91 Jetta TD surging? - IDI Engine - VWDiesel.net The IDI, TDI, and mTDI source.

91 Jetta TD surging? by veedub on 22 Mar, 2005 17:52
My 91 Jetta TD surges when I get to around 3000rpm. It is not very noticable, but still quite annoying. Does anyone have any ideas as to what might be causing this?

Regards
#1 by dieseltech on 22 Mar, 2005 19:09
there are 4 bolts that hold the injection pump in. 3 of them are on the flange that holds it to the timing cover assembly. the other is under where the injector lines come out of the pump. if the one below the injector lines is loose or gone, it can cause this.

could be another problem but i would check there first
#2 by chrissev on 22 Mar, 2005 19:13
Quote from: "veedub"
My 91 Jetta TD surges when I get to around 3000rpm. It is not very noticable, but still quite annoying. Does anyone have any ideas as to what might be causing this?

Regards

turbo lag?
#3 by veedub on 22 Mar, 2005 20:54
All 4 of those bolts are tight. Any other suggestions?
#4 by Dr. Diesel on 22 Mar, 2005 20:59
it's the max speed govenor spring shouting, "shim me! shim me!"
#5 by Patrick on 23 Mar, 2005 03:25
Quote from: "Dr. Diesel"
it's the max speed govenor spring shouting, "shim me! shim me!"

:lol: