Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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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 installation point. Intake manifold installation point. PCV valve installation point.
- Fuel injector insulator.
- Accelerator cable free play.
- Engine compression