1734350070 Toyota HOSE, NO.3(FOR IDLE-UP), Price: 34.74$, Weight: 0.145kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
1734350070 |
HOSE, NO.3(FOR IDLE-UP) |
0 |
0.145 |
7-10 |
34.74$ |
| Not Available | ||||||
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Toyota |
HOSE, NO.3(FOR IDLE-UP)
|
1 |
0.167
|
2-3
|
39.76$
|
Compatibility
| Description | Model | Options | Prod Period | Diagram |
|---|---|---|---|---|
| UCF2# | UCF21-AEAQK | Grade: C TYPE; Gear Shift Type: ATM, 5-SPEED FLOOR SHIFT; Engine: (1UZFE) 4000CC 32-VALVE DOHC EFI | 07.1997 - 08.2000 | View |
| Description | Model | Options | Prod Period | Diagram |
|---|---|---|---|---|
| GS171,JKS175,JZS17#,UZS17# | UZS175-CEAQK | ATM,MTM: AUTOMATIC TRANSMISSION; Body: SEDAN; Grade: A TYPE; Fuel Induction: HIGH EFFICIENCY TWIN CAM; Gear Shift Type: ATM, 5-SPEED FLOOR SHIFT; Engine: (1UZFE) 4000CC 32-VALVE DOHC EFI | 09.1999 - 06.2004 | View |
Idle-Up Control Vacuum Hose for Smooth Cold Starts 🔧
This precision vacuum hose supports the idle-up system on select Toyota luxury sedans. It keeps engine idle stable during cold start, when A/C is on, or when steering adds load. Built from heat‑ and oil‑resistant rubber, it withstands under‑hood temperatures and vacuum pulses for long, leak‑free service. 🚗
Why it’s needed
Without a sealed path for vacuum, the engine can’t raise idle speed under extra load. This hose ensures clean airflow control, smooth idle, lower emissions, and better drivability in traffic and winter. ❄️
How it works
The ECU commands idle‑up via a vacuum switching valve. Vacuum travels through this hose to the idle air passage/actuator, nudging throttle airflow so RPM stays steady. Proper routing and tight clamps are vital to prevent leaks.
When the hose fails ⚠️
- Rough or hunting idle, especially with A/C on
- Cold start stall or hesitation
- Whistle/hiss from intake area; poor fuel economy
- Possible idle control fault code and higher emissions
Replace at first signs of cracking, hardness, oil swelling, or vacuum noise. Always match inner diameter and use OE‑style clamps for a secure seal.
Compatible models
- Celsior
- Crown/Crown Majesta