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P0125 Diagnostic Trouble Code Discussion for August 2012

Insufficient Coolant Temperature For Closed Loop

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Trouble Ticket Help Requests for DTC P0125
Help Request Posted
1999 Mitsubishi Galant ES 2.4L Poor Fuel Economy, MIL Lamp on VIN: 4A3AA46G2X
P0125: Excessive Time To Enter Closed Loop. Car has Check engine light on for P0125. Customer is complaining of very poor fuel economy. Car runs well. Mass airflow sensor, coolant and intake air temp sensors all seem to be functioning normally. Drives fine. Short term goes to 24% soon after startup. No ...
August 01, 2012