Head Scratcher 99 CIS issues - Saab Saab Model 99 Bulletin Board - Saabnet.com
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Head Scratcher 99 CIS issues
Posted by Jordan [Email] (more from Jordan) on Mon, 1 Jul 2019 06:00:42
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I've been working on this '80 99 that was originally built by Swedish Motors in PA. The issue seems to be that when the car gets fully heat soaked it seems starved for power intermittently. Fuel supply pressures fine, control pressures seem fine cold and hot. Tank is plastic, new filter, new pump. Timing is good, advance working properly, new ignition parts.
The way it usually works is that it will start and run just fine when cold, warm up and still be fine but if it stops and idles for a while after this and you go to take off it barely gets moving, very low power. Keep moving and then all of a sudden it will go back to being fine again. Then back and forth without reason while driving. Always seems to idle just fine, but sometimes you hit the gas and there is just no go, hit it again and it goes. There was a bunch of crud in the pump filter that I cleaned out , but pump still sounded no great so I changed that. Only other avenue I can think of is an injector issue. Any thoughts?
posted by 73.123.88...
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