cold idle hunt/stall - Saab 900 Bulletin Board - Saabnet.com
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cold idle hunt/stall
Posted by 88turbo (more from 88turbo) on Sun, 29 Nov 2015 15:28:06
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I posted about my overnight idle change issues last week and I know this has been covered a hundred times on here already (I've read em all) car ran decent with fine start up conditions, then i changed valve cover and dropped torque wrench on battery terminals causing a bit of smoking. since then on mornings i get good high idle for about 10 seconds then down then way down almost stall and then the high to low, sometimes stalling. this hunting goes on until the o2 sensor takes over. then I'm good for the day.I cant find any vacuum leaks anywhere, even though i feel like thats what it is.I redid valve cover gasket. amm tested well. adjusted back to 380 ohms then adjusted accordingly until o2 sensor sways properly. all grounds cleaned. aic tested well. tps tested well new plugs,rotor,etc....this all happened as it started getting a lot colder coincidently. Could i have fried the battery. could the cold be bringing out bad injectors or injector seals. I'm baffled. Is there any thing obvious I'm not thinking of? thanks
posted by 71.222.6...
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