2004 Dodge Caravan 2004 Engine Light Blinking

Which 6 cylinder do you have in your mini-van? Each coil pack can be tested using an ohmmeter, but its best to use a scanner, ok? Each engine may have different resistance specs. They can be found in the service manual. Why not see if you can find yours here they have em all, ok? A scanner is very cheap at the store and you'll use it for a long time, it'll save you money.