2012 Toyota Tundra: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 60 owner complaints for the 2012 Toyota Tundra that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11607293 (filed 08/08/2024): “Wife was driving truck and immediately went into limp mode on the highway. check engine light came on, no accelerating then died. had to get it towed. this is the 3rd incident with this issue.…”
- NHTSA complaint ODI #11522694 (filed 05/18/2023): “The contact owns a 2012 toyota tundra. the contact stated that while plowing his driveway, there was an abnormal burning odor detected. the vehicle suddenly lost power. there were no warning lights illuminated. the vehicle was towed to the local dealer where it was diagnosed and determined that oil …”
- NHTSA complaint ODI #11500345 (filed 01/05/2023): “The contact owns a 2012 toyota tundra. the contact stated while starting the vehicle, the check engine warning light was illuminated. the contact stated that the light stayed illuminated while driving. the contact had taken the vehicle to an independent certified mechanic where it was diagnosed and …”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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Sources
Page last updated .