Another header code thread.
02-19-2010, 08:54 PM
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Another header code thread. After installing the ARH 1 7/8" headers and catted-y, I had a leak, got that fixed. And I was also pulling the code P1133 and P1153 after driving it a while. So I thought the coating from the headers contaminated the O2 sensors. I bought 2 brand new AC delco ones for each side, and I am still pulling those 2 codes. What else can cause these codes?
