17567/P1159/004441

From Ross-Tech Wiki

17567/P1159/004441 - Signals from MAF-1 and MAF-2: Implausible Correlation

Possible Symptoms

  • Power Loss

Possible Causes

  • Air Intake dirty
  • Mass Air Flow Sensor (G70) defective
  • Mass Air Flow Sensor 2 (G246) defective

Possible Solutions

  • Clean Air Intake
  • Check Mass Air Flow Sensor (G70)
  • Check Mass Air Flow Sensor 2 (G246)
  • Check Exhaust Gas Recirculation
  • Check Boost Pressure Control

Special Notes

  • Log MAF (G70) vs. MAF 2 (G246) readings on a test drive and compare the result.
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