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TrailblazerSS 3SS
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Discussion Starter #1 (Edited)
P0496 emissions system

finally got around on fixing this problem. i ordered the parts through Greg( two-tons-of-fun). no more CEL :coolthumb:

part # for Purge solenoid GM- 12597567, ACDelco #-214-1680
part # for vent solenoid GM- 25950499, ACDelco #- 25950499


pics of there location

purge solenoid


Vent solenoid


i hope this helps someone.
 
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TrailblazerSS 3SS
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Discussion Starter #2
sorry, title should read P0496 emissions system. can a mode fix it please.:biggrin2:
 

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08 Granite AWD
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303 Posts
ok rounding out this thread with some useful data

the part number of the solenoid by the intake in my car above, smaller than the current version that superseded it (ac-delco 214-1680, or gm 12597567 as mentioned)

the new one was closed when i blew thru it, and it opened when i gave it power... so considering the one removed was open both with and without power.. i assume that it is case closed on this situation, and i would pop this sucker off and blow thru it (unplugged) before doing any more head scratching.. i bet its very common culprit.
 

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2007 Silver 3SS
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Did you have to drop the tank or remove any shielding to gain access to the valve?
 

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2008 Black TBSS
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