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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Controls - 3.6L - Troubleshooting & Diagnosis) >> Troubleshooting >> Intake Manifold Runner Control System Diagnosis >> Diagnostic Aids

Diagnostic Aids

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Inspect the IMRC solenoid valve for witness marks that indicate that the valve was hitting the intake manifold. This condition may be temperature related.