i got an error code P0016 on my 2003 jetta 4 cylinder and so i changed the engine coolant temp sensor?
by on Thursday, July 1st, 2010 | 3 Comments
but the temp gauge is still turning on, help i just drove from cali to texas and i have noone here.
that is error code P0116 not P0016
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Fuses to fan? Is the fan coming on when temperature rises(also should come on when AC is on)
okay I am not quite sure which fault that is but if your red coolant light is flashing at you and your coolant bottle is full, it most likely is the water pump. The water pump propeller is plastic and breaks easily. There is no coolant flow and vehicle begins to overheat. It is possible it could be a thermostat but most likely it is the water pump. Usually with a bad thermostat, the gauge will fluctuate up and down. If it climbs up extremely quick after you start driving it, this is a good indicator that it is the water pump.
This could also be a faulty coolant bottle or low coolant level. The coolant bottle (round thing with pink fluid in it) has a level sensor, which can go bad and trigger the high temp warning. Unfortunately, there is no way to test it because Volkswagen does not publish electrical specifications for its operation. It’s also possible that you got a bad coolant temp sensor. It’s happened to me…
Good luck…