Quick checklist
Check MAF sensor wiring, clean sensor
OBD2 Codes
P0103 – MAF Sensor Circuit High Input
MAF sensor reading too high
Details
The MAF sensor is reading abnormally high.
Typical causesFaulty MAF sensor, wiring short, contaminated sensor
SymptomsCheck engine light, possible rough idle
SeverityMedium
DIY checksCheck MAF sensor wiring, clean sensor
ToolsOBD2 scanner, MAF cleaner
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FAQ
Common questions
What causes P0103?
Faulty MAF sensor, wiring short, contaminated sensor
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