2012 Toyota Tundra Fuel System Problems
NHTSA lists 27 fuel system complaints for the 2012 Toyota Tundra, 17% of its 155 total complaints for the year, with a median failure mileage of 76,930 miles. No related recall is listed in NHTSA data for this issue.
- Fuel System complaints
- 27
- 17% of 155
- Crashes reported
- 0
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- 76,930 mi
- Related recalls
- 0
Typical fuel system symptoms owners report
- Owners report the secondary air injection valve or pump failing, triggering the check engine and trac-off lights and causing the truck to enter limp mode with a major loss of power.
- Some drivers say the vehicle could not exceed roughly 45 to 60 mph after the secondary air system failed, occurring both in city driving and on the highway.
- Several owners describe the fuel pump failing outright, causing the truck to stall or die suddenly with warning lights appearing beforehand.
- One owner reported a fuel leak and fuel odor while accelerating from a stop, later traced to the fuel tank valve assembly.
- A separate complaint describes flex-fuel models misreading ethanol content, leading to rough cold starts, power loss, and sudden RPM drops.
When 2012 Toyota Tundra fuel system complaints were filed
First complaint Mar 5, 2013, latest Sep 10, 2024.
Fuel System recalls for the 2012 Toyota Tundra
No safety recalls on record for this model year.
Fuel System complaints by Tundra model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many fuel system complaints does NHTSA have for the 2012 Toyota Tundra?
- NHTSA lists 27 fuel system complaints for the 2012 Tundra, which is 17% of the 155 total complaints filed for that model year.
- Is there a recall for the 2012 Toyota Tundra fuel system?
- No related recall is listed in the NHTSA data provided for this fuel system issue.
- At what mileage do fuel system problems typically show up on the 2012 Tundra?
- The median mileage at failure reported to NHTSA for this issue is 76,930 miles.
- What is the most common fuel system complaint on the 2012 Tundra?
- Owners most often describe the secondary air injection valve or pump failing, which triggers limp mode and a significant loss of power.
- Were there any crashes, fires, or injuries linked to these complaints?
- NHTSA data shows 0 crashes, 0 fires, and 0 injuries reported among these 27 fuel system complaints.