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P0197 Diagnostic Trouble Code Discussion for October 2023

Engine Oil Temperature Sensor Circuit Low


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Trouble Ticket Help Requests for DTC P0197
Help Request Posted
2011 Ford Fusion SEL 3.0L Cuts out, MIL Lamp on VIN: 3FAHP0CG7B
P0197: O2 sensor signal biased/stuck lean b2s1. ... pressure good, can clear codes; P0195 & P0197 come back within 10 minutes. I can artificially enrichen system and all 4 o2 sensors react. Also has intermittent stall at idle ONLY in park. Any help is appreciated!
October 06, 2023