Quick checklist
Clean MAF sensor, check for vacuum leaks
OBD2 Codes
P0101 – MAF Sensor Range/Performance
MAF sensor reading out of range
Details
The MAF sensor is reading outside normal range.
Typical causesDirty MAF sensor, faulty sensor, vacuum leak
SymptomsPoor performance, check engine light
SeverityMedium
DIY checksClean MAF sensor, check for vacuum leaks
ToolsOBD2 scanner, MAF cleaner
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FAQ
Common questions
What causes P0101?
Dirty MAF sensor, faulty sensor, vacuum leak
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