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View Full Version : VW Golf GTI MK4 Fault Code


Rossco4806
25-09-2009, 04:23 PM
I have a fault code coming up,it reads 16890 idiling speed control intermitent malfunction.Can anyone tell me what it is ,please?
VAGMAN54
25-09-2009, 08:44 PM
try cleaning and resetting the throttle body