[urq] bucking urq

[Ben Swann]

From: "Wylie Bean" <theringmeister at triad.rr.com>
To: <benswann at comcast.net>
Sent: Wednesday, October 19, 2005 8:44 PM
Subject: bucking urq


> Ben,
> I don't have an urq, but have been paying attention to this thread and> 
> have seen all the suggestions people have made and the resultant> changes 
> you've made to the car.  Do you have the Bosch Fuel Injection> and Engine 
> management book by Charles Probst?

Yes - like part of the Bible for these cars.

In the section for CIS,  under troubleshooting & service, there's a chart 
which lists symptoms,
> probable causes, and corrective actions to take.  It seems to me like
> I'd check your coolant temperature sensor.

That is new and I swapped as a test - not the problem.

> It may sound funny, but if  the condition is occurring when the engine is 
> hot, the sensor could be sending a false signal to the ecu telling it that 
> it's cold, and  therefore the mixture could be off.
>
> The book is very thorough, and covers a number of Bosch systems.  If you 
> need me to fax or scan and email pages to you, let me know.

Thanks! Ben
>
> Wylie Bean
> TheRingmeister at triad.rr.com
> 90 Cq
> 99.5 A4 Avant 1.8Tq
>
>