Black spots = oil leak
Gray spots = fuel leak (and a fairly massive one I suspect. I'd look
at the little hoses between the injectors.)
Shiny spots = coolant

SuperClean gets it off.

BTDT.

Jim

On Jan 14, 2012, at 10:48 AM, ralph meyermann wrote:

> I've noticed on some of my drives I've been getting grey oily spots
> on my
> rear hatch! I believe its unburnt fuel!! Possible bad injector/s. Was
> thinking having my friends preferred diesel shop do injectors and go
> through the pump too maybe raise the psi too?? Hoping for better
> fuel burn
> for more mouse power and fuel economy and minimize the mess on my rear
> hatch!
>
> Velma 82diesel 1.6 na westy
>