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Regional
Eastern Ontario
My 2001 C5 has white smoke out of exhaust.
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<blockquote data-quote="Music" data-source="post: 262219" data-attributes="member: 7765"><p>I`ve never had that problem, the only time I ever say any amount of exhaust vapor was transistioning from 5w30 semi-synth flush to a 0w30 M1 immediately after the oil & filter change, which I assume was oil detergent burnoff. During a long drive I once noticed low coolant due to a faulty thermostat that eventually started throwing a code for stuck open during winter warmup. The onboard diagnostics are very intelligent when the system is not throwing random codes caused by an electrical short of the data bus. If you think that the codes your car has thrown are legitimate, it would be best to first list them, before doing anything beyond adding the `snake oils` I suggested.</p><p></p><p>As far as open/closed loop operation, perhaps one of the engine builders from the Canadian plant might offer some assistance on this forum.</p><p></p><p>My first reponse alternately could have been that you blew a head gasket, but with 50K km and you not having mentioned any strenious engine conditions during the drive, it would seem unlikely.</p></blockquote><p></p>
[QUOTE="Music, post: 262219, member: 7765"] I`ve never had that problem, the only time I ever say any amount of exhaust vapor was transistioning from 5w30 semi-synth flush to a 0w30 M1 immediately after the oil & filter change, which I assume was oil detergent burnoff. During a long drive I once noticed low coolant due to a faulty thermostat that eventually started throwing a code for stuck open during winter warmup. The onboard diagnostics are very intelligent when the system is not throwing random codes caused by an electrical short of the data bus. If you think that the codes your car has thrown are legitimate, it would be best to first list them, before doing anything beyond adding the `snake oils` I suggested. As far as open/closed loop operation, perhaps one of the engine builders from the Canadian plant might offer some assistance on this forum. My first reponse alternately could have been that you blew a head gasket, but with 50K km and you not having mentioned any strenious engine conditions during the drive, it would seem unlikely. [/QUOTE]
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Regional
Eastern Ontario
My 2001 C5 has white smoke out of exhaust.
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