P0128 Code (Symptoms, Causes, and How to Fix)

P0128 engine code

The P0128 error code suggests that your car’s coolant temperature was at an unusual level after operating your vehicle. Your engine coolant should reach around 160° F (71° C) within 15 minutes of starting the engine. The powertrain control module (PCM) monitors signals from the coolant thermostat to determine if it reaches this temperature in … Read more

5 Symptoms of a Bad Thermostat (and Replacement Cost)

symptoms of a bad car thermostat

A car thermostat is a simple yet very important component in a vehicle’s engine. Its purpose is to control the flow of coolant to allow the engine to maintain a proper temperature under various conditions. If the component were to fail, the thermostat would usually be in what’s known as a “stuck open” or “stuck … Read more