RPMs jumping up and down

  #1  
Old 11-07-2011, 07:09 PM
1st Gear
Thread Starter
Join Date: Nov 2011
Location: Aspen, CO
Posts: 1
Default RPMs jumping up and down

Hello!

I have a 1989 Audi 90. There is something weird going on with the RPMs. They jump up and down...seemingly only from 1000-1200. But the car is new to me so maybe I just haven't seen it do it other places. Whenever the car is around 1000 it'll do this. Foot on the gas or not...doesn't matter. Also doesn't matter if I am in drive going down the road or idleing in park/neutral.

Additionally, this morning it was pretty cold. Started the car, which takes a little foot on gas, and it was idling very low for about 30 secs and then killed. Is it ok to give it some gas when starting the car? I don't rev is over 2000. Car is in park, not neutral usually because my driveway is on a angle.

TPS, IAC valve, 02 sensor??? I don't really know what any of those are, but those seem to be what is coming up when I Google the problem...

Ski bum chick needs some help...
 
  #2  
Old 11-19-2012, 09:59 PM
1st Gear
Join Date: Nov 2012
Posts: 2
Default

The check I read for the iac was to unplug it while car is running and rpm will hunt up and dn. Make sure wires are good going to that
 
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