I started my car this morning and moved it right away, I didn't let it warm up. When I put it in reverse, the rpms started to dance a little bit.....it didn't do it in drive though Has this ever happened to anyone esle, or was it just because I didn't let it warm up a little? It did get down to 35 degrees last night, but thats not all that cold!

 

it happened to me during my install turned out to be a vacuum leak in the TB...you say dance was it a rythmic pulse or irradic ?

 

I am having the same promblem plus when i am crusing at 40 50 60 70 80 miles per hour it does it then if you find out let me no and likewise

 

haha that happens to me every day.... cuz normally i dont have time to warm up the engine in the morning... when i started the engine.... the rpm always drops too low and sounds like the engine is gonna die or something.... but THAT S ONLY WHen the enigne is cold....

 

I've never had that with the car, but I have with the truck (usually when it's really cold out, or I let off the starter just as it's about to fire. If I had kept the starter going for a fraction of a second, it wouldn't be a problem).

:P

 

It doesn't do it when its warm......I just started it 5 min ago....ICE COLD, and it didn't do it......maybe its bad gas?