OBD Guide

P010C

Mass or Volume Air Flow Sensor B Circuit Low

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Difficulty starting the engine

Causes

  • Malfunction of the mass air flow sensor (MAF B)
  • Open or short circuit in wiring harness
  • Poor contact in the sensor connector
  • Sensor contamination
  • ECU malfunction

How to Fix

  1. Check the condition of the sensor wiring harness and connectors
  2. Clean the mass air flow sensor (if dirty)
  3. Check resistance and sensor signal
  4. Replace sensor if necessary
  5. Reset the error and check engine operation

Related codes

Error P010C by Vehicle Brand