Hey can anyone tell me what is wrong with my car I replaced the cylinder head temperature sensor. But the the wires on the harness are exposed and the codes are still showing. Now I hear a noise like air escaping when I accelerate. Also my heater hose is leaking. Could that be the problem. I took it to pep boys and they told me it might be a cracked cylinder head but I don’t believe them cuz they tried to sell me brake calipers and my calipers are fine.