What is the process for diagnosing and replacing Canister Purge Valve and Vapor Canister in the EVAP system?

The Evaporative Emissions Control (EVAP) system serves to absorb fuel vapors and release them into the intake manifold during engine operation. It comprises the fuel tank filler neck cap, EVAP canister, vapor pressure sensor, canister closed valve, pressure switching valve, and purge valve. The EVAP canister's contents are purged when the pressure inside the sealed fuel tank increases due to fuel evaporation, and the canister stores vapors until the PCM initiates purging through the purge valve, allowing vapors into the intake manifold. The vapor pressure sensor on the fuel tank monitors pressure, signaling the PCM to open the pressure switching valve for purging. A purge valve regulates vapor flow, while the canister closed valve vents atmospheric air during purging and closes for testing. The EVAP system undergoes a diagnostic monitor to check for leaks, involving purging, pressure change monitoring, and venting checks. Replacements involve disconnecting the negative battery terminal, removing engine covers if applicable, disconnecting connectors, vacuum hoses, mounting screws or bolts, and then installing replacements following the reverse process. The EVAP canister's location varies, with different components serviced depending on the model year.

Genuine Lexus RX330 Canister Purge Valve

Vapor Canister Purge Valve EVAP

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6 Canister Purge Valves found

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Lexus RX330 Valve Assy, Vacuum Switching
Part Number: 25860-62010
$104.23 MSRP: $137.60
You Save: $33.37 (25%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve Assy, Vacuum Switching, NO.1; Vacuum Switch, Vacuum Valve, Valve
- Manufacturer Note: NO.1
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2004-2006 Lexus RX330 | STD | 6 Cyl 3.3L | 3MZFE; 3MZFE; MCU33L-AWAGKA, MCU33L-CWAGKA, MCU38L-AWAGKA, MCU38L-CWAGKA
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Lexus RX330 Valve, Duty Vacuum Switching
Part Number: 90910-12259
$82.92 MSRP: $109.47
You Save: $26.55 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Vacuum Valve, Valve
- Replaces: 90910-12272
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2004-2006 Lexus RX330 | STD | 6 Cyl 3.3L | 3MZFE; 3MZFE; MCU33L-AWAGKA, MCU33L-CWAGKA, MCU38L-AWAGKA, MCU38L-CWAGKA
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Lexus RX330 Valve, Duty Vacuum Switching
Part Number: 90910-12204
$82.92 MSRP: $109.47
You Save: $26.55 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Vacuum Valve
- Manufacturer Note: NO.2
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2004-2006 Lexus RX330 | STD | 6 Cyl 3.3L, 6 Cyl 3.5L | 2GRFE, 3MZFE; 2GRFE, 3MZFE; GSU30L-AWAGKA, GSU30L-CWAGKA, GSU35L-AWAGKA, GSU35L-CWAGKA, MCU33L-AWAGKA, MCU33L-CWAGKA, MCU38L-AWAGKA, MCU38L-CWAGKA
View related parts
Lexus RX330 Valve, Duty Vacuum Switching
Part Number: 90910-12272
$82.92 MSRP: $109.47
You Save: $26.55 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 90910-12259
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2004-2006 Lexus RX330 | STD | 6 Cyl 3.3L | 3MZFE; 3MZFE; MCU33L-AWAGKA, MCU33L-CWAGKA, MCU38L-AWAGKA, MCU38L-CWAGKA
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Lexus RX330 Valve, Vacuum Switching, NO.1
Part Number: 25860-31070
$92.11 MSRP: $121.60
You Save: $29.49 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2006 Lexus RX330 | STD | 6 Cyl 3.5L | 2GRFE; 2GRFE; GSU30L-AWAGKA, GSU30L-CWAGKA, GSU35L-AWAGKA, GSU35L-CWAGKA
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Lexus RX330 Valve Assy, Vacuum Switching
Part Number: 25860-0A010
$100.62 MSRP: $132.83
You Save: $32.21 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Vacuum Switch, Vacuum Valve
- Replaces: 25860-20040
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2004-2006 Lexus RX330 | STD | 6 Cyl 3.3L, 6 Cyl 3.5L | 2GRFE, 3MZFE; 2GRFE, 3MZFE; GSU30L-CWAGKA, GSU35L-CWAGKA, MCU33L-CWAGKA, MCU38L-CWAGKA

Lexus RX330 Canister Purge Valve

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Lexus RX330 Canister Purge Valve Parts Questions & Experts Answers

Valve Assy, Vacuum Switching
25860-62010
Q: What is the process for diagnosing and replacing Canister Purge Valve and Vapor Canister in the EVAP system?
A: The Evaporative Emissions Control (EVAP) system serves to absorb fuel vapors and release them into the intake manifold during engine operation. It comprises the fuel tank filler neck cap, EVAP canister, vapor pressure sensor, canister closed valve, pressure switching valve, and purge valve. The EVAP canister's contents are purged when the pressure inside the sealed fuel tank increases due to fuel evaporation, and the canister stores vapors until the PCM initiates purging through the purge valve, allowing vapors into the intake manifold. The vapor pressure sensor on the fuel tank monitors pressure, signaling the PCM to open the pressure switching valve for purging. A purge valve regulates vapor flow, while the canister closed valve vents atmospheric air during purging and closes for testing. The EVAP system undergoes a diagnostic monitor to check for leaks, involving purging, pressure change monitoring, and venting checks. Replacements involve disconnecting the negative battery terminal, removing engine covers if applicable, disconnecting connectors, vacuum hoses, mounting screws or bolts, and then installing replacements following the reverse process. The EVAP canister's location varies, with different components serviced depending on the model year.