There are two. one under the hood near the battery. The other is under the dash near the parking brake pedal.
underneath lower left corner of dash
No.
It does not have a maf.
There isn't a vacuum line going to the regulator on a 1998 Dodge Caravan.
DOT 3
A Grand Caravan would have the 41TE transmission which does not have a throttle or kickdown cable.
20 gallons
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.
cant be done
Timing chain.
5 quarts
What about it? How to replace it? Replacement cost? Where to buy?