Engine Mechanical Component Tests
1. Verify air intake hoses are installed properly.
2. Start the engine and run at idle.
3. Measure the intake manifold vacuum by using a vacuum gauge.
Specification: Less than -60 kPa (-450 mmHg, -18 inHg)
4. If not as specified, check following.
- Air suction at, Throttle body, Intake manifold, PCV valve installation points.
- Fuel injector insulator.
- Accelerator cable free play.
- Engine compression.