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Home >> Toyota >> 2003 >> Tundra Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self Diagnostics - V6 >> Diagnostic Tests >> DTC P0116: Engine Coolant Temperature Sensor Circuit Range/Performance Problem Or DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control >> Possible Causes
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Possible Causes

These DTCs use two-trip detection logic. For DTC detection conditions and possible causes, see Fig 1.

Fig 1: DTCs P0116 & P0125 Detection Conditions & Possible Causes
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