5KTQ Injector cooling blower

Ameer Antar antar at attbi.com
Tue Aug 20 22:14:55 EDT 2002

You have the Bentley, no? You could have answered your won question...
Looking at the wiring diagram, the injector cooling fan is directly
connected to the Injector Cooling relay (#15). The relay is also connected
to the thermo switch. You said it was disconnected, so there's your problem.


At 12:10 PM 8/20/2002, you wrote:

>From: "Mark Woodland" <markwoodland at hotmail.com>
>To: quattro at audifans.com
>Subject: 5KTQ Injector cooling blower
>Date: Tue, 20 Aug 2002 08:39:07 -0400
>The ongoing vapor lock condition seems to be caused by the lack of juice to
>the injector cooling blower.
>I have yet to locate any mention of the blower, electrical circuit,
>troubleshooting, etc. in the Bently. (under cooling, fuel system, Fuel
>injection, CIS/Turbo, etc, etc..)
>Is it tied to the radiator fan after-run circuit, thermal time switch, or
>what the heck?
>Note: I don't have power at the radiator after-run circuit (at the fan), or
>the thermal time switch either.
>Which relay controls this (and where is it?)
>Any BTDTs would be appreciated.
>Best regards,
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