Cadillac Seville / Cadillac Eldorado Forum Discussion, 2002 Seville SO high idle in Past Cadillac Vehicle Discussion; Yet ANOTHER problem with my cadi. Out of nowhere it started idling high. When in D idles between 1&2. In ...
- 02-22-14 10:24 PM #1Cadillac Owners Member
- Automobile(s): 2002 Cadillac Seville SLS
- Join Date
- Aug 2013
2002 Seville SO high idle
Yet ANOTHER problem with my cadi. Out of nowhere it started idling high. When in D idles between 1&2. In neutral it shoots up to above 2. In Park damn near 3. Have pulled DTC codes
- 02-22-14 10:25 PM #2
- 02-22-14 10:33 PM #3
IPM B1340 air mix door one movement vault
PCM P0507 idle speed high
- 02-22-14 10:33 PM #4
When was the TB last cleaned?
- 02-22-14 10:34 PM #5
It's been a year
- 02-22-14 10:36 PM #6
I would start with that. While you're at it, make sure the throttle/cruise cables aren't sticking.
- 02-22-14 10:41 PM #7
I was hoping not to have to take it all apart again. Since last time I removed it completely and used Carb cleaner in rags and brushes. Should I do that again?
Also, how would I check to see if the cables aren't sticking.
- 02-22-14 10:44 PM #8
No need. Just remove the intake ducting. Carb cleaner, a rag, and an old toothbrush. Make sure you clean the perimeter of the throttle plate too.
First make sure that neither is snug and holding the throttle open. To check them thoroughly, I disconnect them and move them by hand. You could also hold the throttle open and move them by hand.
- 02-22-14 10:47 PM #9
How often should that be done? And what can be done to prevent build up?
- 02-22-14 10:50 PM #10
Once a year. And that is what you do to prevent buildup. And if it is fine yearly, it shouldn't take much more than a quick spray and a wipe to clean it. Make sure you get all the ducting back on correctly. A leak after the MAF sensor will set mixture codes.
- 02-22-14 11:04 PM #11
Thank u very much. Will do and post back.
- 02-23-14 09:43 AM #12
Re: 2002 Cadillac Seville SO high idle
If the TB was cleaned a year ago, that should not be the problem. Hard to imagine it could get THAT dirty THAT fast. If another cleaning doesn't help, you might pull the IAC valve and clean it and the air passage
- 02-23-14 12:46 PM #13
Where is that?
- 02-23-14 12:55 PM #14
- 02-23-14 12:59 PM #15
Re: 2002 Seville SO high idle
Albums - the Community tab, Albums, the red Seville, 2 albums. 116 pictures of parts and stuff.
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