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Old 10-05-2012, 01:56 AM
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One Idle Mix Screw Not Working!!!

Hey guys Im having some trouble with my Edelbrock 1406 carb. My drivers side idle mixture screw has no effect. I checked the Edelbrock dvd and it says to spray compressed air into the idle mixture screw hole. My trucks actually up at my moms house at the moment so I havent had a chance to try and put air through the screw hole yet. Will compressed air unclog the circuit no matter where the debris is? or will it only push junk outta the little hole the mixture screw tip goes into?

Any tips or suggestions are welcome about cleaning it or checking for other possible problems. You probably know alot more than I do about carbs

-I dont think its a vac leak cause vac is stable at 15
-Ive done a good amount of searching for vacuum leaks and replaced vac componants
-floats are at correct lvl
-My plugs are also black and sooty isnt a vac leak suppose to lean out the engine so the plugs wouldnt be black right?
-only drivers side mixture screw has no effect the passenger side is working.

Thanks for reading guys
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