2004 Chevrolet Silverado 1500 Crew Cab "vent" Questions

heat comes out of dash vents. When I switch to floor vents, heat still just comes pout of Dash vents and not floor vents. I can move control from dash vents to floor, to front windshield but air/heat ...

code po446 P0446 - Evaporative Emmission Control System Vent Control Circuit Evap vent valve has only one purpose. It closes in order to seal the vent so the EVAP system can pressurize and ensure ...

trouble code po449 2006 chevy avalanche please help i do not understand this code CODE PO449 -EVAP VENT SYSTEM PERFORMANCE CONDITION.POSSIBLE CAUSES. VENT SOLENOID CONTROL CIRCUIT IS OPEN OR SHORTED ...

...I had O'Reilly's run an OBD check. Code PO446 "Evaporative Emission Control System: Vent Control Circuit Malfunction" came up. How can I correct this issue with out spending ...

blowing hot 2005 Suburban A/C works fine but the drivers side vents start off cold then turn to hot within a few seconds while rear a/c and passenger side vents continue to blow cold. Sounds like the ...

Relaced battery now vents don't work I have a 2003 Chevy Silverado and when the battery was replaced the dash vents don't work anymore. I still have cold air, but it only blows through the the defrost

With pickup at a stop, blower set on max, vent set on full defrost, and temperature setting on cool, a loud whistle comes from the vents on passenger side. If leaves got in to the defroster vents some

Left Vents blow warm/hot air when calling for cold air Left 2 vents blow warm/hot air when air conditioner is on and calling for cold air. right 2 vents blow cold air. Usually a sign of a faulty blend

...know where the locations of this problem would be. PO449 is a Evaporative Emissions Control Syst. Vent/Solenoid Circuit PO455 is a Control System Leak (Gross Leak). I would appreicate your ...

02 SILVERADO. AIR ONLY BLOWS OUT DEFROST VENTS. REPLACED CONTROL PANEL. NO LUCK I had a similar issue on an 05 silverado. Air would only blow out of defrost vents. But this worked for me: 1) Unplug ...