I wonder what the heck you are referring to. Diesels inject fuel under
tremendous pressure right into the cylinder when it is already at the
top of the compression stroke. I have AHU and ALH diesel engines in my
possession and don't see any cold start injectors on them.

Mark
diesel head, multiple diesel Vanagon owner

Mike S wrote:
> At 06:58 PM 9/26/2008, Scott Daniel  - Turbovans wrote...
>> but now .......you're saying a TDI ALH engine has one ?
>> I know the AHU better ..............and , correct me if I am wrong
>> ......but there are only  4 injectors on a 4 cylinder ALH tdi engine,
>> and no cold start injector.
>
> Both the ALH and the earlier AHU have cold start injectors. Not quite
> the same as a gas cold start valve, but similar.
>
>