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Home >> Volkswagen >> 2004 >> GTI Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> 2.8L - Fuel Injection Ignition [BDF] - [01-On Board Diagnostic] >> 01 On Board Diagnostic (OBD) >> Measured value (data) blocks >> Measured value blocks, display groups 0...9 - Basic functions, evaluating >> Evaluating display group 2, display zone 4 - Mass Air Flow (MAF)
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Evaluating display group 2, display zone 4 - Mass Air Flow (MAF)

Appears on display Possible cause Corrective action
Less than specified
  • Large amount of unmetered air between intake manifold and Mass Air Flow (MAF) Sensor G70
  • Repair unmetered air
Greater than specified
  • Gear selected (automatic transmission)
  • Place selector lever in P or N
 
  • Engine loaded due to accessories
  • Eliminate load (air conditioner, power assisted steering etc.)
NOTE:
  • Note on display zone 2:
  • Displayed is the air mass measured by the Mass Air Flow (MAF) Sensor G70.
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