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Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2009 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

After engine stop: 

TYPICAL MALFUNCTION THRESHOLDS

IAT change Less than 1°C (2°F)

After cold engine start: 

TYPICAL MALFUNCTION THRESHOLDS

IAT change Less than 1°C (2°F)