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Home >> Mazda >> 2000 >> MPV ES >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0116: ECT Circuit Problem >> Condition
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DTC P0116: ECT Circuit Problem: Condition

After vehicle has been cold soaked (turned off) for 6 hours, PCM monitors ECT sensor maximum and minimum value when engine is started and 5 minutes after starting engine. If ECT sensor maximum and minimum values vary less than 10°F, DTC is set. Causes may include the following:

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