How to remove and replace the PCV valve and hose in a Toyota Prius?

The PCV valve is threaded into the left (driver's) end of the valve cover, with the PCV system valve installed in the end of the valve cover. For 2004 and later models, it is necessary to remove several components to gain access to the PCV valve. Start by disconnecting the negative cable from the auxiliary (12-volt) battery. Then, remove the two mounting bolts from the interfering engine compartment relay block and unclip the wiring harness retainers. The air filter housing should be removed next. Disconnect the two interfering injector and coil wiring harnesses and set them aside. Remove the plastic cover from the wiring harness between the valve cover and the inverter/converter coolant reservoir. Disconnect the PCV valve hose and remove the PCV valve, then reattach the hose to the PCV valve and reconnect the wiring harnesses. With the engine idling at normal operating temperature, place your finger over the end of the valve. If there's no vacuum at the valve, check for a plugged hose or valve and replace any plugged or deteriorated hoses. Turn off the engine, remove the PCV valve from the hose, connect a clean piece of hose and blow through the valve from the valve cover (cylinder head) end. If air will not pass through the valve in this direction, replace it with a new one. When purchasing a replacement PCV valve, make sure it's for your particular vehicle and engine size and compare the old valve with the new one to ensure they're the same.

Genuine Toyota Prius PCV Hose

PCV Valve Hose

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8 PCV Hoses found

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Toyota Prius Hose, Vacuum
Part Number: 90999-92002
$5.63 MSRP: $7.87
You Save: $2.24 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Cruise Control Vacuum; Air Hose, Pressure Sensor Tube, Vacuum Hose
- Replaces: 95411-19918, 90999-02002, 90445-08138, 90447-08127, 95411-19920, 95411-10120, 95411-10010, 05411-10120, 90445-08179, 25760-11300, 21249-13090, 95411-10107, 95411-10130, 95411-10125, 95411-19913, 95411-19908, 95411-19911, 95411-30030, 95411-10030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2022 Toyota Prius | 4 Cyl 1.8L | 2ZRFXE; 2ZRFXE; ZVW50L-AHXEBA, ZVW51L-AHXBBA, ZVW51L-AHXEBA, ZVW51L-AHXGBA, ZVW51L-AHXHBA, ZVW55L-AHXEBA, ZVW55L-AHXGBA
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Toyota Prius Hose, Ventilation, N
Part Number: 12261-37060
$11.67 MSRP: $16.31
You Save: $4.64 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2015 Toyota Prius | E, G, L, S | 4 Cyl 1.8L | 2ZRFXE; 2ZRFXE; ZVW30L-AHXBBA, ZVW30L-AHXEBA, ZVW30L-AHXEBK, ZVW30L-AHXGBA, ZVW35L-BHXBBA, ZVW35L-BHXEBA, ZVW35L-BHXEBK, ZVW35L-BHXGBA
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Toyota Prius Hose, Ventilation
Part Number: 12262-37041
$16.78 MSRP: $23.45
You Save: $6.67 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation, NO.2
- Replaces: 12262-37040
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2015 Toyota Prius | E, G, L, S | 4 Cyl 1.8L | 2ZRFXE; 2ZRFXE; ZVW30L-AHXBBA, ZVW30L-AHXEBA, ZVW30L-AHXEBK, ZVW30L-AHXGBA, ZVW35L-BHXBBA, ZVW35L-BHXEBA, ZVW35L-BHXEBK, ZVW35L-BHXGBA
View related parts
Toyota Prius Hose, Ventilation
Part Number: 12262-37040
$16.78 MSRP: $23.45
You Save: $6.67 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation, NO.2
- Replaced by: 12262-37041
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2011 Toyota Prius | E, G, L, S | 4 Cyl 1.8L | 2ZRFXE; 2ZRFXE; ZVW30L-AHXBBA, ZVW30L-AHXEBA, ZVW30L-AHXEBK, ZVW30L-AHXGBA, ZVW35L-BHXEBA, ZVW35L-BHXEBK
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Toyota Prius Hose, Ventilation
Part Number: 12262-21050
$36.58 MSRP: $51.14
You Save: $14.56 (29%)
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation, NO.2
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2009 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; 1NZFXE; NHW11L-AEEEBA, NHW11L-AEEEBK, NHW20L-AHEEBA, NHW20L-AHEEBK
View related parts
Toyota Prius Hose, Ventilation
Part Number: 12261-21040
$42.47 MSRP: $59.37
You Save: $16.90 (29%)
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2009 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; 1NZFXE; NHW11L-AEEEBA, NHW11L-AEEEBK, NHW20L-AHEEBA, NHW20L-AHEEBK
View related parts
Toyota Prius Hose, Ventilation, N
Part Number: 12261-37070
$31.77 MSRP: $44.42
You Save: $12.65 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2022 Toyota Prius | 4 Cyl 1.8L | 2ZRFXE; 2ZRFXE; ZVW50L-AHXEBA, ZVW51L-AHXBBA, ZVW51L-AHXEBA, ZVW51L-AHXGBA, ZVW51L-AHXHBA, ZVW55L-AHXEBA, ZVW55L-AHXGBA
View related parts
Toyota Prius Hose, Ventilation
Part Number: 12262-37060
$34.45 MSRP: $48.16
You Save: $13.71 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Ventilation, NO.2
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2022 Toyota Prius | 4 Cyl 1.8L | 2ZRFXE; 2ZRFXE; ZVW50L-AHXEBA, ZVW51L-AHXBBA, ZVW51L-AHXEBA, ZVW51L-AHXGBA, ZVW51L-AHXHBA, ZVW55L-AHXEBA, ZVW55L-AHXGBA

Toyota Prius PCV Hose

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Toyota Prius PCV Hose Parts Questions & Experts Answers

Hose, Ventilation, N
12261-37060
Q: How to remove and replace the PCV valve and hose in a Toyota Prius?
A: The PCV valve is threaded into the left (driver's) end of the valve cover, with the PCV system valve installed in the end of the valve cover. For 2004 and later models, it is necessary to remove several components to gain access to the PCV valve. Start by disconnecting the negative cable from the auxiliary (12-volt) battery. Then, remove the two mounting bolts from the interfering engine compartment relay block and unclip the wiring harness retainers. The air filter housing should be removed next. Disconnect the two interfering injector and coil wiring harnesses and set them aside. Remove the plastic cover from the wiring harness between the valve cover and the inverter/converter coolant reservoir. Disconnect the PCV valve hose and remove the PCV valve, then reattach the hose to the PCV valve and reconnect the wiring harnesses. With the engine idling at normal operating temperature, place your finger over the end of the valve. If there's no vacuum at the valve, check for a plugged hose or valve and replace any plugged or deteriorated hoses. Turn off the engine, remove the PCV valve from the hose, connect a clean piece of hose and blow through the valve from the valve cover (cylinder head) end. If air will not pass through the valve in this direction, replace it with a new one. When purchasing a replacement PCV valve, make sure it's for your particular vehicle and engine size and compare the old valve with the new one to ensure they're the same.