Look to see if the compressor is running when the ac is on. If not, then check the Freon pressure, as the compressor won't run if the Freon is low.
Sounds like you need to replace the thermostat.
the heater matrix is blocked
umm recharge your ac compresser u can buy the kit at wallmart for like 30 bucks
I have the same problem with my 98 Isuzu Rodeo. If you haven't already, replace the Idle air control valve. I have the same problem with my 98 Isuzu Rodeo. If you haven't already, replace the Idle air control valve.
If it happens only at idle speeds I'd suspect it is low on freon. If it's intermittent at all engine speeds there may be moisture in the system affecting the expansion valve or a problem with the expansion valve itself.
I have a '98 4wd V6 Rodeo and average 17 mpg.
yes they were made with the same engine
Have you replaced the thermostat?
5 139.7mm/5.5
thermostat stuck
My 98 rodeo has disk brakes in the rear not drums,are there drums on some models.
under the driver's door to your right.