skoda Workshop Repair Guides

Skoda Workshop Service and Repair Manuals

Display group 020, ignition-knocking control (for engines with identification characters AZH, AZJ) > < Display group 016, ignition-ignition misfiring 4 (for engines with identification characters AQY, AZH, AZJ)
Analysis of display groups 015 and 016, display fields 1, 2 and 3
   
Analysis of display groups 015 and 016, display fields 1, 2 and 3
Display -V.A.G 1552 -Possible cause of faultRectifying fault
greater than 0
t  Spark plug defective
t  Spark plug connector defective
t  Ignition coil defective
–  Test spark plugs and spark cables with spark plug connectors → Chapter.
–  Test ignition coil → Current flow diagrams and Fitting locations.
 
t  Injection valve defective
–  Testing injection valves → Chapter.
–  Test injected quantity and tightness → Chapter.
t  Unmetered air
–  Inspect intake system for leaks.
t  Engine damaged mechanically
–  Testing compression pressure → 2.0 ltr./85 kW Engine, Mechanics → Rep. Gr.15.

   

Display group 020, ignition-knocking control (for engines with identification characters AZH, AZJ) > < Display group 016, ignition-ignition misfiring 4 (for engines with identification characters AQY, AZH, AZJ)