Question:
Answers:
Check engine light came on in my dodge sx2. under warranty. will this be covered if it is bad gas?
P0128 ECT sensor Below Thermostat Regulating Temperature
Possible Causes
Check the operation of the thermostat (it may be stuck open)
ECT sensor is damaged or it has failed
Inspect for low coolant level or an incorrect coolant mixture
PCM has failed!
ECT sensor out of range.
Coolant thermostat (coolant tempature below thermostat regulating tempature)
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