Check engine alarm and light comes on after engin has been running awhile. <br />Checked engin temp- fine.<br />Very good water flow. <br />Checked thermostats-not sticking. <br />Light and alarm go off after load is elimated (engine in nuetral) and runs for a few seconds.<br />Alarm returns with engin under load. <br />What exactly does the Check Engine gauge refer to.<br />Need Help Please..... Thanks