carb adjust?

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  #1  
Old 11-21-03, 11:41 PM
Matt Barcellona
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carb adjust?

When I start the car when cold it takes forever to idle down.Usually when I give it a liitle punch it would,but now it's really taking a long time.It's a 4 barrel quadrajet on a 85 Riviera
 
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  #2  
Old 11-22-03, 03:51 AM
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Join Date: Aug 2003
Location: Barre,Vermont
Posts: 472
It should kick down immediately after starting to the step on the fast idle cam known as 'kick down'. The fast idle cam is behind the choke thermostat, try spraying some carb clean on the linkage while fiddling with it(engine off). Do this by opening the throttle, this takes the fast idle screw out of the way, then spray the fast idle cam, and then grab the choke blade(the flap on the top of the carb) and work it open and closed. This will help work the carb clean into the pivot points that are probably gummed up or rusted. Also a few drops of automatic transmission fluid on the linkage might help if it is rusted. Not too much though, because you don't want to attract dirt. this lingage relies on gravity to operate after the thermostat has opened the choke.
 
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