okay heres the problem...i went to a honda specialist he said that my oxygen sensor was bad(diagnostic test)1.it was my oxygen sensor but yeah im going to fix it2.here the other problem everytime i turn on the car the air conditoner fan runs even if i turn the a/c conditioner off3.everytime i drive the car my thermostat is going crazy.i even drove it to the max heat gauge but my car didn't overheat even though i have a new cooling system install (radiator) if the thermostat is bad why come it didn't show up on the diagnostics test.whats the problem is the problem connected to each other?