Question about 1999 Toyota 4Runner

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I have check engine light code po125---p1139 toyota 4runner v6

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PO125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP CONDITIONS.POSSIBLE CAUSES - LOW COOLANT LEVEL - STUCK OPEN THERMOSTAT OR FAULTY ENGINE COOLANT TEMPERATURE SENSOR. DID NOT SEE CODE P1139.

Posted on Apr 25, 2010

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Posted on Jan 02, 2017

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