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02 Sensor Bad After 2 years
I was getting a voltage reading from the o2 sensor to adjust for lean condition at idle and it seems its only showing .04v or so. It doesn't fluctuate at all. Could it be dead already as it seems to be.
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03-24-2023, 05:21 PM
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Join Date: Mar 2019
Posts: 1,611
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Add some carb spray to the intake tract while the engine is running. The O2 voltage should go over 0.8V if it's working properly and you added enough carb spray.
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03-24-2023, 07:48 PM
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PCA Member since 1988
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What car? Is it an OE sensor for the 84-89 DME or 80-83 CIS lambda control, or is it an aftermarket setup? Some aftermarket sensors have had pretty short lives.
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1973.5 911T with RoW 1980 SC CIS stroked to 3.2, 10:1 Mahle Sport p/c's, TBC exhaust ports, M1 cams, SSI's. RSR bushings & adj spring plates, Koni Sports, 21/26mm T-bars, stock swaybars, 16x7 Fuchs w Michelin Pilot Sport A/S 3+, 205/55-16 at all 4 corners. Cars are for driving. If you want art, get something you can hang on the wall! Last edited by PeteKz; 03-24-2023 at 09:59 PM.. |
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03-24-2023, 09:57 PM
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Bosch sensor for 84 DME.
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03-25-2023, 09:05 AM
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PCA Member since 1988
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That should last longer than 2 years. Did you run any racing fuel or something like that, that might have had lead in it?
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03-25-2023, 01:15 PM
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Nothing but unleaded. I'm just going to replace it, have one coming Tuesday.
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03-26-2023, 02:00 PM
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