[olopezm]

Hi there! It's been a long time Rich,

Thanks for your help; I live at the center of the republic, this is a mid-temperature zone not too hot nor too cold, the lowest temperatures might be close to 23ºF but only on ver cold winters and 41 during a common winter, in any other case normal temperature is around 80ºF. So far there are no codes and even when the car was running without a thermostat I never got any t-stat DTC so I guess there is nothing to worry about...

Best regards,

Oscar.

PS. I learned something new today after cleaning the IAC; if it's dirty it can cause the steering pump to whine, that had been driving me crazy for about two years, I replaced the pump twice and no success; took it to the mechanic and got the rack rebuilt, all seals were replaced... no success. I never had any stalling or RPM problems until the last weekend when they were jumping up and down without any apparent cause. I decided to inspect the IAC and it was full of carbon; gave it a good clean, topped the steering reservoir and voila the whining noise is gone! and everything thanks to this great forum. Thank you all guys!