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P1121 Toyota Prius

P1121 Toyota Prius - Coolant Flow Control Valve Position Sensor Circuit Stuck

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P1121 Toyota Prius Comments |  Add Comment
Possible causes
- Faulty Coolant Flow Control Valve Position Sensor
- Coolant Flow Control Valve Position Sensor harness is open or shorted
- Coolant Flow Control Valve Position Sensor circuit poor electrical connection
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Tech notes
There is a Toyota factory service bulletin for the following Toyota models:

2004-2007 Toyota Prius
Toyota Factory Service Bulletin OBDII Code P1121
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Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
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TOYOTA Technical Service Bulletins for P1121 code
2004 TOYOTA PRIUS Engine And Engine Cooling Details
2005 TOYOTA PRIUS Engine And Engine Cooling Details
2004 TOYOTA PRIUS 060000 Engine And Engine Cooling Details
2005 TOYOTA PRIUS 060000 Engine And Engine Cooling Details
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