Thread: 3.8L P0171 High STFT
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Old 09-23-2022, 01:08 PM
maxwedge maxwedge is offline
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Re: 3.8L P0171 High STFT
After cold start you would be in closed loop within seconds if you have a heated sensor. Open loop would occur at full throttle. When do you see open loop? Is the o2 sensor switching up and down?
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