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ECU idle relearn

5.7K views 19 replies 7 participants last post by  PasSNuBye  
Hmmmm.. I wonder if this could be reason for my idel.. recently I have noticed my idel has dropped from 800 to 900 now its mor elike 680 to 800....I will try this idel relearn thing.... could my valves be sludged up if I use the car everyday ? btw I have a CN stage 2 kit and I have been running rich .. could that build up sludge?