runs good on full tank but not on 1/4 tank

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06-05-2006, 04:41 PM

dchyun

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runs good on full tank but not on 1/4 tank

99 Disco I runs ecellent when it is full tank.
But when it is 1/4 tank full it runs like a car with cloged fuel filter.
Any idea?

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06-07-2006, 01:32 PM

Landzu

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RE: runs good on full tank but not on 1/4 tank

Sounds like your fuel pump is weak.

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06-07-2006, 11:09 PM

Bait

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RE: runs good on full tank but not on 1/4 tank

What is the fuel pressure?

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10-18-2006, 07:20 PM

PWINCORP

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RE: runs good on full tank but not on 1/4 tank

You could actually be low on fuel. I know that my gauge on my Disco is about an 1/8th of a tank off. I found this out the hard way. No light, ding, nothing, just a little sputtering and died. Hope this helps.

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10-19-2006, 04:20 PM

geoman

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RE: runs good on full tank but not on 1/4 tank

Look at this thread for details regarding fuel pressure:

"OBd2 Code 2539"

regards,

Geoman

www.eurotekapg.com

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