2006 Isuzu Ascender Fuel system Problems
- Complaints
- 13about this part
- Share
- 41%of 32 total for the year
- Median mileage
- 71,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 13 complaints about the fuel system of the 2006 Isuzu Ascender, 41% of the 32 complaints for this model year. Where a mileage was given, the median is 71,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“May 2009 isuzi Ascender I took to the dealer they replaced the entire fuse panel located under the back seat for electrical issues. Prior to that I had a bearing in the engine go out 2008. Now as of feb 2010 my fuel level sensor has now gone out. This is several issues with a vehicle I purchased new 8-2006 and have had multiple problems with it.”
NHTSA complaint #10322654, filed 2010-03, 47,000 miles“We bought this 06 accender and at about 35,000 + miles the fuel sensor gave out on my vehicle and the check engine light comes on . It will costme close to 700 dlls to get fixed. I also have a co-worker with an 06 as well and is having the same issues as I am.”
NHTSA complaint #10443338, filed 2012-01, 35,000 miles“I was driving at over 60 miles in a very busy highway and all of a sudden my Isuzu Ascender 2006 SUV slowed to 40 miles and it felt it was going to just stop. I freak out and try to give it gas and nothing happen. Finally I tried to move to the right side to avoid an accident and possible death,while doing this I felt it shifted and started taking speed again got of the highway and took the back roads to get home. I was a nervous wreck by the time I got to my house. …”
NHTSA complaint #10478849, filed 2012-10, 61,000 miles“This vehicle is a rebadged gmc envoy/chevy trailblazer and like many of these vehicles, the fuel level sensor (fuel level sender) no longer works. Other vehicles using this platform (called 360) are the buick ranier, saab 9-7x, and oldsmobile bravado. Gm sold its interest in Isuzu and no longer seems to accept any responsibility for the vehicles it manufactured, in fact, the closest Isuzu service center is 80 miles away. …”
NHTSA complaint #10459392, filed 2012-05, 70,000 miles“Faulty fuel level sending unit, the fuel gauge read between an 1/8 and 1/4 tank. The vehicle stalled out in a busy intersection. After filling the tank back up the gauge would be very sporadic and now does not work at all. This seems to be a large problem with GM fuels levels sending units.”
NHTSA complaint #10376974, filed 2011-01, 72,000 milesRelated service bulletins
- 10137901May 9, 2014This informational bulletin provides the technician with information on what E85 fuel may due to a non E85 vehicle.
- 10053491Jul 1, 2013Isuzu: fuel lever sensor special policy adjustment. Contacts may wear prematurely. This may cause the gauge to read empty even after filling the fuel tank. Malfunction indicator…
- 10021356Jun 1, 2007Various driveability symptoms due to clogged fuel injectors, mil dtc's p0171, p0172, p0174, p0300, p1174, and p1175. *kb updated 08-03-07.
Fuel system: other model years
Other parts of the 2006 Isuzu Ascender
9 complaintsExterior lighting
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsOther or unknown
3 complaintsElectronic stability control
2 complaintsEngine cooling
2 complaintsTransmission and drivetrain
2 complaintsAir bags
1 complaintsEngine
1 complaintsLatches, locks and linkages
1 complaintsSeat belts
1 complaintsSeats
1 complaints
← All problems reported for the 2006 Isuzu Ascender
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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