P0101 on Nissan Pathfinder
Mass or Volume Air Flow Sensor A Circuit Range/Performance
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Nissan Pathfinder context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0101.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P0101 Means on Your Nissan Pathfinder
P0101 is a diagnostic trouble code indicating: Mass or Volume Air Flow Sensor A Circuit Range/Performance. This code relates to the fuel and air metering system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Nissan Pathfinder Owner Reports
Source: NHTSA Complaints Database
"1. CODE P0101 not removed after replacing MAF sensor. 2. power steering motor is annoying noise, high pitched sound."
"The Check Engine light turned on and took it to dealership on 12/14/24 and they stated that Throttle chamber may have issues. Used scanner and code P0101- Mass Air Flow Sensor Circuit was read on scanner."
"Last Nov.10 after my oil change to Nissan Van nuys Dealership within less than a mile, i got terrible experience,The Car was stop in the middle of the road and a red Solid oil pressure light show up on dashboard and The Gear shift from Drive to Neutral and get towed and bring back to dealer and afte"
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Nissan Pathfinder
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.