Where is the thermostat located?

Where is the thermostat located?

Most thermostats are located where the top radiator hose joins the engine, so these steps deal with this type. If your thermostat is in the bottom radiator hose, the principle is the same.

What are the symptoms of a faulty coolant temperature sensor?

Symptoms of a bad or failing coolant temperature switch (sensor)

• Poor fuel economy. One of the first symptoms associated with a problem with the coolant temperature sensor is poor fuel economy.
• Black smoke from engine.
• Overheating engine.
• Check Engine Light comes on.

What causes the p0128 OBDII trouble code on a Chevy Trailblazer?

P0128 is a relatively common OBDII trouble code. It is triggered when your Chevy Trailblazer‘s coolant temperature fails to reach the proper operating temperature. It’s a generic powertrain code, which means that regardless of who manufactured the vehicle, it’ll have the same meaning (1996+).

What causes a p0128 code on a thermostat?

Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is going to be a thermostat that is stuck open. When a thermostat is stuck open, it allows coolant to flow through the engine at all times.

What causes a Chevy Trailblazer to have a coolant leak?

It is triggered when your Chevy Trailblazer ‘s coolant temperature fails to reach the proper operating temperature. It’s a generic powertrain code, which means that regardless of who manufactured the vehicle, it’ll have the same meaning (1996+).

Why is the thermostat on my trailblazer not working?

Trailblazer Thermostat Wiring – If the thermostat itself isn’t the problem, it’ll be the wiring/sensor associated with engine water temp detection, or the coolant temperature sensor itself. If playback doesn’t begin shortly, try restarting your device.