4kq eng perf condition

Bill Phelps wphelps at rizzo.com
Fri Dec 20 12:13:09 EST 2002

My 87 4KQ definitely has the thermo time switch on the back side of the head
(next to firewall) towards the drivers side, brown, two pin (I think) and
rather long.

Message: 5
Date: Fri, 20 Dec 2002 09:34:17 -0500
From: ben swann <benswann at comcast.net>
Subject: Re: 4kq eng perf condition
To: CTDiesel at aol.com
Cc: quattro at audifans.com

Maybe they did away with the thermo time switch.  I've been very pressed for
time recently, or I'd gladly double check for you.

The one on the cooling neck is definately the FI temp Sender and crucial to
the operaton of the fuel injection system.  They start to get flaky and the
engine sounds like it is falling apart.

----- Original Message -----
From: CTDiesel at aol.com
Date: Thursday, December 19, 2002 11:50 am
Subject: 4kq eng perf condition

> Hey Ben am i correct in this?
> The problem is I dont have any sensors on the back side of the head.
> the only sensors are in the coolant and in the block (oil pressure).
> Its an 87
> 4kq
> DJ


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