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Home >> Volkswagen >> 2002 >> GTI Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> 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 >> Display group 3 - Basic function - Mass Air Flow (MAF)
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Display group 3 - Basic function - Mass Air Flow (MAF)

Display group 3 - Basic function - Mass Air Flow (MAF)
  • Engine running at idle
Read measured value block 3 Indicated on display    
xxxx rpm xx.x g/s xx.x % xx.x ° C      
1 2 3 4 Display zones Specification Evaluation
        Ignition timing angle 4.0...15.0 ° BTDC ---
      Throttle valve angle Angle sensor -1- for throttle drive G187 0.2...4.0 % Evaluating display group 10, display zone 3 - Throttle valve angle, Angle sensor - 1 - for throttle drive 
    Air mass drawn in 3.0...5.0 g/s Evaluating display group 2, display zone 4 - Mass Air Flow (MAF) 
  Engine speed (idle speed) 640...720 rpm Evaluating display group 1, display zone 1 - Engine speed (idle speed) 
NOTE:
  • Note on display zone 3:
  • Display values must be approx. 100% when accelerator pedal is fully depressed.