NHTSA Complaint #11462481 — 2014 CHEVROLET CRUZE

I took my car into King Chevrolet last year around August. The car was overheating and the fan was running almost all the time. When they ran the diagnoses which I was charged 100 dollars for, they told me I had a loose plug. About 1 month after that, it started doing it again. I called the service department and was told I should get rid of the car as they are not that good of a vehicle by the service tech. I found the thermostat was broken and replaced it. It helped for a while then I noticed the check engine light and it was code p0420 which stated it was a bad catalytic converter. I noticed a recall in 2018 by GM, recall # 16186. I called them today and they said my car was not affected. It did affect 2014 chevy cruze according to the recall. They wanted me to bring it in to have it diagnosed again for 100 dollars. I have have the valve cover replaced twice as the pvc valve was defective. The car has 116,000 miles now and it had 96,000 when this started happening. I would like to know if they are telling the truth, or just trying to soak me for repairs.