Hi,
The temperature gauge sounds like a bad sensor. Make sure the coolant is full first. If it is, here is what I suggest.
First, I suspect the check engine light is staying on when the engine is running as a result of how it's running. You need to have the computer scanned to identify diagnostic trouble codes. Here is a quick video showing how it is done:
https://youtu.be/YV3TRZwer8k
I realize most people don't own a scanner. However, often times a parts store will scan it for free. If the light is on, have this done and let me know what codes are found.
Next, please confirm the engine size you indicated for me. I am only showing a 1.8L engine.
If it is the 1.8L, I attached a pic showing the coolant temp sensor location. Make sure the wiring hasn't been damaged and it is tightly connected.
Do this and let me know what is found.
Joe
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Friday, February 21st, 2020 AT 1:47 PM