OBDII Code List
P0103 2008 FORD FUSION

P0103 2008 FORD FUSION - Mass or Volume Air Flow Circuit High Input

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3   
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Possible causes

  • Faulty mass air flow sensor
  • Intake air leaks
  • Dirty mass air flow sensor
  • Dirty mass air filter
  • Mass air flow sensor harness is open or shorted
  • Mass air flow sensor circuit poor electrical connection

Tech notes

Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor.

When is the code detected?

An excessively high voltage from the sensor is sent to Engine Control Module (ECM).

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine stall
  • Engine running rough
  • Excessive fuel consumption
  • Excessive smoke

P0103 2008 Ford Fusion Description

The mass air flow (MAF) sensor circuit is monitored by the powertrain control module (PCM) for high air flow (or voltage) input through the comprehensive component monitor (CCM). If during ignition on, engine off, or ignition on, engine running, the air flow (or voltage) changes above a maximum calibrated limit, the test fails.

OBDII Code P0103 2008 Ford Fusion - Mass or Volume Air Flow Circuit High Input -

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P0103 2008 FORD FUSION Comments

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