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04-03-2014, 09:50 AM | #1 | |
AF Newbie
Join Date: May 2009
Location: Bethlehem, Pennsylvania
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P0157 2000 Yukon XL2500
I have a code that just started popping up on my 2000 Yukon XL2500 with 93K. I know I have a spot on the side of the Muffler that was rotted out and patched by the previous owner. My question is would an exhaust leak that far back in the system throw off the O2 Sensor?
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04-03-2014, 01:50 PM | #2 | |
A990 racer
Join Date: Mar 2002
Location: Chestertown, New York
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Re: P0157 2000 Yukon XL2500
No, the leak would normally have to be before the sensor.
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05-18-2014, 08:32 PM | #3 | |
AF Newbie
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Location: Denver, Colorado
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Re: P0157 2000 Yukon XL2500
Any idea of your cats are still good or not?
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