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O2 sensors - what do they do????
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<blockquote data-quote="Herbert" data-source="post: 501794" data-attributes="member: 18029"><p>Error codes will only appear when your pre-cat 02 lamda sensors are totally fired. Based on your car's mileage (believe should be over 100,000 km), your pre-cat lamda sensors are already degraded hence fuel consumption is high.</p></blockquote><p></p>
[QUOTE="Herbert, post: 501794, member: 18029"] Error codes will only appear when your pre-cat 02 lamda sensors are totally fired. Based on your car's mileage (believe should be over 100,000 km), your pre-cat lamda sensors are already degraded hence fuel consumption is high. [/QUOTE]
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O2 sensors - what do they do????
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