I have a 2005 SXT my rpm in Parking gear or in neutral is 1400rpm w/o the AC turn on whern i turn on the Ac it drops to1000
the car have been like these for 4 days now
also when I put in Drive it drops to 1000

Can anyone give me some help of this is normal or if a should worry

Thanks

 

Well, I know my ac makes my rpms drop fast when I'm driving. I have an mtx so I can't try my car to see what mine does in drive, only in neutral. Sorry [&o]

 

i have an '05 sxt also, and i'm pretty sure mine does the same thing.. i'll check it next time i'm in it.. (in college, no need to drive) but i'll get back with you

 

the Ac is not the problem what troubles me is the rpm with just the engine running the idle rpm in neutral or Parked is 1500 or 1400 right now. I know that it wasnt like that before it was always under 1000 rpm

 

you might just have to go in and adjust the throttle line

 

Check if you have a vac leak

 

You have a vacuum leak.

 

how do I check that?

 

Buy some throttle body cleaner, turn on your car, then spray the cleaner around the intake manifold, throttle body, and vacuum lines. When the engine changes "tone" from the spray thats where the leak is coming from.