Chrysler Town & Country 2008-2009
Dodge Grand Caravan 2008-2009
All engines use a fixed ignition timing system. The basic ignition timing is not adjustable. All spark advance is determined by the Powertrain Control Module (PCM).
The 3.3L and 3.8L engines use a Distributorless ignition system commonly referred to as a Direct Ignition System (DIS).
The 4.0L engine uses a Coil-on-Plug design. The system main components are the ignition coils, crankshaft position sensor, camshaft position sensor, and spark plugs.