Yes, my 1997 grand caravan sport has one.
No.
It does not have a maf.
There isn't a vacuum line going to the regulator on a 1998 Dodge Caravan.
DOT 3
20 gallons
A Grand Caravan would have the 41TE transmission which does not have a throttle or kickdown cable.
Timing chain.
Chain
What about it? How to replace it? Replacement cost? Where to buy?
cant be done
5 quarts
The 1998 Dodge Grand Caravan 3.8 liter engine EGR valve can be found on the top of the engine. The EGR valve will be near the back of the engine.