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  #16  
Old 08-28-2005, 03:53 PM
t walgamuth's Avatar
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good idea

also to use some fungicide. there may be fungi in there. were there little black dots in the primary fuel filter?

tom w
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  #17  
Old 08-28-2005, 03:54 PM
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I'd suggest pulling, inspecting and cleaning the tank screen.
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  #18  
Old 08-28-2005, 04:34 PM
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Have an 85 300D too get a clear primary filter so you can see inside it...get a new spin on secondary, When you replace the spin on, pour some of the old fuel into it before installing it to prevent air in lines; Then after installing new one...very easy btw, prime pump 50X or until you actually hear fuel going through the lines...
Wouldn't hurt to get some Bioguard from a marine store for diesel tanks......
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  #19  
Old 08-28-2005, 05:25 PM
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it might have been sludge at the bottom of the tank blocking the intake. run a couple tanks of bio d thru the car and that should go away. you better buy some extra primary filters also when you do that.
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  #20  
Old 08-29-2005, 11:45 AM
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Air in the fuel system.
Driving along at highway speeds, the lift pump is pulling fuel from the tank fairly quickly. Any poor hoses may start to leak air into the fuel. At highway speeds, there can be a fair bit of air there, but because of the high RPM, the air is sent thru the return line as it enters.
Stop at the lights, the air tends to accumulate in high spots and may, when you floor the car, be enough to give poor performance, but not enough to cause stalling or specific missing, until it is purged from the IP. This may take minuted for this to occur.
Check for air in the return line when you come down to idle. Check all hoses for deterioration and any moistness should initiate the replacement of that hose.

This gets worse as the fuel tank level drops, and is made worse by any restriction in the fuel system prior to the lift pump.
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  #21  
Old 08-29-2005, 12:29 PM
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c clips

were also my problem yesterday, although a paper clip sufficed until i got to Ace hardware. Sluggishness is usually linkage or fuel filters if it comes on suddenly.
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  #22  
Old 08-29-2005, 01:09 PM
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Quote:
Originally Posted by Austin85
Have an 85 300D too get a clear primary filter so you can see inside it...get a new spin on secondary, When you replace the spin on, pour some of the old fuel into it before installing it to prevent air in lines; Then after installing new one...very easy btw, prime pump 50X or until you actually hear fuel going through the lines...

I disagree. I don't want that old muck in my new filter; thats why I'm changing it, right? I fill the new filter with diesel purge. Sure it costs, but I don't plan on dying rich.
My $.02

Last edited by Brian Carlton; 08-29-2005 at 01:37 PM.
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