[Vwdiesel] Trying to get the old diesel to start

brian gochnauer brian at gochnauer.net
Wed Mar 18 15:19:37 PDT 2009

How old is the fuel in the tank?
I temporarily used an electric pump in-line between the tank the the fuel
filter to prime a '90 Jetta, worked great!
Use a 8 psi pump (Intended for a carburetor) not a EFI pump (32PSI +).

On 3/18/09, Dave Newlin <dhanew at yahoo.com> wrote:
> Hi,
> Thanks for your help on my clutch question. I replaced the clutch cable and
> also I found that the clutch lever had play in it. The rod that the clutch
> pedal and the brake pedal rotated on hand nothing holding the rod from
> sliding out. I placed an E clip in the slot of the end of the rod and  with
> the new clutch cable it seems better.
> Now for my next problem. I tried to start the engine. I took off the bolt
> on top of the fuel pump which has the fuel return line attached to it and
> filled the pump with diesel fuel additive, someone at work said that would
> be the best thing since the pump and the injectors haven't been run in so
> long, maybe this is what caused my problem. Anyway after filling up the pump
> I filled the fuel filter as well. I took off the 4 fuel lines to the
> injectors and turned the engine over until all 4 lines had fuel coming out
> as the engine/fuel pump turned over. I have to admit it wasn't great flow,
> but it was coming out. I put the lines back on the injectors and attempted
> to start the car. It fired and started to start a lot, but the car just
> wouldn't totally start. Then nothing. No firing nothing. I took off the fuel
> lines to the injectors and checked for fuel coming out while turning over
> the engine and now nothing. No flow nothing coming out of the lines. I
> opened the pump again and made sure it was filled by adding diesel fuel and
> still I am getting no pumping. I checked, the solinoid valve on the pump is
> getting power.  I tried replacing the solinoid valve with one off of another
> pump I have lying around and still no fuel pumping out of the lines. I have
> to admit I didn't know how the solinoid valve was put together and when I
> went to replace it the plunger or little tip sort of thing fell out. I put
> it back in and it looked okay. Any ideas beyond just replace the fuel pump.
> Thanks
> Dave
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