P0128 2002 FORD F150 - Coolant Thermostat Coolant Temp Below Thermostat Regulating Temperature
P0128 2002 FORD F150 Possible Causes
- Leaking or stuck open thermostat
- Low engine coolant level
- Insufficient warm up time
- Faulty engine coolant temperature sensor
- Engine coolant temperature sensor harness is open or shorted
- Engine coolant temperature sensor circuit poor electrical connection
How is the P0128 2002 FORD F150 code repair?Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Indicates that the Thermostat Monitor has not achieved the required engine operating temperature level within a specified amount of time after starting the engine.
What is the cost to diagnose the P0128 2002 FORD F150 code
Labor: 1.0The cost to diagnose the P0128 2002 FORD F150 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
How much do you know about cars?
Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge
When is the code detected?The engine coolant temperature does not reach to specified temperature even though the engine has run long enough.
- Engine Light ON (or Service Engine Soon Warning Light)
P0128 2002 FORD F150 MeaningCoolant thermostat (coolant temperature below thermostat regulating temperature). Indicates that the thermostat monitor has not achieved the required engine operating temperature within a specified amount of time after starting the engine.
More InformationNeed more information on how to fix the P0128 2002 FORD F150 code?
Get Access to Factory Service Manuals