Engine coolant Temperature ( ECT ) sensor does not meet minimum thermostat regulating temperature. Need to replace ECT sensor. Make sure engine is COLD before changing. The sensor is on the right head back beside the last spark plug.
P0128 is thermostat malfunction. The thermostat needs replaced.
Yes but, if the light is flashing no.
Trouble code P0128 means:Coolant thermostat (coolant temp below thermostat regulating temp)
Trouble code P0128 means:Coolant thermostat (coolant temp below thermostat regulating temp)
Trouble code P0128 means:Coolant thermostat (coolant temp below thermostat regulating temp)
NO. That means the engine is running too hot. Check cooling system.
Trouble code P0128 means:Coolant thermostat (coolant temperature below threshold regulatin temperature)
Go to Autozone, they will use the scanner, and tell you the code. (that's what the check engine light means) Then, when they don't give you the info, google the code. (for example P0128 = a Thermostat problem) Good Luck!
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Type your answer here... Hello how do you reset the check engine light on a 2003 Toyota 4runner. Thanks