Quote:
Originally Posted by T-Cut
My 2004 1.8T returns 32-34mpg and idles like a Swiss watch. Lumpy idling can be caused (amongst other things as mentioned mentioned) by coolant entering the inlet manifold (cyl 1 and/or 4) but this usually clears once everything's hot. Obviously this means you have to keep topping up the coolant - which hasn't been mentioned (??)
TC
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Hi Terry
your's is the first 1.8T I have heard of with a rock steady idle.Mine has always fluctuated but the car itself has always idle'd smoothly not lumpy.
Is your mpg of 32-34 around town?