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Does filling exhaust with creek water burn up O2 sensor?

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Old Sep 24, 2011 | 05:33 PM
  #1  
sawdustmaker's Avatar
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Default Does filling exhaust with creek water burn up O2 sensor?

twice now ive lost my front O2 sensor when taking my jeep for a swim. im assuming cold water on the hot ceramic parts in the sensor is what blows the sensor.
My question is if i fix my exhaust leaks, will i have this problem again? will the bend for the rear axle keep it from flooding i DO NOT want to put another $70 O2 sensor on it.

and i will put stacks on it before i stop swimming with it so dont even bother.
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Old Sep 24, 2011 | 06:23 PM
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4.3L XJ's Avatar
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From: Chico, CA
Year: 1986
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Engine: 4.3L with headers and full 3" exhaust system
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Yes, moisture fouls an O2 sensor. You should weld up your leaks anyway. Once that is done, one trick is to keep the engine running and not shut it off until you exit the water.
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Old Sep 24, 2011 | 08:42 PM
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From: Nor-Cal
Year: 1990
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Originally Posted by 4.3L XJ
Yes, moisture fouls an O2 sensor. You should weld up your leaks anyway. Once that is done, one trick is to keep the engine running and not shut it off until you exit the water.
Don't let your foot on the gas. When you drop off it'll suck a little up.

Last edited by Slick761; Sep 24, 2011 at 09:52 PM.
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Old Sep 24, 2011 | 10:57 PM
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sawdustmaker's Avatar
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Originally Posted by 4.3L XJ
Yes, moisture fouls an O2 sensor. You should weld up your leaks anyway. Once that is done, one trick is to keep the engine running and not shut it off until you exit the water.
Is it the moisture or the temperature change? yeah i do, the exhaust was temporary (five minute job yesterday morning after breaking the pipe loose on a trail)
I was trying to stay in it but the water stalled the motor. I need a snorkel.
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