Re: surging at 1500RPM...ECU - Saab 900 Bulletin Board - Saabnet.com
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Swap out the ECU. that's my bet.
I've seen some strange idle/rpm fluctuation problems that were traced back to faulty ECU. its solid state electronics (pre OBD), so you can never be for sure what its thinking.
posted by 173.164.68...
Posts in this Thread:
- surging at 1500RPM, with video of problem, scottinalaska, Wed, 27 Jun 2012 02:32:28
- Further fuel pressure update, scottinalaska, Thu, 9 Aug 2012 10:33:24
- update, scottinalaska, Wed, 4 Jul 2012 03:15:29
- Ever cleaned the throttlebody?, drupchen, Fri, 29 Jun 2012 15:08:02
- Re: surging at 1500RPM...ECU, MC , Thu, 28 Jun 2012 19:01:23 <-- Viewing This Message
- That's the most crazy weird thing I saw yet, vvack0matic , Thu, 28 Jun 2012 18:20:02
- Re: surging at 1500RPM, with video of problem, Justin VanAbrahams , Wed, 27 Jun 2012 13:32:36
- Re: Have you tried disconnecting the MAF from..., Street, Wed, 27 Jun 2012 12:01:49
- my bet: ignition amplifier or LH ECU, Siegfried, Wed, 27 Jun 2012 05:25:02
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