Mechanics

I HAVE A GRAND CARAVN SXT 3.8L. RECENTLY, THE TACHOMETER HAS HAD A MIND OF ITS OWN WHILE DRIVING AND YOU CAN HEAR/FEEL THE VAN REVING UP/DOWN. NOW THE SPEEDOMETER DOESN'T CHANGE. SOMETIMES IT HAS DIFFICULTY SHIFTING WHEN THIS HAPPENS ALSO. ANY

2008 Dodge Caravan • 76,000 miles

While driving the van/tachometer jumps up/down and has trouble shifting. U can drive steady on highway about 65mph and all of sudden the tachometer jumps to 3500-4000 rpms and does it often.
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Shawnphi1
April 24, 2012.



Check trans fluid for full then scan for codes and check fuel pressure.

Hmac300
Apr 24, 2012.