rpm jumps up while driving

Asked by Feb 16, 2014 at 08:05 PM about the Dodge Ram 1500

Question type: Maintenance & Repair

while driving, the rpm jumps up  for no reason . I can hear the engine rev up, and then it goes right back down. Don't feel any jerk, but it sort of sounds like you put it in neutral and back in drive. Any ideas?? Very annoying.

4 Answers

180

if it does it at ur shift points ur trany is probly slipping

1 people found this helpful.
1,860

what year truck is it, if is a 06 or newer with a hemi and the rpm's raise 200 to 300 rpm's and goes back down then that is your mds system and it is normal.

2 people found this helpful.

Test you throttle position sensor

My truck does the same thing with he 4.7 magnum. I got a new iac valve and map still does the same thing.

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