LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Service light with radiator fan.

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Old Apr 23, 2007 | 11:58 AM
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Default Service light with radiator fan.

I just put in a highflow catalytic converter on my 94 A4 Formula, and now after a couple minutes of driving my radiator fan kicks on and sets off my ses light, the car is not hot when this happens, and a lot of the time if I'm at a stop light for a little while it will shut off and the ses light will go out with it. As soon as I start driving again they both kick back on.

Any ideas on how I can solve this? There is no change in performance, just annoying that rather than hearing my engine, I have to listen to the fan run constantly.
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Old Apr 23, 2007 | 01:26 PM
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You need to get it scanned and find out what the code is. For some of the more severe codes, the fans will automatically cut on.
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Old Apr 24, 2007 | 11:04 AM
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yeah, you have it backwards, the ses is causing the fan, not the other way around
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