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o2 sensor

Old 11-Feb-2005, 10:16 PM
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Question o2 sensor

so before my engine light kept coming on at highspeed so I checked the code and its #1 code for 02 sensor os I put a new one in damn thing cost me $100 and every so often it will come on out of the blue, what else could it be??
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Old 12-Feb-2005, 02:28 AM
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when you get a code 1 it means your O2 sensor is working properly, it's just reading a rich condition in your exhaust... so you wasted $100 for nothing.
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Old 13-Feb-2005, 11:20 PM
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did you chip your ecu?

that can explain why you're running rich
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Old 16-Feb-2005, 12:42 AM
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yeah check over everything like ignition timing do you have a FPR set at the wrong psi ?
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