rough cold start

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Dec 9, 2007 | 03:01 PM

muhl5443

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Joined: Nov 2007

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rough cold start

i have a '98 exploder w/ the V6 4.0L SOHC ever since it has gotten cold here which was about mid nov. my truck has the hardest time starting. i once got codes that all of my cylinders were miss firing and that both my 02 sensors were running lean. whatever the problem is it is eating up a lot of gas. i use to get 400 per tank now i only get 200 per tank. any ideas?

Dec 10, 2007 | 02:54 PM

Space Truckin'

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Joined: Dec 2006

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Replacing the lower intake manifold gaskets with the updated ford parts solved this problem on mine. There is a TSB about the cold start vacuum leak caused by the original gasket design.

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