GT Performance Mods 2005+ Mustang GT Performance and Technical Information

question about exhaust

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Old 10/27/05, 01:48 PM
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Has anyone gotten some blue smoke from their cars on startup after the car sits for a few hours? I've noticed it a few times now, just a few minutes ago I moved the car and it smoked like crazy for the first few seconds. I think I've seen someone else mention this before and it may have been normal. '05 GT automatic with just under 14k on it.
Old 10/27/05, 03:38 PM
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blue smoke is usually oil related, white smoke is usually antifreeze related or moisture, and black smoke is usually from running too rich. So keep an eye on it as well as consumption of oil if any. good luck
Old 10/27/05, 04:55 PM
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I am a mechanic, previously worked at a Ford dealer, never noticed any kind of service messeges or bulletins about this. I'm just looking to see how common this little issue is and if anyone has had anything done about it. I will take the car in for a little warranty work the next time the airbag light decides to act up and will have them look at the smoke issue at the same time.
Old 10/27/05, 08:23 PM
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i have that blue smoke startup as well, but thats from it sitting for a few days...
Old 10/27/05, 09:58 PM
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Originally posted by MaverickMLFD371@October 27, 2005, 9:26 PM
i have that blue smoke startup as well, but thats from it sitting for a few days...
Same here, I think it's normal. My car doesn't consume any Mobil One, so it must very minute.
Old 10/28/05, 06:52 AM
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For what it is worth -

When I picked mine up (it had 1.7 miles on it) it smoked like crazy at idle for the first 5 minutes. Looked like a mosquito fogger. Had me concerned. Rings were not seated. Drove it 20 miles home and it has not smoked since. Start ups are smoke-free. Right at 3K miles now.
Old 10/28/05, 10:18 AM
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5500 miles on mine and it smokes a little on startup after sitting for a few days. I'glad to see this thread since I was wondering if it was anything to be worried about. Oil level is normal.
Old 10/29/05, 12:51 AM
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Any of you having this problem...did you have an exhaust installed recently?
Old 10/31/05, 03:32 AM
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Originally posted by Ford05MustangGT@October 29, 2005, 1:54 AM
Any of you having this problem...did you have an exhaust installed recently?
Mine is all stock, no aftermarket parts at all. It only happens once in a while and I haven't noticed any oil level reduction.
Old 10/31/05, 04:09 AM
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Correction - I started mine yesterday after it sat for a week, and there was a little smoke on startup. Never noticed it before...
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