Sounds a lot like a plugged tank screen --as the fuel level gets low,
all the slop collects in the bottom of the tank. Driving on the
highway pulls huge amounts of fuel through the filters, even though
you aren't using much, so the screen plugs and fuel delivery drops
way down. As the lift pump slows, fuel collect in the filters and
you have normal power.
Time to remove and clean the tank, and replace the screen.
Peter
On Oct 2, 2008, at 10:43 PM, andrew strasfogel wrote:
The last two times I took my 1983 300TD on the highway for some
high speed
driving, when exiting to local roads the car lost nearly all its
power as I
slowed down, barely made it up the exit ramp, and crept along at 3
mph until
I reached a level surface. Then it took off again like a
turbocharged bat
out of hell.
Is it a coincidence that this happened with the fuel gauge at
1/4?. The car
had sat for nearly three months while it was getting its drive train
transplant, but never had this problem until I started to take it
on the
open road. The main fuel filters are fine but I haven't replaced
the fuel
tank strainer. What I don't get is why it has these sluggo attacks
only
after a trip on the open road. Stop and go driving is not a problem.
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