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      06-07-2016, 07:14 PM   #1
BMWRR
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Figure out my code problem

I need some ideas as I've run out. I keep getting p013a and p013e codes. It says downstream o2 slow response blah blah blah. The car has a catless downpipe on it, and has had it for 1.5 years but just started throwing codes the last 6 months. I replaced the 02 sensor, checked every inch of the exhaust for leaks (none), and tried a o2 simulator. Nothing seems to change anything. I can turn on the code scrubber on my jb4 but I want the car to pass the emissions readiness test so I don't have to rush to solve this problem when I have to get tested for tabs later this summer. Any help would but very much appreciated.
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      06-08-2016, 10:13 AM   #2
Downeaster1
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Try factory oxygen sensors and retest. If that fails, swap back on the stock downpipe.
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      06-08-2016, 11:44 AM   #3
BMWRR
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Well it threw codes with the stock sensor and the new sensor
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      06-08-2016, 07:54 PM   #4
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It seems odd to me it would be totally ok with everything for a year then just change its mind
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