Re: Surging idle

["Bob D'Amato" <Bob.Damato@snetel.com>]

On Thu, 29 Feb 1996, Robert Myers wrote:

> Hey Y'all,
> 
> A week or two back I asked about an idle problem in which my '89 200TQ (+ 
> Superchips mod) has developed an unstable idle.  It started idling at 
> 1100rpm and surging up to 1600 and then dropping back to 1100 with a 
> period of about 5 seconds.  The period has become shorter and is now 
> about 2 seconds and, as a result, the difference between the higher and 
> lower ends of the range has narrowed.

I hate to say it (THis is no reflection on you Peter!) but a friend with 
an 87 5ktq had the superchips mod done. Although performance was 
generally better, he had surging and idle problems after a while. It was 
diagnosed as the ECU, and it needed to be replaced. Instead of replacing 
it, he put in his stock chip, and all his problems went away. I have no 
idea if this was actually the problem or not, (since they dont actually 
touch the chip, right?!?!?!!!) or more likely a connector problem along 
the way.
no flames pelase, just passing along info.

Bob


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