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Old 06-22-2009, 05:50 PM   #1
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Default option code wa2

anyone have any idea what this option is.. it gave me a differnt o2 sensor what else?
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Old 06-24-2009, 09:01 PM   #2
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I'm pretty sure it is the O2 sensor and some tuning adjustments in the pcm. I believe it was for California emissions, but don't quote me on that.
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