DTC P0102 BMW

MAF Sensor Circuit Low Input

MAF Sensor Circuit Low Input

Description

Key on, engine started, and the DME detected the MAF sensor signal was less than the minimum calibrated value. The engine temperature must beat least 185-degrees (F) and all electrical equipment (A C, lights, etc) must be off. The DME has detected that th

Cause and Solution

Check for leaks between MAF sensor and throttle valve control module
Voltage supply faulty.
Sensor power circuit open from fuel pump relay to MAF sensor
Sensor signal circuit open (may be disconnected) from DME and MAF

Video Guide

Duration: PT4M17S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0102
  • Brand: BMW
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