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Conditions For Setting DTC

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

An excessive amount of time passes before the ECT reaches the Closed Loop operation temperature of 50°F (10°C). The amount of time ranges between 2-13 minutes depending on the ECT at start up and the amount of air cycled through the engine since start-up

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