How to fix p0128 low temperature problem

Hi friends ^_^
On today’s video I am working on a 2008 jeep grand Cherokee 4.7L engine ,

Symptoms this car had was the following
1. Engine light on
2. Low temperature readings

How to fix this problem?
The way my problem was fix was by replacing the thermostat, after that my temperature readings where back to normal and the check engine light didn’t came back on

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Please be very careful while working on your car, use safety jack stands and gloves, have a wonderful day ^_^
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Due to factors beyond the control of FixitFelix, I cannot guarantee against improper use or unauthorized modifications of this information. FixitFelix assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. FixitFelix recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of FixitFelix, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not FixitFelix.

Видео How to fix p0128 low temperature problem канала Fix it Felix