Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
Hey so i was just watching your youtube channel about the (EVAP) for the 2006 chevy impala.i have the same issue the p0499 evap vent solenoid control circuit for my 2008 chevy impala. I change the evap vent solenoid and reseted the code but it came right back almost instantly. is there any way that it could be the pcm or a fuse because idk what else to check. I have volt meter and test light.i tested the red wire and the light comes on but when i test the white wire theres no light.i dont know if its suppose to have power. i dont have the other stuff you used. I tested the vent solenoid and it opens and closes just dont no were the problem can be...
"Knowledge is a weapon. Arm yourself, well, before going to do battle."
"Understanding a question is half an answer." I have learned more by being wrong, than I have by being right.