Avalon, Camry Solara, Sienna & Tacoma Without ETCS

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2003 Toyota Tundra, 2003 Toyota Tacoma, 2003 Toyota Sienna, 2003 Toyota Sequoia, and 2003 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Start engine. Warm engine to normal operating temperature. Ensure idle speed is within specification. See IDLE SPEED & MIXTURE in ON-VEHICLE ADJUSTMENTS - V6 & V8 article.
Shut engine off. Disconnect and plug vacuum hose at throttle opener near throttle body. See Fig 1-Fig 3 . Start engine and note engine speed. Engine speed should be within specification. See THROTTLE OPENER SPECIFICATIONS table.
If engine speed is not within specification, replace throttle body. See THROTTLE BODY under FUEL SYSTEMS in REMOVAL & INSTALLATION - V6 & V8 article. Shut engine off. Reinstall vacuum hose on throttle opener. Start engine and ensure engine returns to proper idle speed.

THROTTLE OPENER SPECIFICATIONS ⁽¹⁾

Application

RPM

Avalon

1100-1700

Camry Solara, Sienna & Tacoma

900-1950

⁽¹⁾	Check with engine at normal operating temperature and throttle opener vacuum hose disconnected and plugged.

Fig 1: Locating Throttle Opener (Avalon & Sienna)

Fig 2: Locating Throttle Opener (Camry Solara)

Fig 3: Locating Throttle Opener (Tacoma)