Chevrolet Error Code P0496: How to Fix It

Q: Can I drive with P0496 code?

Yes, you can drive short distances with P0496, but you should fix it promptly. The code won't cause immediate engine damage, but it can affect fuel economy and emissions compliance.

Q: How much does it cost to fix P0496?

If the vent solenoid needs replacement, expect to pay $150-300 for parts and labor. If it's just vacuum line replacement, costs are typically under $50.

Q: What causes the EVAP vent solenoid to stick open?

Common causes include normal wear and tear, debris buildup, electrical corrosion, damaged vacuum lines, or carbon buildup from fuel vapors over time.

Q: Will P0496 cause my car to fail emissions testing?

Yes, P0496 is an emissions-related code that will likely cause your vehicle to fail state emissions or smog testing until repaired.

Abstract

Error code P0496 indicates your Chevrolet's EVAP system vent solenoid is stuck in the open position, allowing fuel vapors to flow when they shouldn't. This can cause poor fuel economy and emissions issues. Most cases involve a faulty vent valve or damaged vacuum lines that can be diagnosed and often fixed with basic tools.