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Fuel systemPart report

2005 Pontiac Aztek Fuel system Problems

Complaints
7about this part
Share
21%of 34 total for the year
Median mileage
91,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 7 complaints about the fuel system of the 2005 Pontiac Aztek, 21% of the 34 complaints for this model year. Where a mileage was given, the median is 91,000 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.

“My 2005 Pontiac aztec fuel gauge has quit working properly. I never know when I start the vehicle if it will work or not. It may show empty it may go past empty and sometimes it working properly. I have done some research and the seems to be a problem with all aztecs.”

NHTSA complaint #10256834, filed 2009-01, 54,000 miles

“A couple of days after purchasing the vehicle I noticed very strong odor of gas inside vehicle while in motion and it got noticeably stronger while idling. Took to dealer and they checked it placed me in a loaner. Could not find a problem. This occurred 2 more times over the course of the next week.they repaired what they believed to be the problem but I was back in less than 48 hours later and in another loaner. 4 technicians and 2 service managers later,the bottom half of the engine had to be rebuilt due to a fuel leak due to a faulty o-ring. …”

NHTSA complaint #10593326, filed 2014-05, 91,000 miles

“I purchased this car used. When I first purchased it, I smelled an strong odor of gas/fuel. When I researched the car on the internet, the search revealed there was a recall on the fuel system of the 2005 Pontiac Aztek. After reading more in detail about the recall, the search found that the fuel pressure regulator were produced without an o'ring and retainer, which caused the fuel to leak. I took my car to the dealership to be checked. They found that fuel was leaking and the fuel pressure regulator had to be replaced and the throttle body was choking. …”

NHTSA complaint #10482386, filed 2012-10, 153,355 miles

“There was a strong fuel odor coming in the interior and the exterior of the vehicle. The vehicle was taken to a local mechanic but they could not detect if there was a fuel leak or why the fuel odor was so strong. This only seem to happen in the cold weather months the smelll is a lot stronger when the car is not moving but still running in traffic or warming up or at a stop light.”

NHTSA complaint #10552434, filed 2013-11, 100,000 miles

“Fuel level indicator erratic with half tank or less. When this occurs and the vehicle is moving downhill, it stalls. Dealer replaced fuel sender and/or pump assembly. Same thing happened 9 days later.”

NHTSA complaint #10121751, filed 2005-05, 3,250 miles

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
2005721%
20041624%
20033628%
20022722%
20013918%

Other parts of the 2005 Pontiac Aztek

Electrical system
9 complaintsEngine
4 complaintsTransmission and drivetrain
4 complaintsBrakes
3 complaintsVehicle speed control
3 complaintsAir bags
2 complaintsOther or unknown
2 complaintsSeats
2 complaintsSteering
2 complaintsWheels
2 complaintsEngine cooling
1 complaintsExterior lighting
1 complaints

← All problems reported for the 2005 Pontiac Aztek

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