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Home >> Volkswagen >> 2001 >> Jetta GL, 2.0 S, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 38 (1.9L - Fuel Injection Glow Plug, Engine Code: ALH (A4 Platform)) >> 01 On Board Diagnostic (OBD) >> Measuring value blocks >> Evaluating measuring value blocks, at idle >> Evaluation: Start of injection (specified) display

Evaluation: Start of injection (specified) display

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V.A.G 1551 display Possible cause of malfunction Corrective action
Earlier than 3 ° BTDC
  • Engine too cold
  • Run engine at increased speed to warm up and repeat check.