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Sonic
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Code P0128
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Code P0128
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Thermostat
(5)
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Top problems
Fan stays on
Chevrolet Sonic 2013 LT 1.8 123000 miles
Check engine light
Sensors
Code P0128
Check engine light on, code p0128, already changed sensor and still keeps happening and getting code.
Ignacio
from United States
a year ago
IG
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Same issue here
1 report
GO
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.
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1
IG
Ignacio
from United States
a year ago
No I havent but will do that, thanks.
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KA
kallie
from South Africa
a year ago
If the thermostart is falty will the heater works
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1
AN
Andi
from United States
8 months ago
I had the same issue and it was the thermostat
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