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  #1  
Old 08-07-2007, 06:47 AM
chas123 chas123 is offline
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carburetor idle jets

should have said idle mixture adjusting screws
what causes motorcrft 2100 carb idle jets not working any adjustment?

Last edited by chas123; 08-07-2007 at 04:22 PM.
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Old 08-07-2007, 11:57 AM
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351wStang 351wStang is offline
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Re: carburetor idle jets

You dont adjust the idle with jets. The jets are in a completely different circuit. Are you trying to adjust idle rpm or idle afr? For rpm there is a screw that rotates the throttle. For afr there should be an adjustment in the side of the metering block. Clockwise takes fuel away at idle. What problem are you having? If your running rich then check to make sure your throttle blades are closing like they should, also make sure your float is adjusted correctly. After that you can pull fuel out with the ifrc screw.
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Old 08-07-2007, 04:33 PM
chas123 chas123 is offline
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Re: carburetor idle jets

I Rebuilt Carb With Kit Soked It In Cleaner.. Blew Out All The Air
Bleeds Car Runs Good But Idle Mixture Screws Have No Effect
So Cant Smooth Out Idle..
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Old 08-08-2007, 01:24 PM
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Re: carburetor idle jets

Check float level.
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