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Home/DTC Codes/Peugeot/308/2013-2021 1.2L I3 PureTech/P0103
P0103

Mass Air Flow (MAF) Circuit High Input

2013-2021 Peugeot 308 1.2L I3 PureTech 🇩🇪

Moderate SeverityPowertrain

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

Peugeot 108

2014-2021 1.0L I3 VTi 72

Peugeot 108

2014-2021 1.2L I3 PureTech 82

Peugeot 2008

2019-2024 1.2L I3 PureTech

Peugeot 2008

2019-2024 Electric

Peugeot 2008

2019-2025 1.2L I3 Turbo PureTech 130

Peugeot 2008 PL

2019-2025 1.2L I3 Turbo PureTech 130

Peugeot 2008 PL

2019-2025 1.5L I4 Diesel BlueHDi 110

Peugeot 208

2012-2019 1.2L I3 PureTech

Common Questions

What does code P0103 mean on a 2013-2021 Peugeot 308?

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 Peugeot 308?

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

What causes P0103 on a 2013-2021 Peugeot 308?

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

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