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The BMW Range
3 Series
E36
Preventive Maintenance: O2 Sensor
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<blockquote data-quote="anakin" data-source="post: 417419" data-attributes="member: 2061"><p>Bro Jarance..after we change new o2 sensor, do we need the ecu, or the ecu will reset itself? mine is e34 m20b20 convert to m30b35. The symptoms are..</p><p>- the exhaust fumed has a very bad/stink smell</p><p>- early in the morning, when I first start the engine, black smoke coming out with the stink smell (from what I read, car running rich)</p><p>- very very bad mileage..56.66 l/353km only</p><p>From what I read thru net, this shows o2 sensor failure..so I bought new sensor and let my mech installed it...</p><p>Today in the 2nd day, but it still the same..<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p><p>Any idea?</p></blockquote><p></p>
[QUOTE="anakin, post: 417419, member: 2061"] Bro Jarance..after we change new o2 sensor, do we need the ecu, or the ecu will reset itself? mine is e34 m20b20 convert to m30b35. The symptoms are.. - the exhaust fumed has a very bad/stink smell - early in the morning, when I first start the engine, black smoke coming out with the stink smell (from what I read, car running rich) - very very bad mileage..56.66 l/353km only From what I read thru net, this shows o2 sensor failure..so I bought new sensor and let my mech installed it... Today in the 2nd day, but it still the same..:(:( Any idea? [/QUOTE]
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Preventive Maintenance: O2 Sensor
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