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Old 09-02-2003, 05:26 AM
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Cool Replace 2 of 4 oxygen sensors with pipe plugs??

This is Stephen, I recently bought a retired a 98 Indiana State Trooper Police Unit (Crown Vic Police Package). One of the things I've had to replace is 2 of the 4 O2 sensors. The car is equipped with dual exhaust, with dual catalytic converters. Each converter has an O2 sensor before and after it. I know that each sensor takes readings to monitor exhaust gasses both before and after the converters which help the engine run at optimal effeicency. My question is, because of the cost of having to replace all four sensors, could 2 of the sensors be replaced with a simple pipe plug thaat would screw into the o2 sensor bung. My other question is, Would doing this have a negative affect on engine performance? and finally if eliminating 2 of the 4 sensors would not have a negative affect on engine performance, which sensors would best be suited for elimination, the ones before or after the catalytic coverter's?

I realize I would probably end up having the engine light come on, but it was just an idea I thought of and was wondering if it would work.

Thankyou to anyone who reads my posting and any advice on this is issue very much appriceated.


Last edited by Crown Vic Police; 09-03-2003 at 12:01 AM.
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Old 09-02-2003, 06:52 AM
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It's always good to keep everything stock for EPA and vehicle inspection purposes. However, the two sensors after the cats monitor the cat efficiency. They would be the ones to eliminate, if one was to eliminate something.
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Old 09-02-2003, 07:48 AM
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I wouldn't remove any of the sensors. The car would recognize this and cause the car to run in a lean condition and throw a check engine light.
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