MAF Sensor Circuit Low Input
Powertrain Code · Medium
What does P0102 mean?
The MAF sensor is reading below its expected range. Could indicate a dirty sensor, air leak, or wiring issue.
System: Air Metering
P0102 is a powertrain diagnostic trouble code indicating maf sensor circuit low input. This code is classified as medium severity, which means: schedule service — affects performance or emissions. We have vehicle-specific diagnostic data for 43 models below. Select your vehicle for tailored causes, symptoms, and repair cost estimates.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.
See causes, symptoms, and repair costs for P0102 on specific vehicles: