doubt that a t-stat would cause a car to shut down and restart when cold check for an ignition module proublem
Faulty thermostat.
What makes you think it's the temp sensor? It sounds more like a stuck thermostat, faulty water pump or plugged radiator.
Lack of coolant, faulty thermostat, radiator fan not working...
A faulty thermostat or possibly missing thermostat. The thermostat controls the amount of coolant flowing from the water pump through the engine and then to the radiator. If it sticks open it will not let the engine heat up to design temperatures.
more likely to be a faulty coolant sensor or the thermostat is faulty and staying open
Could be,Low on coolant,A stuck closed faulty thermostat,A faulty cooling fan motor/system,
Restricted air flow through radiator. Low on coolant. Faulty fan clutch (if applicable). Faulty electric cooling fan(s) (if applicable). Faulty thermostat. Give us more info such as the year, make, model and engine info.
Engine overheating could be caused by several reasons. Some of them are, thermostat, faulty fan, faulty sensor, bad rad., blockage somewhere, water pump.
usually, after you start your vehicle, if it doesn't take long for the temp. to rise past the normal position, and your car is full of water. It's probably the thermostat faulty. terry.stone21@yahoo.com.
Engine back pressure is a common ailment in faulty engines. It is when the exhaust sends the power to the very back of the vehicle, instead of through its engine.
Engine Coolant Temperature Circuit Range/Performance issue... This DTC is usually cause by a faulty coolant senor, but can also mean that your engine's thermostat is malfunctioning.
Not knowing what vehicle and engine you have you may have a faulty fuel pump leaking gasoline into the engine crankcase.