Re: Intermittent Check Engine Light - Saabnet.com Bulletin Board


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Re: Intermittent Check Engine Light
Posted by S Carlson [Email] (more from S Carlson) on Sun, 17 Dec 2017 20:16:34

In Reply to: Re: Intermittent Check Engine Light, Justin VanAbrahams, Thu, 14 Dec 2017 13:13:56
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Since it's an '89 non-turbo, it could be the first sign of an ECU on the way out. The '89 non-turbo is sort-of known for its ECU failing prematurely for whatever reason. Usually this causes a no-start condition, but I have seen it fail in weirder ways. I wrote a little bit about it in the Saabnet thread linked below. Unfortunately the only way to see if it's the ECU is to change it. Of course I would also start by pulling the codes. It might be something simple.

posted by 75.69.61...

Saabnet thread on 1989 ECU


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