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Home/DTC Codes/Nissan/Altima/2007-2012 2.5L I4/P0100
P0100

Mass Air Flow (MAF) Circuit

2007-2012 Nissan Altima 2.5L I4

Moderate SeverityPowertrainGeneric (SAE)

Description

The PCM detected a general malfunction in the Mass Air Flow sensor circuit.

Symptoms

  • Check Engine Light
  • Poor acceleration
  • Rough idle
  • Engine stalling
  • Black smoke

Common Causes

  • Faulty MAF sensor
  • Dirty MAF sensor element
  • Air leak after MAF
  • Wiring issue
  • Damaged air filter

Diagnostic Steps

  1. Inspect MAF sensor for contamination
  2. Check for air leaks between MAF and throttle body
  3. Test MAF signal with scan tool
  4. Inspect wiring and connector
  5. Try cleaning MAF with approved cleaner

Repair Notes

Clean MAF sensor with electronics cleaner. Replace if cleaning does not resolve.

Related Codes

P0101Mass Air Flow (MAF) Circuit Range/PerformanceP0102Mass Air Flow (MAF) Circuit Low InputP0103Mass Air Flow (MAF) Circuit High InputP0104Mass Air Flow (MAF) Circuit Intermittent

Other Powertrain Codes

P0100 on Other Vehicles

Nissan 200SX

1995-1998 1.6L I4 GA16DE

Nissan 200SX SE-R

1995-1998 2.0L I4 SR20DE

Nissan 240SX

1995-1998 2.4L I4 KA24DE

Nissan 300ZX

1990-1996 3.0L V6 VG30DE

Nissan 300ZX Twin Turbo

1990-1996 3.0L Twin-Turbo V6 VG30DETT

Nissan 350Z

2003-2006 3.5L V6 VQ35DE

Nissan 350Z

2007-2009 3.5L V6 VQ35HR

Nissan 370Z

2009-2020 3.7L V6 VQ37VHR

Common Questions

What does code P0100 mean on a 2007-2012 Nissan Altima?

P0100 stands for "Mass Air Flow (MAF) Circuit". The PCM detected a general malfunction in the Mass Air Flow sensor circuit.

What are the symptoms of P0100 on a Nissan Altima?

Common symptoms of P0100 include: Check Engine Light, Poor acceleration, Rough idle, Engine stalling, Black smoke.

What causes P0100 on a 2007-2012 Nissan Altima?

Common causes of P0100 include: Faulty MAF sensor, Dirty MAF sensor element, Air leak after MAF, Wiring issue, Damaged air filter.

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