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1983 - 2012 Ranger & B-Series All Ford Ranger and Mazda B-Series models

O2 sensor and cat damage

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Old Aug 25, 2017 | 01:10 PM
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O2 sensor and cat damage

I have a 2000 Mazda B3000 V-6 with a bad O2 sensor (codes P0133,P0171, and P1132 ). I have let it go for quite a while-yrs. Truck runs good but gets bad mileage. Will I (or have I already) damage the catalytic converters. Will the cats ruin the engine if they go bad or simply cause driveability problems. Since I've let it go so long have I already done all the damage that can be done? thanks again
 
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Old Aug 26, 2017 | 05:26 PM
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If the motor has good power you have not damaged the converters, you may have shortened the engines life a little by running it rich all this time but otherwise all should be good.
 
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