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Home/DTC Codes/Porsche/Cayenne/2003-2010 3.2L V6/P0103
P0103

Mass Air Flow (MAF) Circuit High Input

2003-2010 Porsche Cayenne 3.2L V6

Moderate SeverityPowertrainGeneric (SAE)

Description

The MAF sensor signal voltage is higher than the maximum expected value.

Symptoms

  • Check Engine Light
  • Lean fuel condition
  • Poor acceleration
  • Engine surge

Common Causes

  • Faulty MAF sensor
  • Short to voltage in signal wire
  • Water damage to sensor

Diagnostic Steps

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

Repair Notes

Replace MAF sensor or repair wiring.

Related Codes

P0100Mass Air Flow (MAF) CircuitP0101Mass Air Flow (MAF) Circuit Range/PerformanceP0102Mass Air Flow (MAF) Circuit Low Input

Other Powertrain Codes

P0103 on Other Vehicles

Porsche 718 Boxster

2017-2024 2.0L H4 Turbo

Porsche 718 Boxster

2017-2024 2.0L Turbo H4

Porsche 718 Boxster GTS

2020-2024 4.0L H6

Porsche 718 Boxster S

2017-2024 2.5L Turbo H4

Porsche 718 Cayman

2017-2024 2.0L H4 Turbo

Porsche 718 Cayman

2017-2024 2.0L Turbo H4

Porsche 718 Cayman GT4

2019-2024 4.0L H6

Porsche 718 Cayman GTS

2020-2024 4.0L H6

Common Questions

What does code P0103 mean on a 2003-2010 Porsche Cayenne?

P0103 stands for "Mass Air Flow (MAF) Circuit High Input". The MAF sensor signal voltage is higher than the maximum expected value.

What are the symptoms of P0103 on a Porsche Cayenne?

Common symptoms of P0103 include: Check Engine Light, Lean fuel condition, Poor acceleration, Engine surge.

What causes P0103 on a 2003-2010 Porsche Cayenne?

Common causes of P0103 include: Faulty MAF sensor, Short to voltage in signal wire, Water damage to sensor.

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