It is not in any true sense a cold start injector. All it is for is to slightly change the timing of the normal injectors. It injects nothing into the combustion chamber or intake. Called a "commencement of injection valve" in many other documents. Used as a cold starting aid in VW diesel engines beginning in the 90s, including TDI engines. Commonly known as a cold start valve. Previously this function was performed by a dash cable actuated device, then switched to this electrically controlled device. Mark
Mike S wrote: > At 08:55 PM 9/26/2008, Scott Daniel - Turbovans wrote... >> why can I not remember where one is on an AHU then ? > > I don't know. > >> remind me please. > > It's not a separate nozzle, it's in the injection pump, it changes the > injection timing. It's described here: > http://www.myturbodiesel.com/images/pdf/N108.pdf > > |
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