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by Ozvtr
Sat Dec 12, 2020 12:18 pm
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Re: 2006 1.4 fuel consumption

It depends on the fault. If it's open or short circuit probably. I say probably because not every fault will cause the check engine light to come on. I am more talking about deterioration of the O2 sensor's performance and not outright failure. The O2 sensor puts out a voltage range of approximately...