| Last Modified: 11-29-2007 | 1.6 G | |
| Service Category: Engine/Hybrid System | Section: Intake/Exhaust | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM0000029S700CX |
| Title: 2UZ-FE INTAKE / EXHAUST: INTAKE SYSTEM: ON-VEHICLE INSPECTION (2008 Sequoia) | ||
ON-VEHICLE INSPECTION
1. INSPECT INTAKE AIR CONTROL VALVE OPERATION
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(a) Start the engine. |
(b) While the engine is idling, check that the actuator rod moves as shown in the illustration.
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(c) Disconnect the vacuum switching valve assembly (for ACIS) connector, and check that the actuator rod returns. If the operation is not as specified, inspect the intake air control valve, vacuum switching valve assembly (for ACIS) and ECM. |
2. CHECK AIR INDUCTION SYSTEM
HINT:
The illustration shows the areas that may draw in secondary air, which could lead to idling problems.
(a) Check that the hoses are installed correctly.
(b) Check for cracks, etc. in the hoses.
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