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Old 04-08-2010, 02:51 PM   #1
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SVT Stumbling on Accell when cold

I've noticed that when the motor is still somewhat cold, the car seems to stumble a bit when i'm going up through the gears. Once the temp is up a little everything is just fine. Is this normal for the SVT's? Its got 55,000 miles on it. Thanks for the info.

-Adam


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Old 04-08-2010, 03:08 PM   #2
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probably could do with a tune. that should sort the stumbling.
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Old 04-08-2010, 05:48 PM   #3
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Mine runs fine cold, I just hate driving it because the high idle makes it hard to drive
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Old 04-09-2010, 07:20 AM   #4
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Quote:
Originally Posted by djo90 View Post
Mine runs fine cold, I just hate driving it because the high idle makes it hard to drive
mine just revs high for about 5 mins, then it idles at about 900 all day long. I hardly know its running when im stopped lol I always look at the tach to make sure. lol but untill it warms up, it just does the stumbling. Could the O2's be causing it? as far I know they are OE.
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Old 04-09-2010, 10:16 AM   #5
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Do you have a CEL(Check Engine Light) on?

The only nice thing about my cold starts is the cool sucking sound my CAI gives.
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Old 04-09-2010, 10:21 AM   #6
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Quote:
Originally Posted by OrangeSVTguy View Post
Do you have a CEL(Check Engine Light) on?

The only nice thing about my cold starts is the cool sucking sound my CAI gives.

Nope no check engine light at all.
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Old 04-14-2010, 07:13 AM   #7
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Guess its normal?
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Old 04-14-2010, 02:55 PM   #8
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^^^Yes, unfortunately that is pretty normal for the factory tune.
It's not nearly as bad on 2004 models (with ZED0 ECU tune), but the cold running problems are still there along with some everyday driving issues.

As mentioned, an aftermarket tune will fix all those issues and more.
SVT owners: Post reviews of your Tune!
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Old 04-14-2010, 03:23 PM   #9
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Yeah.. totally normal.

I deal with it daily.
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Old 04-15-2010, 12:15 AM   #10
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I have an 04 and even with toms tune it runs a little rough when its cold but the tune definetly helped, when I first got the car it ran like crap until it warmed up. Its normal though
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