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Home >> Volkswagen >> 2001 >> Jetta GL, 2.0 B >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (1.9L - Fuel Injection Glow Plug, Engine Code ALH, From My 2002 (A4 Platform)) >> 01 On Board Diagnostic (OBD) >> Measured value blocks >> Evaluating Measured value blocks, at idle >> Display group 003 at idle with engine warm, coolant temperature not below 80 ° C (176 ° F)

Display group 003 at idle with engine warm, coolant temperature not below 80 ° C (176 ° F)

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2006 Volkswagen Golf, 2005 Volkswagen Jetta, 2005 Volkswagen Golf, 2004 Volkswagen Jetta, and 2004 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.
Display group 003 -Exhaust Gas Recirculation (EGR)-
Read Measured value block 3 Indicated on display    
xxxx RPM xxxx mg/H xxxx mg/H xxx %    
1 2 3 4 Display zones Specification Evaluation
        EGR Vacuum Regulator Solenoid Valve N18 Duty cycle 40...75% ---
      Air mass drawn in (actual) 230...370 mg/H Evaluation: Air mass drawn in (specified) display  
    Air mass drawn in (specified) 230...370 mg/H Evaluation: Air mass drawn in (specified) display  
  Engine speed (RPM) 860...950 RPM ---