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Old 07-21-2008, 05:51 PM   #28 (permalink)
tbmiller
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Join Date: Jul 2008
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Default P0171 and P0174

I have both of these codes and my engine light is on. Van runs decent but sometimes rough. Could these two codes mean that both of my O2 sensors are bad? I hate to shell out the money for them if that's not the case. Are they that difficult to pull out and clean?
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