lexusjr63 Posted May 13, 2011 Share Posted May 13, 2011 I check with mi tester and reads PO125 clsd loop fuel ctrl insufficient coolant temp.I already flush the radiator and change thermostat what i sould do next check engine light went on again Quote Link to comment Share on other sites More sharing options...
Jeff from El Cajon Posted June 7, 2011 Share Posted June 7, 2011 Could be a bad coolant temperature sensor, keeps throwing false positives. Quote Link to comment Share on other sites More sharing options...
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