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heavychevy77 · 03-13-2012, 05:32 AM

I would seriously consider looking into the fuel filler neck and the fuel pump. The filler neck was completely rusted out so the rust, water, mud and every other outside element went down inside the gas tank. It was messy and a pain to fix and clean, but what a huge difference! My gas mileage even improved
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03-13-2012, 05:32 AM	#39
heavychevy77 Registered User Join Date: Feb 2012 Location: mansfield, ohio Posts: 4	Re: 2000 6.0L runs rough and stumbles I would seriously consider looking into the fuel filler neck and the fuel pump. The filler neck was completely rusted out so the rust, water, mud and every other outside element went down inside the gas tank. It was messy and a pain to fix and clean, but what a huge difference! My gas mileage even improved Posted via Mobile Device