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#1
10-20-2010, 04:43 PM
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Rough when cold out
My LS last winter and now this fall is running rough when first started then settles down after a few minuets. If it's above 65 degress out in the morning it runs fine...any ideas?
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#2
10-20-2010, 04:47 PM
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Re: Rough when cold out
is there any lights on like service engine soon light?
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#3
10-21-2010, 02:23 PM
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Re: Rough when cold out
no-offence...but if there were I wouldn't be here asking : ) No lights, just "surging" idle for a few minuets after start then it settles down....warm out in the AM no problem, normal idle. Anything down in the low 60's and less then it idles rough for a few minuets. I've changed PCV and all coils/plugs/gaskets in past year...car did it last winter before fixes and does it this year after...do not feel it's a result of any of those changes since it happened b4 and after.
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#4
10-21-2010, 02:32 PM
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Re: Rough when cold out
Try cleaning the MAF, and IACT sensor with CRC electrical cleaner.
Aslo, see simular threads at the bottom this page.
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