Check engine light on and temperature gauge not showing any temperatur

the two indicators are pointing to temperature sensor.. anyone have seen this an know where the sensor is and if that is the fix? thank you

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0