It will take longer to warm up, it will prob never get up to temp when its cool, it wont cool as well at high speeds like on the freeway, your gas mileage will go down a little, and you have little to no heat, but it will run.
Thermostat is stuck open.
No removing the thermostat would cause your engine not to warm up as quickly as it should. Your water pump may not be doing its job correctly.
The thermostat could be stuck, or the water pump may be bad. Removing the thermostat you can reconnect the system to see if water flows, if not then check your water pump.
Running it while leaking can cause it to overheat repeatedly, which can cause thermostat damage , along with other problems.
A stuck open thermostat will cause a car to run cooler than needed. It will cause oil to sludge, a loss of gas mileage due to running rich and numerous other problems.
A bad water pump or thermostat can cause an engine to overheat. A plugged (clogged) radiator or heater core may also cause an engine to overheat.
It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.
If you are unsure if it is heating because of a water pump or a thermstat, you can find out by removing the thermostat. If it still heats without a thermostat, then you know it is the water pump. Without a thermostat, the water flow has nothing to cause it to heat unless the water pump fails to circulate the water. No circulation of the water would cause the over heating.
Yes, it will backfire quite a bit, possibly stalling. This will foul your plugs.
The primary cause of a thermostat malfunction is corrosion. It prevents the thermostat from opening and closing as it normally would.
Many possible causes... coolant level, thermostat, head gasket, water pump, fan not working
You cause problems for your factory warranty, .... not much to be gained by just removing the DPF.