Running rich
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Posting Guru
Joined: Dec 2006
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Running rich
I have a 1990 F 250 5.8 Windsor EFI and it runs drives GR8!! but when i open her op it smokes black likes it want to be an diesel ... i know thats running rich problem but how can i fix this ? ? some one told me to tightend the fuel line bolt on the intake but i wanted some advise first... so what should i do? tnx allot 
Laughing Gas
Joined: Oct 2005
Posts: 1,226
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From: The OC
Don't replace anything until you check for codes. You will end up replaceing everything under the hood trying to guess what your problem might be. Check for codes, post results, and we can go from there.
