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Registered
Join Date: Feb 2005
Posts: 2
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86 Carrera, replacing O2 sensor yearly :(
Hello Folks,
Just wondering if anyone out there has had this problem. It seems I go through an O2 sensor yearly. I have tried the generic Bosch in the past along with the OEM part, both have failed in about a years time. I am running SSI heat exchangers if that makes a difference. Any help/ideas would be appreciated. the car gets driven about 3-4K a year. Thanks, Chris |
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09-13-2005, 06:58 AM
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Irrationally exuberant
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O2 sensors can get contaminated. Leaded gas or silicone will wreck one for example. Are you running some sort of fuel additive or using leaded racing gas? I've heard that sometimes you can revive them by burning off the contaminants with a torch but I've never tried it.
-Chris
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'80 911 Nogaro blue Phoenix! '07 BMW 328i 245K miles! http://members.rennlist.org/messinwith911s/ |
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09-13-2005, 07:02 AM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,491
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How do you know they are failing?
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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09-13-2005, 07:25 AM
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Registered
Join Date: Feb 2005
Posts: 2
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Not using any additives, and running 93 pump gas.
The last time it went the car was running very rich (black smoke), unplugged the sensor and it cleared up. This time, I started feeling a small misfire of sorts, but would clear up under heavy load at high RPM's. Again, unplugged sensor, cleared up and misfire gone. |
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09-13-2005, 07:46 AM
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The Blue Pheonix
