Check Engine Light Due to a PCV System Vacuum Leak on Lincoln Town Car

A vacuum leak from the PCV grommet vacuum leak can cause the Check Engine Light to illuminate. The molded rubber hose connections may crack and collapse, causing the vehicle to run roughly. A damaged PCV hose will require replacement.

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Average mileage: 137,860 (98,300–203,000)
17 model years affected: 1991, 1992, 1993, 1994, more1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
26 people reported this problem
6 people shared problem details
When cold and take off runs . Rouph till motor warms up
2000 Lincoln Town Car129,000
pcv hose leaking. now engine light comes one also. its been hard to find a replacement part for my 2000 town car though.
1999 Lincoln Town Car203,000
rubber vacuum intake hose is cracked to find a place to get it fixed
must change out all rubber in heat conditions such as Florida rubber becomes brittle
1996 Lincoln Town Car139,000
I have had all four cat. converters replaced, colored gaskets all replaced. The code reads problem with left bank. It's been on for two years and nobody can help get it off. They take it off when I have my emissions inspection, but it comes back on two or three days later. Thanks in advance.
Check Engine Light was on and the engine ran very rough, particularly while idling. Repaired by Replacing the elbow-crankcase ventilation tube (Ford part number YL8Z-6767-AA) $9. However it took 2.5 shop labor hours to replace the part, which seemed a bit high.
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