'98 Fuel Supply and Return Lines

'98 Fuel Supply and Return Lines

02-11-2006, 09:03 PM

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CTD12V

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Join Date: Nov 2005 Location: North of Colorado Springs, CO Posts: 345 Photo Gallery Old Reader's Rigs Gallery

'98 Fuel Supply and Return Lines

Sorry if this has been posted before, but I couldn't find an answer in my searches. I have been noticing that my truck is getting harder to start sometimes, so I am thinking about replacing the supply and return lines. Over 120,000 miles and never been touched, as far as I know. The Haynes manual and a couple of posts I saw mention that on the '98s the fuel return lines are metal inside the rubber, so you can't pinch them off to check fuel pressure without inserting a piece of test hose. My question is, does this style of metal-inside-rubber fuel line tend to develop the infamous air leaks like so many people have posted about, or am I probably wasting my money replacing them since they aren't actually leaking fuel?

Thanks,

CTD12V

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