What Are the Functions and Maintenance Requirements of the Positive Crankcase Ventilation (PCV) System and PCV Hose in Reducing Hydrocarbon Emissions on Toyota MR2?

To reduce hydrocarbon (HC) emissions, the Positive Crankcase Ventilation (PCV) system is used to route crankcase blow-by gas to the intake manifold for combustion in the cylinders. This process involves mixing the blow-by gases with incoming fresh air before burning them in the combustion chambers. It is vital to check the PCV hose for any damage and replace it as soon as possible. It is also crucial to inspect the hoses, connections, and gaskets that affect the PCV system, and tighten, repair, or replace any of these.

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8 PCV Hoses found

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Toyota MR2 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:
- 1985-1995 Toyota MR2 | GT, Super Charger | 4 Cyl 1.6L, 4 Cyl 2.0L, 4 Cyl 2.2L | 3SGTE, 4AGELC, 4AGZE, 5SFE; 3SGTE, 4AGELC, 4AGELC; AW11L-WCMQFA, 4AGZE, 5SFE; AW11L-WCMQFA, AW11L-WCMQFK, AW11L-WCPQFA, AW11L-WCPQFK, AW11L-WJMQFA, AW11L-WJMQFK, AW11L-WJMQRA, AW11L-WJMQRK, AW11L-WJPQFA, AW11L-WJPQRA, SW20L-ACMZZA, SW20L-AJMZZA, SW20L-AJMZZK, SW21L-ACMZKA, SW21L-ACPZKA, SW21L-AJMZKA, SW21L-AJMZKK, SW21L-AJPZKA
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Toyota MR2 Hose, Ventilation
Part Number: 12262-74050
$11.33 MSRP: $15.84
You Save: $4.51 (29%)
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Product Specifications
- Other Name: Hose, Ventilation, NO.2
- Replaces: 12262-03020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1992-1995 Toyota MR2 | 4 Cyl 2.2L | 5SFE; 5SFE; SW21L-ACMZKA, SW21L-ACPZKA, SW21L-AJMZKA, SW21L-AJMZKK, SW21L-AJPZKA
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Toyota MR2 Hose, Ventilation
Part Number: 12261-74020
$14.83 MSRP: $20.72
You Save: $5.89 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 12261-03030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1990-1995 Toyota MR2 | 4 Cyl 2.2L | 5SFE; 5SFE; SW21L-ACMZKA, SW21L-ACPZKA, SW21L-AJMZKA, SW21L-AJMZKK, SW21L-AJPZKA
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Toyota MR2 Hose, Ventilation
Part Number: 12261-88381
Product Specifications
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1990-1993 Toyota MR2 | 4 Cyl 2.0L | 3SGTE; 3SGTE; SW20L-ACMZZA, SW20L-AJMZZA, SW20L-AJMZZK
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Toyota MR2 Hose, Ventilation
Part Number: 12261-88383
Product Specifications
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1992-1995 Toyota MR2 | 4 Cyl 2.0L | 3SGTE; 3SGTE; SW20L-ACMZZA, SW20L-AJMZZA, SW20L-AJMZZK
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Toyota MR2 Hose, Ventilation
Part Number: 12261-16031
Product Specifications
- Replaces: 12261-16030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1985-1989 Toyota MR2 | GT | 4 Cyl 1.6L | 4AGELC; 4AGELC; AW11L-WCMQFA, AW11L-WCMQFK, AW11L-WCPQFA, AW11L-WCPQFK, AW11L-WJMQFA, AW11L-WJMQFK, AW11L-WJPQFA
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Toyota MR2 Hose, Ventilation
Part Number: 12261-16040
Product Specifications
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1987-1989 Toyota MR2 | Super Charger | 4 Cyl 1.6L | 4AGZE; 4AGZE; AW11L-WJMQRA, AW11L-WJMQRK, AW11L-WJPQRA
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Toyota MR2 Hose, Ventilation
Part Number: 12263-74051
Product Specifications
- Other Name: Hose, Ventilation, NO.3
- Replaces: 12263-74050
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1990-1995 Toyota MR2 | 4 Cyl 2.0L | 3SGTE; 3SGTE; SW20L-ACMZZA, SW20L-AJMZZA, SW20L-AJMZZK

Toyota MR2 PCV Hose

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Toyota MR2 PCV Hose Parts Questions & Experts Answers

Hose, Vacuum
90999-92002
Q: What Are the Functions and Maintenance Requirements of the Positive Crankcase Ventilation (PCV) System and PCV Hose in Reducing Hydrocarbon Emissions on Toyota MR2?
A: To reduce hydrocarbon (HC) emissions, the Positive Crankcase Ventilation (PCV) system is used to route crankcase blow-by gas to the intake manifold for combustion in the cylinders. This process involves mixing the blow-by gases with incoming fresh air before burning them in the combustion chambers. It is vital to check the PCV hose for any damage and replace it as soon as possible. It is also crucial to inspect the hoses, connections, and gaskets that affect the PCV system, and tighten, repair, or replace any of these.

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