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O2 and VSS codes
Codes for both N2 upstream O2 sensor and VSS sensor just came on. Its only intermittent and when its cold in the morning. All 4 sensors are brand new and just passed Cali smog. There is no issues otherwise. Runs fine and no change to idle or anything. Plus like i said it resets by the afternoon...- jwhowes
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- Forum: 1st Gen Ford Expedition Engine & Performance
