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TEST ACTION APPLICABILITY 8 Turn the ignition off. All Yes → Go To 9 No → Repair the MTV Relay Control circuit for an open. Perform POWERTRAIN VERIFICATION TEST VER - 5. 9 IF there are no possible causes remaining, view repair. All Repair Replace and program the Powertrain Control Module in accor- 10 Turn the ignition off. All Yes → Replace the Manifold Tuning Valve Solenoid. Perform POWERTRAIN VERIFICATION TEST VER - 5. No → Repair the ground circuit for an open. Perform POWERTRAIN VERIFICATION TEST VER - 5. 253 DRIVEABILITY - NGC P0660-MANIFOLD TUNE VALVE SOLENOID CIRCUIT — Continued |