P0101 on Nissan
Mass or Volume Air Flow Sensor Circuit Range/Performance
P0101 on Nissan vehicles indicates mass or volume air flow sensor circuit range/performance. Au7o has documented this code across 2 Nissan models — most commonly on Sentra, Versa. This powertrain code means the mass air flow (MAF) sensor's reading is out of the expected range or not changing as it should compared to other engine data. The MAF sensor measures how much air enters the engine so the computer can calculate the correct fuel amount. When the reported airflow doesn't match expectations, the air-fuel mixture can be off, causing rough running, hesitation, stalling, or poor fuel economy. It is usually not an emergency but should be fixed for proper performance and emissions. Typical repair costs on Nissan range from $10 to $250, depending on the specific model and root cause.
Common Causes of P0101
- •Dirty or contaminated MAF sensor element
- •Vacuum/intake air leak (unmetered air after the sensor)
- •Loose, cracked, or torn intake air ducting
- •Dirty or clogged air filter
- •Faulty MAF sensor
- •Wiring or connector problems at the MAF sensor
P0101 on Nissan by Model
Nissan Sentra(1 issue)
- Mass Air Flow Sensor Contamination and Failure2007-2019
The Sentra MAF sensor is prone to contamination and failure, causing driveability issues. Oil from aftermarket air filters (especially oiled cotton filters) or crankcase ventilation can coat the hot wire element, causing incorrect air flow readings. This leads to poor fuel mixture calculations, hesitation, and stalling. Even with stock air filters, the MAF sensor can fail due to age and heat cycling.
Nissan Versa(1 issue)
- Mass Air Flow Sensor Failure2007-2019
The Nissan Versa MAF sensor is prone to contamination and failure, particularly on the HR16DE 1.6L engine. The hot wire element becomes contaminated with oil vapors from the PCV system and dirt that passes through the air filter. This causes incorrect air flow readings, leading to poor engine performance, hesitation, and increased emissions. The issue often presents intermittently before becoming a constant problem.
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View P0101 across all makes →Frequently Asked Questions
What does P0101 mean on Nissan?▼
P0101 stands for "Mass or Volume Air Flow Sensor Circuit Range/Performance." This powertrain code means the mass air flow (MAF) sensor's reading is out of the expected range or not changing as it should compared to other engine data. The MAF sensor measures how much air enters the engine so the computer can calculate the correct fuel amount. When the reported airflow doesn't match expectations, the air-fuel mixture can be off, causing rough running, hesitation, stalling, or poor fuel economy. It is usually not an emergency but should be fixed for proper performance and emissions. On Nissan specifically, this code is documented across 2 models.
What causes P0101 on Nissan vehicles?▼
Common causes on Nissan: Dirty or contaminated MAF sensor element, Vacuum/intake air leak (unmetered air after the sensor), Loose, cracked, or torn intake air ducting, Dirty or clogged air filter, Faulty MAF sensor. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0101 on a Nissan?▼
Repair costs on Nissan range from $10 to $250, depending on the specific model and root cause.
Which Nissan models have P0101 documented?▼
Au7o has documented P0101 on 2 Nissan models: Sentra, Versa.