P0103 2007 FORD FUSION - Mass or Volume Air Flow Circuit High Input
Tech notesBefore 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).
P0103 2007 Ford Fusion DescriptionThe 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.
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