPAIRED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS CONTACTED AND DID NOT ASSIST. THE APPROXIMATE FAILURE MILEAGE WAS 115,000.”
“VEHICLE SHUTS OFF WHEN SITTING IDLE OR WHEN CHANGING BETWEEN THE GAS AND BRAKES. I WAS HIT IN THE REAR THIS MORNING WHILE SITTING IN TRAFFIC. THANKFULLY NEITHER VEHICLE WAS DAMAGED. I GOOGLED THIS ISSUE A D THERE ARE THOUSANDS OF ISSUES.”
Showing 6 of 35 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.