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erratic idle losi 454

erratic idle losi 454

Old 12-15-2009, 01:08 PM
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i am having a problem setting idle after running the truck i will come to a stop and it will return to idle if i wait 3 or 4 seconds the idle will go high almost to the point will the truck will start to move on its own is this a low/high speed needle issue i checked the linkage for binding (pushing slide by hand) and doesnt seem to be the issue just sealed carb 2 days ago any suggestions are appreciated truck was running in the 230-250 range and the temp outside is like 20 very cold warmed motor up to 200 with heat gun in garage
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Old 12-15-2009, 01:33 PM
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Sounds like your low-end is too lean. I would richen it up, you may have to raise your idle after richen the bottom end.
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Old 12-15-2009, 01:41 PM
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ok thanks ill give that a try
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Old 12-15-2009, 06:42 PM
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Typical 454, Thats why mine is in a box and I run a werks B5 now............
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Old 12-15-2009, 07:58 PM
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Originally Posted by hdcruzer View Post
Typical 454, Thats why mine is in a box and I run a werks B5 now............
+1 common with the 454
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Old 12-15-2009, 09:21 PM
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have you considered a possible air leak at your carb
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