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When you delete precats and secondary O2's trow codes, does ecu pull back power?

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Old 05-21-2007, 11:21 AM
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Default When you delete precats and secondary O2's trow codes, does ecu pull back power?
My check engine light doesn't work anyways so I don't mind if codes are there but I just want to make sure that ECU is not reducing the power due to codes.
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Old 05-21-2007, 11:25 AM
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your CEL doesnt work??
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Old 05-21-2007, 11:29 AM
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rear O2s should have no effect.
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Old 05-21-2007, 11:35 AM
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it probably burnt out
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Old 05-21-2007, 11:45 AM
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Negative: All the rear O2s do is check for cat effiency.
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Old 05-21-2007, 12:12 PM
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nope
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