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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / June 2007

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Contaminated Diesel Fuel ???

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gdmcknight@netscape.net - 22 Jun 2007 04:29 GMT
2000 express van   diesel engine, fuel contaminated, fuel appears
cloudy(milky). shop has drained the tank and changed filter however
vehicle still won't start.they are suggesting a $3,000 injector pump.
Any thoughts on possible contaimination, could the pump be worn out
200,000miles.API index is 38 of recovered fuel.
John S. - 23 Jun 2007 13:01 GMT
On Jun 21, 11:29 pm, gdmckni...@netscape.net wrote:
> 2000 express van   diesel engine, fuel contaminated, fuel appears
> cloudy(milky).

Water.

shop has drained the tank and changed filter however
> vehicle still won't start.they are suggesting a $3,000 injector pump.

Is this shop familiar with diesel motors?

> Any thoughts on possible contaimination, could the pump be worn out
> 200,000miles.

Yes it could very well be.

> API index is 38 of recovered fuel.
Thomas Tornblom - 25 Jun 2007 07:42 GMT
I have no experience with this vehicle, but we had an old VW Golf
diesel that suddenly began suffering from water in the fuel.

I assumed I had gotten a bad tank of fuel, but it turned out that the
filler tube, which was exposed to spray from the rear right wheel, had
rusted out on the top side, so whenever you were driving in wet
condition, you would slowly fill the tank with water and grime.
Scott Dorsey - 25 Jun 2007 20:07 GMT
>2000 express van   diesel engine, fuel contaminated, fuel appears
>cloudy(milky). shop has drained the tank and changed filter however
>vehicle still won't start.they are suggesting a $3,000 injector pump.

Measure the pressure coming out of the pump.  If it's okay, you are
more likely to have clogged injectors.  If it's not, pull the pump and
clean it out.

>Any thoughts on possible contaimination, could the pump be worn out
>200,000miles.API index is 38 of recovered fuel.

Maybe, but you don't know until you take it apart.  It could be gummed up
by contaminated fuel and just need to be torn down and cleaned.  It could
be worn out.  Or it could be fine.
--scott
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"C'est un Nagra.  C'est suisse, et tres, tres precis."

 
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