Whats wrong?: In certain cases the engine coolant temperature sensor may be cracked, tThis cracking could cause the engine coolant temperature warning light to come on inadvertently and in rare cases, ...

hi, i have a problem with cold starting, glow plugs will not come on unless i unplug the temp sensor and i have changed every part including plugs, thermostat and temp sensor, glow plug time relay, ...

A coolant temperature model of an internal combustion engine has been formulated to meet the new On-Board Diagnostics II (OBD II) requirement for coolant temperature rationality. The model utilizes ...