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Display group 002 at idling speed (engine warm, coolant temperature not below 80 °C) > < Evaluation: Injected quantity display

Golf Mk4

Evaluation: Modulating piston movement senderG149 voltage display
   
Evaluation: Modulating piston movement sender -G149- voltage display
Display fault reader -V.A.G 1551-Possible fault causeFault elimination
Above 1.30 V
or 1.60 V
t  Injection pump too rich
–  Renew injection pump → Chapter
Over 2.10 V
t  Engine too cold
–  Run engine at increased speed to warm up and repeat test
 
t  Injection pump too lean
–  Renew injection pump → Chapter

   

Display group 002 at idling speed (engine warm, coolant temperature not below 80 °C) > < Evaluation: Injected quantity display