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Old 03-13-2009, 06:56 PM   #1
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CEL only with Custom Tune

Hi Tom,

I'm getting the following CEL:

P0133 O2 circuit slow response

I've had this problem before, and they've replaced the 02 sensors. It's been fine for a year, now it came back. Problem is, I flashed back to stock so I can take it to the dealership, now the CEL won't come back. I cleared it twice with the custom tune on, and it came back within a day. Now i've been driving for more than a week and still nothing. It seems the CEL is only thrown with your tune. Any ideas?

Thanks,

J


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Old 03-14-2009, 05:15 PM   #2
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My tune has nothing to do with how the o2 cel is generated , 1 year out of an SVT o2 is doing good

Tom
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