What is the purpose and components of the evaporative emission control system,Canister Purge Valve and Vapor Canister on Hyundai Accent?

The purpose for the evaporative emission control system is to keep fuel vapors from escaping into the atmosphere. It includes a canister, water vent valve, purge control valve, thermo valve, overfill limiter and specialty designed fuel cap. When the engine is off, the canister will absorb and store the vapors of the fuel system whereas when it's started; these vapors go through various valves and lines into intake manifold. Bowl vent valve controls carburetor float bowl vapors. The carbureted engine purge control valve is closed during idle to prevent vaporized fuel from entering the intake manifold. At higher engine speeds, the purge control valve opens. Thermo valve senses temperature at the intake manifold and closes purge control valve when coolant temperature falls below preset value. Fuel filler cap is fitted with vacuum relief valves to prevent escape of fuel vapor into atmosphere. There are two types: pressure valve which opens if internal pressure of a tank exceeds normal pressure condition while vacuum valve operates when internal tank pressure is lower than normal pressure condition.The fuel check-valve connected in fuel vapor line between canister and overfill limiter prevents leakage of fuel during vehicle rollover.It has two balls inside.Under normal conditions, it allows passage of fuel vapour through its body.However,in case of an accident,the balls will situate themselves in such a way that one blocks up this passage consequently preventing any possible leaking of petrol.

Genuine Hyundai Accent Vapor Canister

Fuel Vapor Canister

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8 Vapor Canisters found

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Hyundai Accent Canister Assembly-Fuel
Part Number: 31420-1R500
$270.95 MSRP: $380.68
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Product Specifications
- Other Name: Vapor Canister
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2011-2017 Hyundai Accent | DOHC - GDI | Sedan - 4Door 5P, Sedan - 5Door 5P
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Hyundai Accent Canister Assembly
Part Number: 31420-1G500
$269.80 MSRP: $379.06
You Save: $109.26 (29%)
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Product Specifications
- Other Name: Vapor Canister
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2005-2011 Hyundai Accent | High Grade, Middle Grade | DOHC - MPI | 3 Door Sedan, 4 Door Sedan, Sedan - 3Door 5P, Sedan - 4Door 5P
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Hyundai Accent Canister Assembly
Part Number: 31420-22900
$301.43 MSRP: $423.50
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Product Specifications
- Other Name: Vapor Canister
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1994-2006 Hyundai Accent | High Grade, Low Grade, Middle Grade | 3 Door, 3 Door Sedan, 4 Door, 4 Door Sedan
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Hyundai Accent Canister Assembly-Fuel
Part Number: 31420-1W600
$239.82 MSRP: $336.94
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Product Specifications
- Other Name: Vapor Canister
- Replaced by: 31420-1W600--DS
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2015-2017 Hyundai Accent | DOHC - GDI | Sedan - 4Door 5P, Sedan - 5Door 5P
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Hyundai Accent Canister Assembly
Part Number: 31420-22800
$133.06 MSRP: $186.95
You Save: $53.89 (29%)
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Product Specifications
- Other Name: Vapor Canister
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1994-1999 Hyundai Accent | High Grade, Low Grade, Middle Grade | 3 Door, 4 Door
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Hyundai Accent Canister Assembly
Part Number: 31420-22000
$98.41 MSRP: $138.26
You Save: $39.85 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Vapor Canister
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1994-1999 Hyundai Accent | High Grade, Low Grade, Middle Grade | 3 Door, 4 Door
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Hyundai Accent Canister Assembly
Part Number: 31420-H9600
$368.26 MSRP: $521.94
You Save: $153.68 (30%)
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Product Specifications
- Other Name: Vapor Canister
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2018-2022 Hyundai Accent | DOHC - GDI, DOHC - MPI | Sedan - 4Door 5P
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Hyundai Accent Canister Assembly
Part Number: 31420-25700
Product Specifications
- Other Name: Vapor Canister
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1999-2006 Hyundai Accent | Low Grade, Middle Grade | 3 Door Sedan, 4 Door Sedan

Hyundai Accent Vapor Canister

Hyundai Accent Vapor Canister traps fuel vapors so that not as many harmful hydrocarbons enter the air, allowing the subcompact to run efficiently. Each generation has a canister near the tank or in the engine bay that is filled with activated charcoal. The charcoal absorbs any gasoline vapor from the tank until engine vacuum draws air through the bed, pushing out the stored vapors into the intake to burn in the normal mixture. In the 1990s, Accent vehicles utilized a simple carbon unit alongside a manual purge line. However, subsequent models were upgraded to include an electronically controlled purge valve, a vent solenoid, and a tank pressure sensor. This enhancement enabled the onboard computer to conduct leak checks, automatically activating the dashboard light if pressure stayed off target. The system on the recent Hyundai Accent has a sealed pressure relief cap rather than the older vented lids. As a result, during each temperature swing, the Vapor Canister does almost all the vapor control. Due to the reliance of the Vapor Canister on microscopic charcoal pores, some units contain a filter that can be serviced by the owner, and Hyundai recommends replacing it when saturated to maintain steady flow and to prevent odor from entering the Accent cabin. The Vapor Canister is an essential, straightforward emissions control tool, and Hyundai has improved theirs so that each Accent complies with stricter smog rules without further effort on the driver's part. Regularly tightening the gas cap ensures proper functioning of the Vapor Canister.

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Hyundai Accent Vapor Canister Parts Questions & Experts Answers

Canister Assembly-Fuel
31420-1R500
Q: What is the purpose and components of the evaporative emission control system,Canister Purge Valve and Vapor Canister on Hyundai Accent?
A:
The purpose for the evaporative emission control system is to keep fuel vapors from escaping into the atmosphere. It includes a canister, water vent valve, purge control valve, thermo valve, overfill limiter and specialty designed fuel cap. When the engine is off, the canister will absorb and store the vapors of the fuel system whereas when it's started; these vapors go through various valves and lines into intake manifold. Bowl vent valve controls carburetor float bowl vapors. The carbureted engine purge control valve is closed during idle to prevent vaporized fuel from entering the intake manifold. At higher engine speeds, the purge control valve opens. Thermo valve senses temperature at the intake manifold and closes purge control valve when coolant temperature falls below preset value. Fuel filler cap is fitted with vacuum relief valves to prevent escape of fuel vapor into atmosphere. There are two types: pressure valve which opens if internal pressure of a tank exceeds normal pressure condition while vacuum valve operates when internal tank pressure is lower than normal pressure condition.The fuel check-valve connected in fuel vapor line between canister and overfill limiter prevents leakage of fuel during vehicle rollover.It has two balls inside.Under normal conditions, it allows passage of fuel vapour through its body.However,in case of an accident,the balls will situate themselves in such a way that one blocks up this passage consequently preventing any possible leaking of petrol.