What is the purpose of the Evaporative Emissions Control (EVAP) system and how to replace Canister Purge Valve and Vapor Canister on Kia Optima?

The Evaporative Emissions Control (EVAP) system absorbs fuel vapors and releases them into the intake manifold. Also, the purge valve regulates vapor flow, and the canister closed valve controls the fresh air line. The PCM initiates the EVAP purge sequence, opening valves to draw vapors into the intake manifold. Any leaks or incorrect purge flow trigger the check Engine light.

Genuine Kia Optima Canister Purge Valve

Vapor Canister Purge Valve EVAP

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11 Canister Purge Valves found

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Kia Optima Purge Control Valve
Part Number: 289103C200
$70.74 MSRP: $102.08
You Save: $31.34 (31%)
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Product Specifications
- Other Name: Valve-PURGE Control; Purge Solenoid, Purge Valve
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2016-2020 Kia Optima | 1.6L - GAMMA, 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Purge Control Valve
Part Number: 2891025100
$57.75 MSRP: $83.33
You Save: $25.58 (31%)
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Product Specifications
- Other Name: Valve-PURGE Control; Purge Valve
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2015 Kia Optima | High Grade, Middle Grade | 2.0L - Theta 2, 2.4L, 2.4L - Theta 2, 2.4L - Theta FF | 4 Door Sedan, Sedan - 4Door 5P
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Kia Optima Canister Close Valve
Part Number: 314533K600
$9.35 MSRP: $13.00
You Save: $3.65 (29%)
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Product Specifications
- Other Name: Valve-Canister Close
- Replaced by: 314533K600FFF
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2020 Kia Optima | 1.6L - GAMMA, 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Purge Control Valve
Part Number: 2891022040
$71.47 MSRP: $103.13
You Save: $31.66 (31%)
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Product Specifications
- Other Name: Valve-PURGE Control; Purge Solenoid, Purge Valve, Valve
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.5L, 2.7L | 4 Door Sedan
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Kia Optima Canister Close Purge Solenoid Valve
Part Number: 3143029200
$84.07 MSRP: $121.32
You Save: $37.25 (31%)
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Product Specifications
- Other Name: Valve-Canister Close
- Replaces: 0K07A18741
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2010 Kia Optima | High Grade, Middle Grade | 2.4L, 2.4L - Theta 2, 2.4L - Theta FF, 2.5L, 2.7L, 2.7L - MU | 4 Door Sedan, Sedan - 4Door 5P
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Kia Optima Canister Close Valve
Part Number: 314533Q500
$87.10 MSRP: $125.68
You Save: $38.58 (31%)
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Product Specifications
- Other Name: Valve-Canister Close; Relief Valve, Vacuum Valve
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2015 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Crankcase Air Filter
Part Number: 314503R000
$54.89 MSRP: $79.20
You Save: $24.31 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Filter-Air & Ccv; Air Filter, Filter
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2015 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Purge Control Valve
Part Number: 289103E100
$80.01 MSRP: $115.45
You Save: $35.44 (31%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve-PURGE Control; Purge Solenoid, Purge Valve
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2010 Kia Optima | High Grade, Middle Grade | 2.7L, 2.7L - MU | 4 Door Sedan, Sedan - 4Door 5P
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Kia Optima Purge Control Valve
Part Number: 289103L000
$54.40 MSRP: $78.50
You Save: $24.10 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve-PURGE Control; Purge Solenoid, Purge Valve
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2019-2020 Kia Optima | 1.6L - GAMMA | Sedan - 4Door 5P
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Kia Optima Crankcase Air Filter
Part Number: 31450C1000
$60.60 MSRP: $87.45
You Save: $26.85 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Filter-Air & Ccv; Air Filter, Filter Assembly
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2016-2020 Kia Optima | 1.6L - GAMMA, 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Purge Control Valve Assembly
Part Number: 290143E200
$84.56 MSRP: $115.52
You Save: $30.96 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve Assembly-Purge Control
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2008 Kia Optima | 2.7L - MU | Sedan - 4Door 5P

Kia Optima Canister Purge Valve

The Kia Optima Canister Purge Valve prevents fuel vapors from escaping by directing them into the engine to be burned. Sitting between the charcoal canister and the intake manifold, the Canister Purge Valve opens when the control module detects running conditions to allow access for hydrocarbons stored in the charcoal canister to be drawn down into the air-fuel mixture by vacuum and burnt instead of polluting. Early generations applied a simple vacuum-actuated style, while later Kia Optima models adopted an electronically controlled Canister Purge Valve that works with OBD II diagnostics. The newer style accompanies a vent solenoid and pressure sensor that allows the computer to seal off the system and then test it for leaks that the older design cannot do. Regardless of year, a stuck Canister Purge Valve can raise emissions and light the warning lamp, making this small part vital to every Kia Optima fuel system. Routine attention to the Kia Optima Canister Purge Valve maintains high drivability and low smog.

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Kia Optima Canister Purge Valve Parts Questions & Experts Answers

Purge Control Valve
2891022040
Q: What is the purpose of the Evaporative Emissions Control (EVAP) system and how to replace Canister Purge Valve and Vapor Canister on Kia Optima?
A:
The Evaporative Emissions Control (EVAP) system absorbs fuel vapors and releases them into the intake manifold. Also, the purge valve regulates vapor flow, and the canister closed valve controls the fresh air line. The PCM initiates the EVAP purge sequence, opening valves to draw vapors into the intake manifold. Any leaks or incorrect purge flow trigger the check Engine light.