Question about 1995 Blazer
be replaced? I have pretty much the same thing going on. If i am driving on the highway, my defrost/vents blow a little hot air (and it is plenty hot) but it seems like the fan speed switch doesn't do
...control circuit * Blockage of vent valve * Bad PCM you will have to replace the evap vent valve for the emisions system usually located at the charcoal canister under the vehicle near the fuel
...in your tank. Try and find the tank breather pipe and see if it isn't clogged up. If it is then you need to remove the blockage. If the tank can't vent the gasses build up and bulge the
Blockage of vent valveBad PCM With a P0446 OBD-II trouble code, here are some things to try: Replace Vent valveRepair open, short, or resistance problem
...on the low and high sides? Seems after 5 minutes with a/c or def on, the fan "slows"down, I put to vents, and the fan seems to speed up, like on a variable switch. I am guessing a coil freeze up,
...Blockage of vent valve Bad PCM Here are some things you can try: Replace Vent valve Repair open, short, or resistance problem in control circuit Repair open, or short, or resistance problem in power ...
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