Question about 2002 Chrysler PT Cruiser
In general I know of no reason per se to replace the thermostat and
temp sensor because you replaced the radiator fan. If the temp gauge
seems to be staying in the 1/3-2/3 of full scale, and there is no
apparent engine control issues as the engine warms from cold to
operating temperature then there is no obvious reason to replace those
items. Other than fan motor failure is there any reason for you to
believe these other parts are at fault?You can get a free fault code
readout at an Autozone parts store which would highlight a temp sensor
problem, but there is no fault code for the thermostat except maybe the
one for engine running cold for too long a time after start up. You
could also check the resistance of the temp sensor which should run
around 10-14,000 ohms when cold and drop to 700-1,000 ohms when warmed
I don't know about the issue of replacing the thermostat because I don't know which engine you are working with. So let me know an
Posted on Jul 15, 2008
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Posted on Jan 02, 2017
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