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Home >> Volkswagen >> 2000 >> Golf GLS, 1.8 B, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (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 004 at Wide Open throttle (WOT), test drive in 3rd gear, Engine Coolant Temperature 80 ° C (176 ° F) minimum

Display group 004 at Wide Open throttle (WOT), test drive in 3rd gear, Engine Coolant Temperature 80 ° C (176 ° F) minimum

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NOTE:
  • When testing, accelerate vehicle at WOT.
  • Measured values must be printed or displayed (2nd person required) when engine speed reaches 3,000 RPM.
  • Observe safety precautions when performing test drive → Safety precautions  .
Display group 004 -Start of injection-
Read Measured value block 4 → Indicated on display    
xxxx RPM xx.x ° B/ATDC xx.x ° B/ATDC xxx %    
1 2 3 4 Display zones Specification Evaluation
        Cold Start Injector Duty cycle 50...95% Evaluation: Start of injection (actual) display  
      Start of injection (actual) Approx. Start of inj. (specified) Evaluation: Start of injection (actual) display  
    Start of injection (specified) 8.0...14.0 ° BTDC ---
  Engine speed (RPM) 2900...3100 RPM ---
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