Fan stays on

Chevrolet Sonic 2013 LT 1.8 123000 miles
Check engine light on, code p0128, already changed sensor and still keeps happening and getting code.
Ignacio from United States a year ago  
IG
1 report 
Gonza R from Argentina a year ago
Have you check the thermostat? In many Chevrolet cars that code indicates that the engine is not reaching the operating temperature, usually due to a thermostat failure.
Ignacio from United States a year ago
No I havent but will do that, thanks.
kallie from South Africa a year ago
If the thermostart is falty will the heater works
Andi from United States 8 months ago
I had the same issue and it was the thermostat
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