2011 Nissan Altima: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 44 owner complaints for the 2011 Nissan Altima that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11741855 (filed 06/03/2026): “What component or system failed or malfunctioned, and is it available for inspection upon request? the engine control module (ecm) is malfunctioning, triggering persistent p0101 codes related to the mass air flow (maf) sensor. this specific issue is addressed in nissan technical service bulletin de9…”
- NHTSA complaint ODI #11673091 (filed 07/12/2025): “This is the second nissan altima iv owed an the problem eatch one iv had is that were the idler tensioner pully gose and bolts to brakes so there for you cant put the idler tensioner pully back on…”
- NHTSA complaint ODI #11671150 (filed 07/03/2025): “What component or system failed or malfunctioned, and is it available for inspection upon request? the engine control module (ecm) is malfunctioning, triggering persistent p0101 codes related to the mass air flow (maf) sensor. this specific issue is addressed in nissan technical service bulletin de9…”
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.
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