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Old 05-27-2010, 11:09 AM   #1
86swb
Born a Chevy Man
 
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Join Date: Apr 2005
Location: Navarre, Florida
Posts: 10,221
uses too much gas

My father-in-law has a 1985 Chevy with the 305 and 350 trans. The carb is a four barrel. My question is: When the truck is just sitting with the engine at an idle you can watch the gas gage needel slowly move towards empty. The truck is out of gear and just sitting there. What could cause this? I am at a lost. I want to help him but have no clue as to why he is useing so much gas. Anyone?
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*1986 Chevy SWB Silverado
*1984 Chevy Longbed Silverado

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