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Conditions For Setting DTC

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

HO2S 2 voltage remains within 150 mV of the bias voltage about 450 mV for a longer amount of time. The amount of time ranges between 100-130 seconds depending on ECT at start-up and average Mass Air Flow (MAF) since start-up.

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