As the title says, A day or two ago I was wondering why the temp gauge started moving higher then it was supposed to. Today I do some troubleshooting with the AC on and both fans are moving. Is it bad fans? Or is something else messed up. Any help would be greatly appreciated. Thanks.

 

With the engine cool, check the coolant level in the radiator. If it isn't full, add some. If it looks bad and/or it hasn't been changed in forever, change it, but it may be that the radiator itself is corroded internally and so it is not dissipating heat well enough any more, and you need to replace it. Replacements aren't as expensive as you might think - you can get one at AutoZone for $100-$200 most likely. Watch Scotty Kilmer's YouTube video "How to fix and overheating car" for a complete run down of things to check.

 

I actually thought it was low coolant levels that were causing it to overheat. As long as I've had the car which is about 4 years now, It's never overheated. I will check the levels and the rad but I just replaced the rad a year or two ago, Along with new hoses. I tested it again today with the hood up and the car at idle. And the fans won't come on to cool the car no matter how hot it gets. Could it be a sensor issue? I know the fans are good because they both come on as soon as I turn the AC on.

 

It doesnt matter if the fans are coming on when the ac is on. You need to see if the fans are coming on when the ac is off.

 

They aren't. That's the problem I was trying to get across. My wording could have been much better.

 

The simple test is to turn the ignition to on, without starting the car. Disconnect the connector for the fan switch at the end of the lower radiator hose and stick a paperclip in the connector. See if the fans immediately turn on. If they do, then you need a new fan switch from Honda. Do not buy aftermarket cooling system parts.

 

Alright, I will give that a try in the morning and then update here. The lower hose as in the hose at the very bottom of the radiator? Do you happen to know what the OEM part number is for a fan switch?

 

wow - same problem here! what are the chances, same exact issue, practically the same care!