Model Years Affected: 2001, 2002, 2003, 2004, 2005
(10,400 mi - 140,000 mi)
The Check Engine Light may illuminate due to an engine vacuum leak from the intake manifold area.
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.
Q&A > Cadillac > 2001 Cadillac DeVille DTS
Common Problems > Cadillac DeVille DTS