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P0125 Diagnostic Trouble Code Discussion for July 2013

Insufficient Coolant Temperature For Closed Loop

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Trouble Ticket Help Requests for DTC P0125
Help Request Posted
2002 Toyota Sequoia SR5 4.7L MIL Lamp on VIN: 5TDBT44A62
P0125: Insufficient Coolant Temperature For Closed Loop. Need help on this in a bad way. Changed all O2 sensors with Toyota parts including thermostat and temp sensor. sometimes this vehicle reads sensors fine then sometimes it doesn't. Don't know what else to look for. Cant find a vacume leak or misfire. Fuel press...
July 16, 2013