Code P0 125

[GRANTBP]

Got this code do I need to change the temp sensor or thermostat

[throttle jockey]

You probably have a 160* t-stat. Ideally you should swap to a 180* t-stat but I say clear the code and forget about it until next year when it pops again.

[GRANTBP]

You probably have a 160* t-stat. Ideally you should swap to a 180* t-stat but I say clear the code and forget about it until next year when it pops again.

If pop up after I cleared it I will change the stat haven't changed it had truck for 11 yrs it's time the temp is good it only does it when it below 35° thanks for the info

[GRANTBP]

Changed the Stat after about 200 miles no code I think it's fixed