From what I understand this po449 code is a common occurance across the board . It pertains to a bunch of vehicles and can be caused by many things . The trick is to isolate the problem and proceed form there . Get the code / codes scanned at an autoparts store and they should supply you with a...
fuel gauge error
Well... my new challenge is figuring out why my fuel gauge reads 1/4 of a tank over actual fuel level . It wouldn't move under a 1/2 tank until the previous work mentioned was done . Then it started reading under 1/2 tank as what appeared normal . Really strange ! I'm going...
broken wire at purge valve
Yeah Dart Boy , I'm guessing in your case that the pcm didn't see a return signal from the purge valve because of the broken wire . Which the pcm then would not allow current to the evap solenoid . That's what kept me confused , with the computer logic of that evap...
correction on test light findings
Sorry folks... what I meant to say was that when I probed the red wire side of the solenoid connector I had voltage ( bright light ) not dim . That is what led me to believe the solenoid was defective .
2006 silverado / po449 code repair
update on po449 code repair.
my evap vent solenoid was a ac delco#214-2082 , gm# 19207763 . to test the old one i backed the truck onto ramps , unplugged the evap solenoid , turned the keyswitch to run position ( engine off ) , had my 12 volt test light ready...
po449 code
HEY DARTBOY , THANKS FOR THE REPLY . THATS THE PROBLEM I HAVE THAT I DON'T HAVE ACCESS TO A SCANNER SO I WOULD BE ABLE TO COMMAND THE VENT VALVE AND THE PURGE VALVE OPEN AN CLOSED , WOULD BE ALOT EASIER TO ISOLATE THE PROBLEM . MY REPAIR SHOP WANTED TO DO A SMOKE TEST , BUT WITH A...
po449 code
I have a 2006 silverado 5.3 with 139,500 miles and has po449 code . the exact definition / evaporative emiss control sys. vent valve/solenoid circuit malfunction .
So i did my homework so i could understand how the evap system works and that helped me decide to fix it myself . I...
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