Rodger, I have a 79 300CD, but am not an expert. I would remove the
fuel return line from the last (back) injector. Get someone to crank.
You should see copious flow. If it does both the lift pump and the
injection pump are working. Another likely problem is the glow plugs
and their power souces. I would not use a blend, but must people
using them include some RUG (regular unleaded gasoline). Bobby
On 9/11/11, rkitt2002 <rkitt@netscape.com> wrote:
> Hello All
>
> My 1978 300D (non turbo) is not running. I suspect that the fuel lift pump
> has quit. I blew the tank screen out with compressed air and added more
> fuel. I will replace the screen next weekend. Now I get fuel to the primary
> filter (it was dry). I have bled the lines. It still will not start.
>
> Is there an easy way to test the lift pump?
>
> I should add that I am running a mix of 1/3 diesel and 2/3 filtered used
> motor oil. It smokes a bit and smells bad, but the car has been running
> fine.
>
> thank you
> Rodger
>
>
--
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Toward freedom,
Bobby Yates Emory
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