Idle problem
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New User
Joined: Dec 2003
Posts: 8
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Idle problem
My 89 f150 with a 300 6 has developed a little problem. When the truck is cold and you start it up the high idle is great and smooth, however when it drops to the low idle it has a bad throb. Any suggestions? Thanks
Tuned
Joined: Oct 2003
Posts: 386
Likes: 0
From: Wichita, KS
my 66 does the same thing after I intalled a 2 barrell on it, I tuned it a bit rich and after a while of idleing it surges real bad. I just figured that it was loading up on fuel. when I goose it it smooths out. the cold weather could be doing somewhat of the same thing to yours. at least thats kinda what im figuring out with these inlines. just my 2 cents
