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Showing results for tags 'open loop'.
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Hi all, my 03 XR6T is having some issues, had problems with overboost, mainly in the cold. Ive had dtc P1131, P1132 and P1227 and replaced the O2 sensor twice. Codes, and boost of up to 8psi, were detected on Torque app which is now also showing "open loop system fail" and car is intermittently idling really rough. Im assuming, even if the O2 sensor is gone again, the problem is elsewhere. Any help greatly appreciated. I'd like to fix it myself as I don't know of any good tuners around here.
