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05-31-2016, 07:22 PM
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#1 |
 
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P0496 Code
P0496 - The ECM has detected pressure in the EVAP system during a non-purge condition
Has anyone encountered this code before and how did you fix it? The car is not my DD. Have not driven it in a week due to bad weather and the day I start it I get this code. Car seems to run fine but the check engine light just annoys the crap out of me. Hoping this fix is under the hood and not under the rear of the car  Any help greatly appreciated. Read more: http://www.autocodes.com/p0496_chevr...#ixzz4AHJMxZJX
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Livernois Stage II Heads & Cam, LS7 Lifters, Ported Intake & Throttle Body, Rotofab CAI, BBK High Flow Fuel Rail @ Guage, Eaton Tru Trac Posi with 3.91 gears, 1000 HP Axels, Kooks Long tubes & full Corsa Exhaust, GM Hurst Short Throw Shifter, Mcleod RXT Twin Disc, Vitesse Throttle Controller, 1.5" Lowering Springs, Strut Tower Brace, SLP 25% Underdrive Pulley, Apex reservoir relocation kit and air scoop.
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05-31-2016, 09:00 PM
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#2 |
   
Drives: 24 LT1 M Join Date: Oct 2015
Location: North/Central FL
Posts: 1,121
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gas cap securely tight?
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05-31-2016, 11:38 PM
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#3 |
Drives: 2016 Camaro 2SS Join Date: Apr 2011
Location: Spring, TX
Posts: 134
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I had the same issue and it was at the rear of the car near the gas tank. Cost me about 700 to fix. I hope it's not the same issue I had. Try the cheap fix first. Change the gas cap & see if that cures it.
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2016 Nightfall Gray 2SS A8 NPP Low Gloss Black Wheels
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06-01-2016, 01:14 PM
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#4 |
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Vent Valve Solenoid at the rear.
been there done that... such a common problem... :/ $70 dollar part... hours of fun dropping the rear end lol |
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06-01-2016, 03:40 PM
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#5 |
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No go on the gas cap...guessing I have some work cut out for me this weekend :-( My first weekend off in two months too
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Livernois Stage II Heads & Cam, LS7 Lifters, Ported Intake & Throttle Body, Rotofab CAI, BBK High Flow Fuel Rail @ Guage, Eaton Tru Trac Posi with 3.91 gears, 1000 HP Axels, Kooks Long tubes & full Corsa Exhaust, GM Hurst Short Throw Shifter, Mcleod RXT Twin Disc, Vitesse Throttle Controller, 1.5" Lowering Springs, Strut Tower Brace, SLP 25% Underdrive Pulley, Apex reservoir relocation kit and air scoop.
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06-01-2016, 03:41 PM
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#6 |
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Thanks fro the info though
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Livernois Stage II Heads & Cam, LS7 Lifters, Ported Intake & Throttle Body, Rotofab CAI, BBK High Flow Fuel Rail @ Guage, Eaton Tru Trac Posi with 3.91 gears, 1000 HP Axels, Kooks Long tubes & full Corsa Exhaust, GM Hurst Short Throw Shifter, Mcleod RXT Twin Disc, Vitesse Throttle Controller, 1.5" Lowering Springs, Strut Tower Brace, SLP 25% Underdrive Pulley, Apex reservoir relocation kit and air scoop.
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06-01-2016, 06:41 PM
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#7 | |
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Quote:
I've swap this part on several Camaros now in around 2 hours. first time it took me 3-4... plastic clip holding the old valve to the bracket is a major pain. I brake the plastic clip holding it since it will be replaced by the new one anyways. Good luck buddy! 
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