bad gas + check o2 sensors? - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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bad gas + check o2 sensors?
Posted by MO [Email] (more from MO) on Wed, 28 Jul 2004 10:14:49
In Reply to: Engine Light On - Carbon Buildup, DaveS, Wed, 28 Jul 2004 09:37:42
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Doesn't the SE model require 91 octane or higher? On 87, you'll be getting detonation in the cylinders, which isn't a good thing. I wouldn't be surprised if 75k on bad gas would foul up your cylinders. Make sure you're running the correct gas specified in the manual.
Another thing to think about is your O2 sensors. If an O2 sensor has gone bad, you might be running rich, which would lead to carbon buildup. I'd imagine that detonation from improper gas could lead to emissions which might damage your O2 sensor, so if you do replace a bad O2 sensor, you should still switch to the correct gas.
Matt
'99 base
posted by 65.106.18...
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