P0101Medium Priority
Mass or Volume Air flow Circuit Range/Performance Problem
Category: Powertrain• Fuel and Air Metering
42 articles · 5 makes affected
What is P0101?
P0101 indicates a problem with the Mass Air Flow (MAF) sensor circuit, meaning the sensor readings are outside the expected range for current engine conditions. This is a medium-severity powertrain issue that affects fuel delivery and engine performance, commonly triggered by sensor failures, intake leaks, or electrical problems. Based on real data, this code appears frequently in Honda Civic, Nissan Maxima, and Chevrolet Spark models.
Common Causes
- ●Faulty or contaminated MAF sensor (most common cause)
- ●Intake air leaks after the MAF sensor
- ●Damaged or corroded wiring/connectors in the MAF circuit
- ●Dirty or clogged air filter restricting airflow
Symptoms You May Notice
- ●Check Engine Light illuminated on dashboard
- ●Reduced engine power or hesitation during acceleration
- ●Poor fuel economy and rough idle
- ●Engine stalling or difficulty starting
How to Fix It
- ●Replace MAF sensor ($100-$400, moderate difficulty)
- ●Clean MAF sensor with specialized cleaner ($10-$20, easy)
- ●Repair intake air leaks ($150-$500, moderate difficulty)
- ●Inspect and repair wiring/connectors ($50-$200, moderate difficulty)
Root Causesfor P0101
Based on 6 owner reports
Confirmed Causes
- 1running and the fumes i thought of changing the inject(17% of cases)
Common Misdiagnoses
What owners initially thought vs. what actually fixed the problem
- mechanic, nor do i play one on tv,thinking is a potential transmission issue(1 reports)
What Didn't Help
Repairs that owners tried but didn't fix the issue
being read properlymechanic
Things to Check
Suggested areas to investigate based on similar cases
read except one of the key transpondersomething with the calibration of the new injector (refurbished)
Owner Statistics
Based on 89,376 real owner discussions • 2901 confirmed solutions
$4,153
Average Repair Cost
3%
Success Rate
13%
DIY Repairs
89,376
Data Sources
About This Data
Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.
Frequently Appears With
These codes often appear together in owner reports. Check these if you see P0101.
Based on analysis of 7 owner reports where multiple codes appeared together.
Issues by Vehicle
NISSAN
2020 Maxima
2020 Nissan Maxima Battery Drain? Diagnosing and Fixing Intake Leaks
117 sources
2020 Maxima
2020 Nissan Maxima Battery Replacement: Step-by-Step Guide
136 sources
2020 Maxima
How to Remove the Intake Manifold on a 2020 Nissan Maxima
284 sources
2020 Maxima
Why Your 2020 Maxima is Stalling and How to Fix It
408 sources
2012 Maxima
Why Your 2012 Maxima Clunks and Feels Boggly (And How to Fix It)
192 sources
2020 Maxima
Why Your Nissan Maxima is Making a Grinding Noise (And How to Stop It)
1.9K sources
2020 Maxima
How to Diagnose and Fix a Coolant Leak in Your 2020 Nissan Maxima
1.9K sources
2020 Maxima
Why Your 2020 Maxima Has a Humming Noise (And How to Stop It)
1.9K sources
2020 Maxima
Why Your 2020 Nissan Maxima is Overheating and How to Stop It
1.7K sources
2020 Maxima
How to Find and Fix an Oil Leak on Your 2020 Nissan Maxima
1.8K sources
2020 Maxima
Why Your 2020 Nissan Maxima Hesitates When Accelerating
1.7K sources
2020 Maxima
Why Your 2020 Nissan Maxima Has No Power (The Axle Nut Problem)
3.3K sources
2020 Maxima
How to Diagnose and Fix a Clicking Noise in Your Nissan Maxima
1.8K sources
2011 Maxima
Stopping the Shake: How 2011 Maxima Owners Fixed Their Vibration
114 sources
2020 Maxima
Why Your 2020 Nissan Maxima Vibrates (And How to Stop It)
1.8K sources
2012 Maxima
Why Your 2012 Nissan Maxima Smells Like Burning (And How to Stop It)
112 sources
HONDA
2010 Civic
2010 Honda Civic Intake Manifold Vacuum Leak: DIY Fix Guide
89 sources
2010 Civic
Windshield Washer Switch Fix for Your 2010 Honda Civic
218 sources
2025 Interstate
How to Replace Your 2025 Honda Interstate Battery and Save Money
93 sources
2010 Civic
How to Fix a 2010 Honda Civic Exhaust Manifold Leak or Rusted Bolt
124 sources
2025 Interstate
Why Your 2025 Honda Interstate Battery Dies Early (And How to Fix It)
94 sources
2010 Civic
Is Your 2010 Honda Civic Transmission Slipping? Real Owner Repair Guide
90 sources
2010 Civic
Fixing Your 2010 Honda Civic's Clutch and Drivetrain Clacking Noise
87 sources
2010 Civic
Fixing Your 2010 Honda Civic's Clutch Chatter and Gear Pop Issues
78 sources
2010 Civic
Why Your 2010 Honda Civic Transmission is Slipping or Popping Out of Gear
97 sources
2010 Civic
How to Fix Your 2010 Honda Civic's Fuel Injector Problems
89 sources
2010 Civic
Why Your Honda Civic Clutch is Whining and How to Stop It
67 sources
CHEVROLET
2010 Suburban
2010 Chevrolet Suburban Overheating? How to Diagnose and Fix Oil Leaks
100 sources
2010 Suburban
Why Your 2010 Suburban Won't Start When Hot (And How to Fix It)
100 sources
2010 Suburban
How to Diagnose and Silence a Whining Noise in Your 2010 Suburban
100 sources
2010 Suburban
How to Diagnose and Fix a Misfire in Your 2010 Suburban
100 sources
2010 Suburban
Why Your Suburban's ABS Light Is On and How to Fix It
100 sources
2010 Suburban
Why Your 2010 Suburban Idles Rough (Transmission Sensor Fix)
100 sources
2020 Corvette
Fixing Your C8 Corvette's Vague or Wobbly Shifter Feel
331 sources
2010 Suburban
How to Diagnose and Fix a Clicking Noise in Your Chevy Suburban
81 sources
2020 Corvette
Why Your 2020 Corvette Brakes Are Overheating (And How to Stop It)
988 sources
2020 Corvette
How to Diagnose and Fix a Whining Noise in Your Corvette
888 sources