# 2002 Suburban idle off, transmission? **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** chevrolet, suburban\ **Created:** [February 16, 2010, 8:11pm UTC](https://community.cartalk.com/t/2002-suburban-idle-off-transmission/44608 "2010-02-16T20:11:26Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![deekessler](https://avatars.discourse-cdn.com/v4/letter/d/bcef8e/32.png) [@deekessler](https://community.cartalk.com/u/deekessler)\ **Post date:** [February 16, 2010, 8:11pm UTC](https://community.cartalk.com/t/2002-suburban-idle-off-transmission/44608/1 "2010-02-16T20:11:26Z")
I have an '02 Suburban with 202,000 miles. I have never had any major problems with my car. We take frequent trips to the mountains with it, have pulled many a trailer, etc and it has always ran great. Recently, I’ve noticed the idle seems to be sporatic, particularly when it’s really cold (20’s). I park in the garage but it is outside during the day while at work. There are times it seems like its going to die while sitting at a stoplight until it gets really warmed up. However, yesterday, when I started it (temps in the 30’s) it started fine but then all of a sudden, revved (sp?) up to a point I thought my car was going to jump forward on its own. I’ve checked Anti-freeze and get the oil changed and serviced regularly. I have noticed the oil guage bouncing around some, not bad and not all the time. There has been an occasion when I thought the transmission might be slipping or going out but then I won’t have any trouble. Any thoughts on what it could be? I’ve debated about getting another car but I LOVE my suburban. ---
**Author:** ![cigroller](https://avatars.discourse-cdn.com/v4/letter/c/c68b51/32.png) [@cigroller](https://community.cartalk.com/u/cigroller)\ **Post date:** [February 17, 2010, 12:03am UTC](https://community.cartalk.com/t/2002-suburban-idle-off-transmission/44608/2 "2010-02-17T00:03:20Z")
When is the last time you had new spark plugs? Wires? Does the vehicle have a distributor? Air filter? Fuel filter? Any of those things being worn / old whatever can create problems in how it runs. Changing the oil and antifreeze won’t have a thing to do with rough / uneven idle. If all of the basics are up to date your suspects, I think, would be first a dirty or failing idle air control valve. Or second a vacuum leak.