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Home/DTC Codes/Mazda/CX-3/2016-2021 2.0L I4/P0102
P0102

Mass Air Flow (MAF) Circuit Low Input

2016-2021 Mazda CX-3 2.0L I4

Moderate SeverityPowertrainGeneric (SAE)

Description

The MAF sensor signal voltage is lower than the minimum expected value.

Symptoms

  • Check Engine Light
  • Loss of power
  • Rich fuel condition
  • Black smoke

Common Causes

  • Faulty MAF sensor
  • Short in signal wire
  • Disconnected sensor
  • Contaminated sensor element

Diagnostic Steps

  1. Check MAF sensor connector
  2. Test signal voltage
  3. Inspect wiring for shorts to ground
  4. Test sensor output

Repair Notes

Replace MAF sensor or repair wiring.

Related Codes

P0100Mass Air Flow (MAF) CircuitP0101Mass Air Flow (MAF) Circuit Range/PerformanceP0103Mass Air Flow (MAF) Circuit High Input

Other Powertrain Codes

P0102 on Other Vehicles

Mazda 626

1993-1997 2.0L I4

Mazda 626

1993-1997 2.5L V6

Mazda 626

1998-2002 2.0L I4

Mazda 626

1998-2002 2.5L V6

Mazda Axela

2013-2019 1.5L I4 P5-VPS

Mazda Axela

2013-2019 2.2L I4 Diesel SH-VPTS

Mazda B2300

1994-1997 2.3L I4

Mazda B2300

2002-2009 2.3L I4

Common Questions

What does code P0102 mean on a 2016-2021 Mazda CX-3?

P0102 stands for "Mass Air Flow (MAF) Circuit Low Input". The MAF sensor signal voltage is lower than the minimum expected value.

What are the symptoms of P0102 on a Mazda CX-3?

Common symptoms of P0102 include: Check Engine Light, Loss of power, Rich fuel condition, Black smoke.

What causes P0102 on a 2016-2021 Mazda CX-3?

Common causes of P0102 include: Faulty MAF sensor, Short in signal wire, Disconnected sensor, Contaminated sensor element.

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