Where is the purge valve located on a 2003 Chevy Trailblazer? (video)


What happens if purge valve is stuck open?

The most common problem with the purge valve is when it sticks or does not close fully. This may cause the "Check Engine" light to come on. In some cars, a stuck-open purge valve can cause difficulty starting right after refueling at a gas station: for the first few seconds the engine may run rough and stumble. via

How much is a purge valve replacement?

Vapor Canister Purge Valve Replacement Cost

Expect to pay anywhere from $80 to $200 in total. The part will typically cost anywhere from $30 to $120, while the labor costs will be right around $50 to $80. Then, of course, there are fees and taxes added on to this price too. via

Where is the purge valve on a 2005 Chevy Trailblazer? (video)


What does a purge flow sensor do?

The purge valve, also known as the canister purge valve, is part of your vehicle's evaporative emission control (EVAP) system. It traps the fuel vapors created in your fuel tank and prevents them from escaping into the air. via

Can you drive a car with an EVAP leak?

Yes, you are still safe to drive. The EVAP (Evaporated Emission Control System) is used to prevent gasoline vapors from escaping into the air from the fuel tank system to control greenhouse emissions. via

What makes a canister purge valve go bad?

Factors that can cause failure (blocked or damaged) This can block the or one or most supply lines or keep the valve closed to protect the canister or control valve. Moreover, failure of the valve control solenoid's electrical system can allow its valve to remain closed rather than opened. via

What causes purge valve solenoid to go bad?

Causal Failure Factors

If the canister, or any of the supply lines, are blocked or have holes, the solenoid cannot function and the purge control valve will remain closed. In addition, the solenoid's electrical portion can fail, resulting in the valve remaining closed. via

Where is the EVAP canister on a 2004 Chevy TrailBlazer?

The EVAP cannister of a vehicle is a key part of its emissions system and in the 2004 Chevy TrailBlazer it should be installed under the truck on the drivers side near the rear tires. via

Does a 2005 Chevy TrailBlazer have a PCV valve?

The positive crankcase ventilation valve, or PCV valve, in your 2005 Chevy Trailblazer is used primarily for emission reduction purposes. The one way valve vents excess exhaust gasses that blow past the cylinders into the crank case below back into the engine for more complete burning. via

Where is the PCV valve on a 2006 Chevy TrailBlazer? (video)


How do I know if my gas cap is causing my check engine light?

The check engine light should go off after you drive for several minutes if the light was caused by a loose gas cap. Pay attention to the dashboard after the check engine light experience. If you find that the light keeps coming on, and goes off again once you tighten the gas cap, then your gas cap is too loose. via

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