KT8 - Check Vacuum to Both IMRC Valves

- Key "OFF".

- Check the vacuum hose from the front and rear Intake Manifold Runner Control System (IMRC) valves to the IMRC solenoid. Inspect for holes, kinks, disconnections and blockages.

- Are vacuum hoses OK?

Yes -- Go to KT9. KT9 - Enter Output State Check Diagnostic Test Mode (DTM)

No -- Service vacuum hose(s) as necessary. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)