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Why does my 2007 Chevy Equinox keep overheating?
While there are a variety of reasons your Chevrolet Equinox is overheating, the most common 3 are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat.
What causes overheating while idling?
If your car begins to overheat when idling, but the temperature gauge moves back down once you get going, it’s most likely due to a broken radiator fan. When the coolant goes to the radiator, it’s spread over a large surface area to cool it down. Airflow further cools it before it returns to the engine.
Why does my car overheat at idle but not when driving?
Engine overheating can be caused by a number of things such as low coolant levels, a faulty thermostat, or a failing coolant fan switch. When this switch is not working properly, this can cause the fans to come on intermittently, all the time or sometimes not at all.
What causes an equinox to idle up and down?
While there are a variety of reasons your Chevrolet Equinox has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil.
How do you diagnose a water pump?
Five Signs Your Water Pump Is Failing
- Overheating. A dead or dying water pump cannot circulate coolant through your vehicle’s engine and, as such, the engine will overheat.
- Coolant Leaks. Coolant leaks from the water pump are common and a clear sign that it’s time to replace the pump.
- Corroded Water Pump.
- Whining Noises.
Can a bad thermostat cause overheating at idle?
The Thermostat Is Faulty Once the engine reaches operating temperature, the valve will open up and allow the coolant to do its job absorbing extra heat. If the thermostat is broken, the coolant flow will be impeded, and the engine may begin to overheat.
Why is my Chevy Equinox idling high?
Malfunctioning Throttle: A malfunctioning throttle system can cause both a high or low idle as well as an engine stall. A dirty air intake or cracked air intake tube is often the culprit.
Why is my Equinox sputtering?
Fuel injector nozzles can become clogged over time, which can lead to a sputtering engine, slow acceleration and the car not having enough power. If they are not working correctly or are dirty they don’t ignite the fuel cleanly and the car can misfire or sputter. The plugs will need to be replaced or cleaned.