need CEL code P0496 advice - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

babaron · 05-16-2013, 04:12 PM

So I got the CEL yesterday. OBD reader says P0496. C-5 Search reveals EVAP solenoid or vacuum issue or such. Here's the deal: I don't have the where-with-all to deal with this myself, and I don't really want the dealer muckin' around in my car. What's the worst that could happen if I just ignore it?

MODS= TVS2300 S/C, LM II exhaust and Blackhawk CAI. Car is still under warranty with GM and is running fine. Just don't want dealer touching it unless necessary.

Chevrolet Customer Svc · 05-16-2013, 06:20 PM

Quote:

Originally Posted by babaron

So I got the CEL yesterday. OBD reader says P0496. C-5 Search reveals EVAP solenoid or vacuum issue or such. Here's the deal: I don't have the where-with-all to deal with this myself, and I don't really want the dealer muckin' around in my car. What's the worst that could happen if I just ignore it?

MODS= TVS2300 S/C, LM II exhaust and Blackhawk CAI. Car is still under warranty with GM and is running fine. Just don't want dealer touching it unless necessary.

Hello babaron,

Sorry you are experiencing an issue with your vehicle right now. I do see that you are not looking to visit a dealer right now but in the event that you decide to, I will be more than happy to locate one nearest you. I will also be sure that they are qualified and skilled to service your vehicle properly.

Reggie B.
Chevrolet Customer Care

TooCool5 · 05-16-2013, 08:57 PM

It will not pass emissions testing.

babaron · 05-17-2013, 10:51 AM

That's not a problem where I live. Is there anything else?

firestone_ss · 05-19-2013, 12:33 PM

the worst is the fact that your check engine light wont tell you if you have another problem. We see this all the time in the biz, a customer says I know why the light is on its been that way for months, but then you ask how do you know if something else went bad after the first problem and you get the blank stare, fix your car!

babaron · 05-21-2013, 08:38 PM

Won't another code thrown also be stored in the PCM and show up with the first code when the OBD reader is attached? Anyway, I have already made an apt to fix it next week, thanks.

NFERNOSS · 05-21-2013, 09:30 PM

P0496-EVAP flow during non-purge. Replace the purge solenoid, they get carbon build up in them and stick open.

Oh yea, I work on all the Vette's at our dealership. Usually it's the vent valve solenoid that messes up, PIA to change. Purge is much easier.....lol

firestone_ss · 05-21-2013, 11:50 PM

Quote:

Originally Posted by babaron

Won't another code thrown also be stored in the PCM and show up with the first code when the OBD reader is attached? Anyway, I have already made an apt to fix it next week, thanks.

point was unless your going to hook a scanner to it everyday you wouldn't know,hope all goes well with the repair

babaron · 05-23-2013, 12:55 PM

Thanks guys, i ll update here next week

babaron · 05-28-2013, 08:17 AM

UPDATE: Went to dealer. Talked with mechanic. Purge valve was bad, as expected. BUT: I told him i have been enjoying the fact that my AFM has been nonfunctional for the last year, and asked if it would fix that. He said probably and I said " let's forget I ever showed up here, and left.

I'd much rather check the OBD reader every week for any new codes and live with the CEL on, than put up with AFM again.

There is a custom tune in my future, just don't know exactly when. Until then, I'll take this.

05-16-2013, 04:12 PM	#1
babaron Totally into it Drives: '67 427vette/'11 Pacecar/'02 BMW ci Join Date: Feb 2011 Location: SW Ohio Posts: 653 View My Garage	need CEL code P0496 advice So I got the CEL yesterday. OBD reader says P0496. C-5 Search reveals EVAP solenoid or vacuum issue or such. Here's the deal: I don't have the where-with-all to deal with this myself, and I don't really want the dealer muckin' around in my car. What's the worst that could happen if I just ignore it? MODS= TVS2300 S/C, LM II exhaust and Blackhawk CAI. Car is still under warranty with GM and is running fine. Just don't want dealer touching it unless necessary. __________________ ____________________________________THERE MUST BE A SUPPORT GROUP FOR THIS ADDICTION. AM I IN THE RIGHT PLACE?

05-16-2013, 08:57 PM	#3
TooCool5 Drives: 2010 Camaro 1LS 3.6 LLT V6 325 HP Join Date: May 2009 Location: LS Posts: 4,242 View My Garage	It will not pass emissions testing. __________________ 2010 Camaro Auto, Inferno Orange, Titanium Interior, Gearhead Wheels AIRAID CAI

05-17-2013, 10:51 AM	#4
babaron Totally into it Drives: '67 427vette/'11 Pacecar/'02 BMW ci Join Date: Feb 2011 Location: SW Ohio Posts: 653 View My Garage	That's not a problem where I live. Is there anything else? __________________ ____________________________________THERE MUST BE A SUPPORT GROUP FOR THIS ADDICTION. AM I IN THE RIGHT PLACE?

05-21-2013, 08:38 PM	#6
babaron Totally into it Drives: '67 427vette/'11 Pacecar/'02 BMW ci Join Date: Feb 2011 Location: SW Ohio Posts: 653 View My Garage	Won't another code thrown also be stored in the PCM and show up with the first code when the OBD reader is attached? Anyway, I have already made an apt to fix it next week, thanks. __________________ ____________________________________THERE MUST BE A SUPPORT GROUP FOR THIS ADDICTION. AM I IN THE RIGHT PLACE?

05-23-2013, 12:55 PM	#9
babaron Totally into it Drives: '67 427vette/'11 Pacecar/'02 BMW ci Join Date: Feb 2011 Location: SW Ohio Posts: 653 View My Garage	Thanks guys, i ll update here next week __________________ ____________________________________THERE MUST BE A SUPPORT GROUP FOR THIS ADDICTION. AM I IN THE RIGHT PLACE?

05-19-2013, 12:33 PM	#5
firestone_ss Drives: 2010 camaro ss Join Date: May 2009 Location: Tacoma WA Posts: 779	the worst is the fact that your check engine light wont tell you if you have another problem. We see this all the time in the biz, a customer says I know why the light is on its been that way for months, but then you ask how do you know if something else went bad after the first problem and you get the blank stare, fix your car!

05-21-2013, 09:30 PM	#7
NFERNOSS Drives: Inferno Orange 2SS Join Date: May 2012 Location: Prairieville, LA Posts: 48	P0496-EVAP flow during non-purge. Replace the purge solenoid, they get carbon build up in them and stick open. Oh yea, I work on all the Vette's at our dealership. Usually it's the vent valve solenoid that messes up, PIA to change. Purge is much easier.....lol

05-28-2013, 08:17 AM	#10
babaron Totally into it Drives: '67 427vette/'11 Pacecar/'02 BMW ci Join Date: Feb 2011 Location: SW Ohio Posts: 653 View My Garage	UPDATE: Went to dealer. Talked with mechanic. Purge valve was bad, as expected. BUT: I told him i have been enjoying the fact that my AFM has been nonfunctional for the last year, and asked if it would fix that. He said probably and I said " let's forget I ever showed up here, and left. I'd much rather check the OBD reader every week for any new codes and live with the CEL on, than put up with AFM again. There is a custom tune in my future, just don't know exactly when. Until then, I'll take this. __________________ ____________________________________THERE MUST BE A SUPPORT GROUP FOR THIS ADDICTION. AM I IN THE RIGHT PLACE?