Check Engine Light Due to Engine Vacuum leak on Cadillac DeVille DTS

The Check Engine Light may illuminate due to an engine vacuum leak from the intake manifold area.

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Average mileage: 73,080 (10,400–140,000)
5 model years affected: 2001, 2002, 2003, 2004, more2005
11 people reported this problem
3 people shared problem details
check engine light came on.did diagnostic check and found out vacuum leak
i had this problem too
Intake Manifold leak. Plenum rupture. X8 seals. Cam sensor.Both crank sensors. Replacs all.
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