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Home >> Volkswagen >> 2005 >> Jetta TDI, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (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 >> Evaluation: Start of injection (actual) display

Evaluation: Start of injection (actual) display

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VAG1551 display Possible cause of malfunction Corrective action
For large deviation from specified value (approx. 5.0 ° )
  • Cold start injector N108 inoperative
 
  • Injection pump timing severely incorrect
 
  • Air in fuel system
  • Check fuel supply system.
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