Quick checklist
Check MAF sensor connections, clean sensor with MAF cleaner
OBD2 Codes
P0100 – Mass Air Flow (MAF) Circuit Malfunction
MAF sensor circuit problem
Details
The MAF sensor circuit is not working correctly.
Typical causesFaulty MAF sensor, wiring issue, dirty sensor
SymptomsRough idle, poor acceleration, check engine light
SeverityMedium
DIY checksCheck MAF sensor connections, clean sensor with MAF cleaner
ToolsOBD2 scanner, MAF cleaner
Utilities
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FAQ
Common questions
What causes P0100?
Faulty MAF sensor, wiring issue, dirty sensor
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