P0102 and P0104 How to Diagnose F150

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today we are looking at a P0102 which is Mass Air Flow Circuit Low and a P0104 Which is Irregular high Output voltage Signal.
Symptoms can be
Rough running engine, black smoke, stalling,hard starting, drivability issues
Probable Causes include, wiring problems, restricted air flow, Maf sensor wiring too close to high voltage, dirty Maf sensor, or plugged with carbon, intake air leaks, and or failed Maf sensor.
the purpose of this video is to pinpoint tests instead of getting the parts cannon out to diagnose what the issue is. Just because you got a code doesn't mean the sensor is faulty there is many other issues involved.
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#diagnose #troubleshoot #mafsensor