2012 Toyota Tundra: Secondary air injection system failed
Common wear/failure (not a recall)
Symptoms
Owners of the 2012 Tundra report: secondary air injection system failed. CarComplaints.com lists 3 owner complaints, average mileage 75,200 miles.
NHTSA has 60 owner complaints for the 2012 Tundra in this area. 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 i…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: none clearly reported. Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $4,010 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
- CarComplaints.com: Secondary air injection system failed (2012 Tundra)
- NHTSA complaints API, 2012 Tundra
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