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.