Rough idle update....again...92 900T. Idea's? - Saab 900 Bulletin Board - Saabnet.com
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Rough idle update....again...92 900T. Idea's?
Posted by Z [Email] (more from Z) on Mon, 29 Mar 2010 06:59:41
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This thing was running so bad...muffler caught on fire even. It was a little embarassing when folks at every intersection felt the need to inform me my muffler was on fire. Although worth the shock and awe when I told them I knew. Ha-ha!
Replaced exhaust from cat back, spark plugs, water temp sensor (blue), various vacuum lines and plastic grommets and plastic valves, re-manufactured AMM, cleaned throttle body sensor, cleaned AIC vavle, new after market air filter (no air box = cool), new o2 sensor (Garage used a torch as I couldn't get it out on my own)
Stills stalls out at intersections on occasion and the idle again occasionally chases a bit although not drastic. When it idles high it has not gone over 1200.
I am leaning towards the turbo bypass valve. Vacuum line to it has been replaced. How do I test that correctly? Hate to throw a 150$ part on a whim. Spent enough recently as you can see.
posted by 72.224.220...
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