On-Vehicle Inspection: Procedure
- INTAKE MANIFOLD VACUUM INSPECTION
- Disconnect the evaporative hose (purge VSV side) connecting the intake manifold and the purge VSV, then install the vacuum gauge.
Refer to REMOVAL
- Verify that the intake air hoses are installed securely.
- Warm up the engine.
- Measure the intake manifold vacuum while idling (no load) using the vacuum gauge.
If not within the specification, perform the following inspections.
- Compression pressure
Refer to PROCEDURE - Step 6
- Check valve
Refer to INSPECTION
- Air suction
- Installation areas of each vacuum hose
- Evaporative hose connecting part
- Installation area of throttle body
- Installation area of fuel injector
- Installation area of PCV valve
- Installation area of intake manifold
Standard
Approx. -60.0 kPa (-450 mmHg, -17.72 in.Hg)
- Compression pressure
- Disconnect the evaporative hose (purge VSV side) connecting the intake manifold and the purge VSV, then install the vacuum gauge.