Rick's Free Auto Repair Advice

Posts Tagged: thermostat

P0128 Most Common Causes And Fixes

P0128 most common causes and fix A P0128 trouble code is generic OBDII trouble code and is defined as: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) What does a P0128 mean When you start your engine, the ECU looks at the engine coolant temperature sensor and the ambient air temperature sensor (or intake air temperature sensor). Based on the starting temperature of the engine and intake air temp, it calculates the proper amount of fuel and starts the engine. Knowing the engine temperature and engine RPM, the ECU calculates … Read More


Custom Wordpress Website created by Wizzy Wig Web Design, Minneapolis MN