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Old 03-21-2011, 11:18 AM   #4 (permalink)
MacWord
Hypermiler Since 1972
 
Join Date: Mar 2010
Location: Colorado
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Two reasons I suspect that it is running rich...

1. Mileage in both city and highway situations seems too low. (calculated mathematically and with scan gauge)

2. Black sooty deposits inside tail pipe seem excessive over other vehicles in the driveway. Also see black/sooty coating on plugs. Compression is excellent.

At lower speeds, the car bucks and jolts.
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