Check your crank shaft sensor. You may also try to clean your throttle body.
I had a very similar issue with my 2000 Caravan with the 3.0L engine. It would be mostly ok in warm weather, but when it got cooler, it started being an issue. I described it as being an accelerator pump problem on a carburated engine. No one could figgure it out. I found a service manual for the Caravan and in the troubleshooting guide it suggested a bad throttle position sensor as one fix, and since it was the cheapest option, I started there. It turned out to be the actual problem and the van runs fine now. It's not too hard a fix. I needed a torx head driver, don't remember which one. It is on the back side of the throttlebody so it had to be replaced by feel, but is a fairly easy replacement. Just remove the wiring harness attached to it, and unscrew the torx screws. Just be careful when installing the new one to snug both screws together rather than 1 at a time otherwise the sensor may not go in properly. I had to do it 2x before it went in straight. Then reattach the wiring haness and the van fired right up and never missed a beat since. Give it a try. The 3.0l sensor was 13.00 at O'Reilly Auto Parts.
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SOURCE: 2002 Dodge Grand Caravan, 69k miles, vibration at idle in D and R
if what your feeling is not an engine miss,
then it will be a motor mount,best chances are the front center one,,
or top trans mount
SOURCE: 1999 dodge caravan stalls when pyt into drive
try a new set of plugs, wires, and fuel filter. full loaded tune-up. air filter too.
May also be mass-airflow sensor if equipped. does it display a Check engine light?
SOURCE: i have a dodge 96 3.9 and it keeps stalling, but
Remove the air idle control valve on the side of the throttle body clean it and reinstall it will run smooth again.
Lugnut61
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May be a vacuum leak that happens only when the engine is
Add a Commentive,not reverse.
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