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Difference between 311 & 312

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Old Sep 10, 2016 | 06:56 PM
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Default Difference between 311 & 312
Title says it all. This would most likely send one another direction.
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Old Sep 10, 2016 | 07:21 PM
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picture says it all.

Name: ForumRunner_20160910_192117.png Views: 188 Size: 106.6 KB
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Old Sep 10, 2016 | 10:29 PM
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Well I am getting the code 311. What would be the most common? Sensors or valves?
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Old Sep 10, 2016 | 11:32 PM
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I'm going to say you probably have a vaccum line leaking and that's probably another reason you were having the missing not clean running engine.
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