Download Vacuum Leakage Noise Possible DTC’s ’05 Lincoln LS – 3.0L – VACUUM LEAKAGE NOISE AND MIL ON WITH LEAN CODES SERVICE PROCEDURE Verify the concern by removing the IMT valve from the intake manifold and visually inspecting the 0-ring condition. If the 0-ring is flat or damaged, replace only the 0- ring not the actuator. For Lincoln LS, refer to the 2005 Workshop Manual (WSM), Section 303-14, IMT valve. For Taurus vehicles, the IMT valve is located on right front of upper intake manifold: 1. Remove the two (2) retainers. 2. Disconnect the electrical connector. 3. Remove the IMT valve. ISSUE Some 2005 Taurus and Sable vehicles equipped with a 3.0L 2V and some 2003-2005 Lincoln LS vehicles equipped with a 3.0L 4V engine may exhibit a vacuum leakage noise or lean codes and/or malfunction indicator lamp (MIL) on. The cause may be a leak at the 0-ring on the intake manifold tuning (IMT) valve. ACTION Follow the Service Procedure steps to correct the condition.