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I have a set of Mac Longtube headers on my 2001 GT. Im now pulling a P0153 Code after the header install. This is the drivers side front O2 Sensor. I spliced in the extra wire needed on both sides but the driver side is returning the code. The car is running great, no problems at all.

Anyone know how this can be fixed or if anyone else has had this issue?

Ryan
 
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