Troubleshooting steps
Check MAF sensor wiring, clean sensor, check for air leaks, replace sensor if needed
Motorcycle Diagnostic Codes
P0103 – Mass Air Flow Sensor Circuit High Input
MAF sensor high input
Details
The MAF sensor is reading higher than expected, indicating a circuit problem.
Error typeerror
MeaningMAF sensor high input
Typical causesFaulty MAF sensor, wiring issue, sensor contamination, air intake leak
SolutionsCheck MAF sensor wiring, clean sensor, check for air leaks, replace sensor if needed
Severityhigh
Catalog references
Where this appears
Harley-DavidsonP0103
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FAQ
Common questions
What causes high MAF readings?
High readings are often caused by wiring issues, sensor contamination, or air intake leaks.
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