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Old 2nd December 2021, 17:16   #7
VVC-Geeza
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2005 Connoisseur SE 1.8 Turbo,2004 45 1.8 Connoisseur and my beloved 1998 VVC Coupe.

Join Date: Nov 2009
Location: Derby.
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Quote:
Originally Posted by T-Cut View Post
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

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?
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