David Read defender110 at ozemail.com.au
Wed Oct 10 12:20:31 BST 2007

A couple or three possibilities ...
* Have you replaced the ignition amplifier module on the radiator side 
of the dizzy?

Could also be injectors ... they are fired in two banks of 4.
Possible trouble spots ...
* Check the soldered joints around the large power driver transistors in 
the ECU.
* Check the connections and wiring in the injector ballast resistor box.

Both have given me grief in the past.

Cheers and good hunting
South Oz

Lewis, Joseph (Michael) wrote:
> Hello fellow Rover enthusiasts -- 
> I have a problem and I hope someone can help me solve it. MY federal SD1
> with fuel injection recently started running very rough. It feels like I
> lose a cylinder or a bad firing miss. It doesn't occur during cold
> starts but within 3-4 minutes it occurs. The loss of power is dramatic
> needless to say. 
> I changed the wires, plugs, cap and rotor but this didn't solve it. 
> Any ideas, guesses or experiences with something like this? Thanks for
> any help. 
> J. Michael Lewis
> Gambrills MD (outside Annapolis)
> 1980 SD1 turmeric
> 1980 SD1 aqua

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