Cleaned the AIC valve? - Saab 900 Bulletin Board - Saabnet.com
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You've certainly done a pretty complete job on this car.
You said that it idles at 900 when you jumper the fuel relay to ground so it comes on with the ignition switch. Hmmm. Try cleaning up the grounds on the lifting eye behind the thermostat. The ECU and just about everything else associated with it grounds to one of those points. It may be the case that there's enough resistance to cause some funky (highly technical term) cycling of the fuel pump relay. Check the ground point on the radiator yoke, too.
I don't think that there's a bulkhead connector between the ECU and anything it controls.
posted by 66.21.16...
Posts in this Thread:
- 89 NA ECU, KeithG, Tue, 22 Oct 2002 23:00:19
- Something else to try ..., RS , Wed, 23 Oct 2002 09:39:55
- Re: 89 NA ECU, RS , Wed, 23 Oct 2002 08:15:53
- Re: 89 NA ECU, JimBlake , Wed, 23 Oct 2002 11:43:01
- What does Pin 14 do? DI or DO? TIA n/m, RS , Wed, 23 Oct 2002 20:01:22
- Pin 14, JimBlake , Thu, 24 Oct 2002 07:53:33
- Yes, you're absolutely right. n/m, RS , Wed, 23 Oct 2002 19:53:20
- Ever get around to swapping the 89 chip into the 90?, Ubipa, Wed, 23 Oct 2002 10:48:11
- Yes, everything else very good, KeithG, Wed, 23 Oct 2002 08:58:56
- ECU history, Mr. Science, Wed, 23 Oct 2002 08:37:23
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