2005 Chevrolet Trailblazer EXT 370 Fuel system Problems
- Complaints
- 94about this part
- Share
- 40%of 237 total for the year
- Median mileage
- 68,000miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 94 complaints about the fuel system of the 2005 Chevrolet Trailblazer EXT 370, 40% of the 237 complaints for this model year. Where a mileage was given, the median is 68,000 miles. 1 of these say a crash was involved, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Today, 02/28/2012, I noticed that the fuel gauge on my 2005 Chevrolet trailblazer ext was fluctuating between half full and full after adding 19 gallons of gas to the truck. This is the first time I have noticed this problem and am aware that many other individuals have had this problem on their trailblazers. I am hoping there will be a recall in the near future.”
NHTSA complaint #10449650, filed 2012-02, 73,313 miles“I have a 2005 chevy trailblazer ext... My fuel tank light came on and never went off I would fill my tank up and it would never go off. I ended up having to take this in and paid 1000.00 for a new fuel tank... I have been researching and this is a very extremely common thing on chevy trailblazer's... It was right about 75,000 miles that this happened.”
NHTSA complaint #10396974, filed 2011-04, 75,000 miles“My 2005 Chevrolet trailblazer gas gauge doesn't work properly. I never know how much fuel I have in my tank because the the gauge goes up and down like crazy. Sometimes when I know I have less than half a tank of gas due to the miles I've driven it says that it's full. Other times right after a fill up it will say that it's empty.”
NHTSA complaint #10414045, filed 2011-07, 95,000 miles“I have had the following problems with my 2005 chevy trailblazer ext ls: 2008: fuel sensor failure, running board fell off 2009: head and tail lights going out frequently, windows would get stuck- could not go up or down- all dash lights flashing, car stalling out- needed circuit board replaced. Anti-theft non-functioning. …”
NHTSA complaint #10376545, filed 2011-01, 74,000 miles“My 2005 chevy trailblazer fuel gauge does not work. It says its empty when I fill the tank and any other time for that matter. I have to use the fuel used data in the driver information center to figure how much fuel was used to know when to fill up. Then I reset it everytime I fill up. Very dissapointing.”
NHTSA complaint #10414767, filed 2011-07, 80,000 milesRelated service bulletins
- 11004761Jun 28, 2024This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or…
- 10171878Jan 2, 2020This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended…
- 10114183Jul 19, 201310054E - Special Coverage (customer co-pay discontinued). The contacts on the fuel level sensor may wear prematurely. This wear could cause the fuel gauge to read empty after…
- 10246579Jul 1, 2013Special Coverage Adjustment - Fuel Level Sensor Contact Wear
- 10041526Jul 1, 2013Buick/chevrolet/gmc: see document search button for owner letter. Fuel level sensor contact wear may be premature. *pe updated 10/5/11. *pe updated 12/5/11. *pe updated 12/6/11…
Fuel system: other model years
Other parts of the 2005 Chevrolet Trailblazer EXT 370
101 complaintsExterior lighting
15 complaintsVisibility (wipers, defrost, mirrors)
12 complaintsEngine cooling
10 complaintsVehicle speed control
8 complaintsAir bags
7 complaintsBody and structure
6 complaintsTires
5 complaintsTransmission and drivetrain
5 complaintsEngine
4 complaintsEquipment
4 complaintsLatches, locks and linkages
4 complaints
← All problems reported for the 2005 Chevrolet Trailblazer EXT 370
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology