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Old 02-03-2008, 02:36 AM   #1 (permalink)
DAN
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Join Date: Jan 2008
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Why should I coast with the motor off?

when off the throttle, coasting or not, most motors idle. i can't see how any useful fuel is saved by not idleing that little bit. and ever restart is a cold start. so in many cars a extra bit of fuel is used to light off the cat. converters.

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