9099992004 Toyota HOSE (FOR IDLE UP DEVICE), Price: 7.93$, Weight: 0.064kg

Idle-Up Vacuum Hose ?

This small rubber air hose is needed to keep engine idle speed stable when extra load is placed on the engine, such as air conditioning, power steering movement, or electrical demand. A correct idle-up hose helps the engine breathe the right vacuum signal and prevents rough idling at traffic lights or during parking.

How It Works ⚙️

The hose carries vacuum or air pressure between the idle-up control device and the intake system. When engine load increases, the idle-up system receives this signal and slightly raises idle speed. This keeps combustion smooth, protects against stalling, and gives better driving comfort in city traffic.

What Happens If It Fails? ⚠️

If the hose becomes cracked, hard, loose, or blocked, air leakage can appear. The engine may idle too low or too high, shake when the A/C is switched on, stall during steering turns, or show poor fuel economy. In some cases, a vacuum leak can also cause hesitation and uneven engine response.

Technician Note ?

Always inspect hose ends for oil swelling, splits, and poor fitment. Replacing an aged idle control hose is a simple but important repair for stable idle performance.

Compatible Models

• Camry
• Camry (Sed/Wg)