Gm code po496

codes are OBDll and available on line free..google P0496 code.

Can a loose gas cap cause code P0496?
Check the Gas Cap

The first thing you should check whenever your car has a P0496 code is your gas cap-make sure it's not loose because a loose gas cap can trigger a P0496.l

https://www.kbb.com/obd-ii/p0496/

https://www.yourmechanic.com/article/p0496-obd-ii-trouble-code-evap-flow-during-a-non-purge-condition-by-valerie-johnston

Try this link
https://www.yourmechanic.com/article/p0496-obd-ii-trouble-code-evap-flow-during-a-non-purge-condition-by-valerie-johnston

code p0496 refers to evaporative emission system--high purge flow===causes--wiring--EVAP valve--mechanical fault
check that the cap is on correctly
replace EVAP valve

The P0496 DTC code is a generic code which applies to all vehicle makes. A quick search on the 'net shows that this code seems to be more common with GM

your evaporative emission canistor solenoid purge valve is either stuck open or shut and needs to be replaced-auto zone pep boys or advanced auto can hook up diagnostic and confirm for free-cheers Denny

You can use gm tech2 to do the troubleshooting.You can get more detail information.

Trouble Code: P0496

Evaporative Emission System Flow During Non-Purge .This is what is listed.

Related Searches: GM Parts - GM History - GM Diagnostic Codes - More... Web Results 1-10 of 266 Code P0496 - Evap system error - SaturnFans Forums
Reading on the P0496 code, I don't know for certain that the solenoid on the manifold is your problem. On my Impala and

try this site, it should help:

http://www.chevyavalanchefanclub.com/cafcna/index.php?topic=88017.0

2007 cobalt and am getting P0496 code as well. would love to know what is cause!