Page 1 of 1

Temperature Gauge

Posted: Sun Oct 15, 2006 11:31 pm
by Frenchylicious6
Hi, i was taking driving my prelude today, and i noticede that the engine temperature gauge has a tendency to rise all the way hot when the car is stopped, especially with the A/C on.. this kind of got me scared, and there was no fan starting. it went back down when i started moving again.. is this a common problem or could it be a faulty sensor or wat?
thanks for the help!

Posted: Mon Oct 16, 2006 12:41 pm
by spiffyguido
The cooling fans are hooked up to a control unit that I've heard fails sometimes. You should examine the wiring to your cooling fan(s) and make sure that your don't have a short or something.

I think that Honda refers to this control unit as the 'Radiator Fan Timer' and it is bolted in next to your ECU, likey incased in a small box. You can see a picture of it:

Control Unit, PGM-FI, Bulkhead

I'm not an expert on 4th gen preludes, but you may also have a seperate fuse for the cooling fan system. Check your fuse boxes for faulty fuses and replace as needed.

Posted: Mon Oct 16, 2006 8:17 pm
by Frenchylicious6
alright will do, thx again for the help