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  #1  
Old August 20th, 2010, 03:16 PM
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Greg
1991 200tdi D90
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Fuel Problems

I am writing this for a friend who is having problems with his '94 RR Classic LWB with a 4.2L.

While driving along, randomly, and apparently somewhat often, he will get a smell of gas fumes in the cabin, then the truck will start running rough, hesitating, losing power, sometimes completely dying. He will pull over, wait a few minutes, then start it up and it will run like nothing ever happened.

Sounds like something in the fuel issue to me, but not sure what specifically it could be. Any ideas?

Thanks in advance,
Greg
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  #2  
Old August 20th, 2010, 03:18 PM
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Charles Galpin
'94 D90 ST, '63 SeriesIIA
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I had this exact problem in the past but never could quite put my finger on it, and there were too many changes to be able to indentify what solved it. I'd start with the fuel pump relay.
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Old August 20th, 2010, 03:33 PM
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Greg
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It seems to me it is getting flooded, which would explain the smell of gas fumes. Is that a good assumption?

So would that mean intermittent spark, or lack of air flow?
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  #4  
Old August 20th, 2010, 03:51 PM
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Charles Galpin
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Yes I'd agree that sounds more like fuel not burning for some reason (or too much fuel being released). Like I said I never figured out what the culprit was, but one time she died, the fuel relay was to blame and they are cheap and easy to try (and good for general maintenance anyway)
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Old August 20th, 2010, 03:52 PM
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Greg
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Cool, thanks!
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