How to test the EGR valve using a vacuum pump for the Honda Prelude?

Disconnect and plug the vacuum supply hose from the EGR valve. Start the engine, then apply the parking brake, block the rear wheels and position the transaxle in Neutral. Allow the engine for each normal operating temperature. Using a hand-held vacuum pump, slowly apply 8 in. Hg (26 kPa) of vacuum to the EGR valve nipple. If the idle speed drops more than 100 rpm with the vacuum applied and returns to normal after the vacuum is removed, the EGR valve is OK. If the idle speed does not drop more than 100 rpm, further investigation is needed.

Genuine Honda Prelude EGR Valve

Emissions EGR Valve

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27 EGR Valves found

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Honda Prelude Valve Set, EGR
Part Number: 18011-P13-000
$377.51 MSRP: $537.77
You Save: $160.26 (30%)
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Product Specifications
- Other Name: EGR Valve
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1992-2001 Honda Prelude | 2 Door Base, 2 Door S, 2 Door SI, 2 Door Sivtec, 2 Door TYPESH | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Prelude Valve Assembly, Egr Control
Part Number: 18740-PC6-682
Product Specifications
- Replaces: 18740-PC6-681
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1983 Honda Prelude | 2 Door DX | KL 5MT
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Honda Prelude Valve Assembly, Egr (Denso)
Part Number: 18710-PC7-662
Product Specifications
- Replaced by: 18710-PC7-663
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1984-1987 Honda Prelude | 2 Door DX | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Prelude Valve Assembly, Egr
Part Number: 18710-PA6-661
Product Specifications
- Replaced by: 18710-PB3-662
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1981 Honda Prelude | 2 Door ** | KL 5MT, KL HMT
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Honda Prelude Valve Assembly, Egr
Part Number: 18710-PB2-671
Product Specifications
- Replaced by: 18710-PB3-662
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1981 Honda Prelude | 2 Door ** | KA 5MT, KA HMT, KH 5MT, KH HMT
View related parts
Honda Prelude Valve Assembly, Egr
Part Number: 18710-PB3-661
Product Specifications
- Replaced by: 18710-PB3-662
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1982 Honda Prelude | 2 Door ** | KA 5MT, KA HMT, KH 5MT, KH HMT, KL 5MT
View related parts
Honda Prelude Valve Assembly, Egr
Part Number: 18710-PB3-691
Product Specifications
- Replaced by: 18710-PB3-662
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1982 Honda Prelude | 2 Door ** | KL HMT
View related parts
Honda Prelude Valve Assembly, Egr
Part Number: 18710-PC6-901
Product Specifications
- Replaced by: 18710-PC6-013
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1983 Honda Prelude | 2 Door DX | KA 4AT, KA 5MT, KH 4AT, KH 5MT, KL 4AT, KL 5MT
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Honda Prelude Valve Assembly, Egr
Part Number: 18710-PA6-901
Product Specifications
- Replaced by: 18710-PA6-013
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1980 Honda Prelude | 2 Door ** | KL HMT
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Honda Prelude Valve Assembly, Egr
Part Number: 18710-PK1-S02
Product Specifications
- Other Name: Egr Valve
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1990 Honda Prelude | 2 Door 2.0S | KA 4AT, KA 5MT
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Honda Prelude Valve Assembly, Egr Control
Part Number: 18740-PD2-663
Product Specifications
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1988-1989 Honda Prelude | 2 Door 2.0S | KA 5MT
View related parts
Honda Prelude Valve Assembly, Egr Control
Part Number: 18740-PB3-661
Product Specifications
- Replaces: 18740-PC2-841
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1982 Honda Prelude | 2 Door ** | KA 5MT, KA HMT, KH 5MT, KH HMT, KL 5MT
View related parts
Honda Prelude Valve Assembly, Egr Control
Part Number: 18740-PC7-661
Product Specifications
- Replaces: 18740-PC7-660
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1984-1987 Honda Prelude | 2 Door DX | KA 4AT, KA 5MT, KL 4AT, KL 5MT
View related parts
Honda Prelude Valve Assembly, Egr Control
Part Number: 18740-PC6-662
Product Specifications
- Replaces: 18740-PC6-661
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1983 Honda Prelude | 2 Door DX | KA 5MT, KH 5MT
View related parts
Honda Prelude Valve Assembly, Egr Control
Part Number: 18740-PC6-692
Product Specifications
- Replaces: 18740-PC6-691
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1983 Honda Prelude | 2 Door DX | KL 4AT
View related parts
Honda Prelude Valve Assembly, Egr Control
Part Number: 18740-PD2-671
Product Specifications
- Other Name: Control Solenoid
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1988-1990 Honda Prelude | 2 Door 2.0S | KA 4AT, KA 5MT
View related parts
Honda Prelude Valve Assembly, Egr Control
Part Number: 18740-PB2-661
Product Specifications
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1981 Honda Prelude | 2 Door ** | KL HMT
View related parts
Honda Prelude Valve Assembly, Egr Control
Part Number: 18740-PC6-672
Product Specifications
- Replaces: 18740-PC6-671
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1983 Honda Prelude | 2 Door DX | KA 4AT, KH 4AT
View related parts
Honda Prelude Valve Assembly, Egr Control
Part Number: 18740-PB3-691
Product Specifications
- Replaces: 18740-PB3-681
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1982 Honda Prelude | 2 Door ** | KL HMT
View related parts
Honda Prelude Valve Assembly, Egr Control
Part Number: 18740-PB2-681
Product Specifications
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1980 Honda Prelude | 2 Door ** | KL HMT

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About Honda Prelude EGR Valve

A Honda Prelude needs to be kept in good working condition in your vehicle. The online catalog we provide will get you through the ordering process safely and securely. All genuine Honda EGR Valves from us are shipped directly from authorized Honda Dealer. If you want search for Honda EGR Valve fast and easily, just come to Hondapartsnow.com to look for your parts.

Honda Prelude EGR Valve Parts Questions & Experts Answers

Valve Set, EGR
18011-P13-000
Q: How to test the EGR valve using a vacuum pump for the Honda Prelude?
A: Disconnect and plug the vacuum supply hose from the EGR valve. Start the engine, then apply the parking brake, block the rear wheels and position the transaxle in Neutral. Allow the engine for each normal operating temperature. Using a hand-held vacuum pump, slowly apply 8 in. Hg (26 kPa) of vacuum to the EGR valve nipple. If the idle speed drops more than 100 rpm with the vacuum applied and returns to normal after the vacuum is removed, the EGR valve is OK. If the idle speed does not drop more than 100 rpm, further investigation is needed.