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P0125 Diagnostic Trouble Code Discussion for July 2007

Insufficient Coolant Temperature For Closed Loop

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Trouble Ticket Help Requests for DTC P0125
Help Request Posted
1999 Toyota RAV4 2.0L MIL Lamp on VIN: JT3GP10V3X
P0125: Insufficient Coolant Temperature For Closed Loop. ... fuel ratio sensor and the thermostat. The codes came back p0125 p1135. The customer brought the car to the dealer, dealer said need to replace the air fuel ratio and the thermostat with factory parts. Once again codes came...
July 13, 2007