Electronic or fuel issues with 1992 900 - Saab 900 Bulletin Board - Saabnet.com
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Electronic or fuel issues with 1992 900
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Posted by FrustratedSaaber [Email] (more from FrustratedSaaber) on Sun, 1 Oct 2023 15:55:53 Share Post by Email
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Hello. I'm trying to resurrect my mom's 900. I have copious SAAB 900 parts at my disposal (my late father collected over 100 on his property). Here's the symptomology: car starts, idles, and runs GREAT for about 15 minutes and then like the flicking of a switch it will die and refuse to start unless it has sat for about 20 minutes. Then, it will run amazingly well for about 15 minutes wash/rinse/repeat.

-Fuel pump works
-Fuel rack has fuel
-Main computer changed/works
-Electronics on the drivers side wheel-well (I forget what they are called) are swapped
-Coil/distributor has spark, wires have been changed
-Fuel pressure regulator swapped (it was sort of gunky)
-Vacuum lines are good
-Various random electronic components on top of the engine have been swapped just for the hell of it.

There are other components I'm sure I'm missing. I'm just wondering if someone can point me in the right direction so that I may narrow this down. This car was bulletproof until this suddenly started happening. My eternal gratitude, and I am willing to answer any of your questions and or run out and test swap what ya guys reccomend. Thanks, folks

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