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salsmart@verizon.net
Joined: 14 Nov 2011
Posts: 2
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| Posted: Mon Nov 14, 2011 4:30 pm Post subject: 03 boxster,smoke puff on starte-up only |
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| My 2003 boxster puffs some smoke at stert-up only in the morning and it smiles like gas, does any one know why? |
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fu03steve
Joined: 29 Sep 2007
Posts: 3460
Location: moreno valley
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| Posted: Mon Nov 14, 2011 9:58 pm Post subject: |
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what color of smoke?
blue, white, or black? |
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salsmart@verizon.net
Joined: 14 Nov 2011
Posts: 2
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| Posted: Tue Nov 15, 2011 1:40 am Post subject: 2003 smoke |
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| blue |
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fu03steve
Joined: 29 Sep 2007
Posts: 3460
Location: moreno valley
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| Posted: Tue Nov 15, 2011 1:56 am Post subject: |
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Quote: Blue Smoke: Blue smoke is caused by engine oil entering the cylinder area and being burned along with the fuel air mixture. As with the white smoke, just a small drop of oil leaking into the cylinder can produce blue smoke out the tailpipe. Blue smoke is more likely in older or higher mileage vehicles than newer cars with fewer miles.
How did the engine oil get inside the cylinder in the first place? The car has many seals, gaskets, and O-rings that are designed to keep the engine oil from entering the cylinder, and one of them has failed. If too much oil leaks into the cylinder and fouls the spark plug, it will cause a misfire (engine miss) in that cylinder, and the spark plug will have to be replaced or cleaned of the oil. Using thicker weight engine oil or an oil additive designed to reduce oil leaks might help reduce the amount of oil leaking into the cylinder.
I had this same problem on another car few years ago. My problem was because I had a crack on one of my cylinder so oil constantly goes into the cylinder and burning smoke on start up.
Hope that's not the issue. If it's only a tiny bit of smoke and only at start up then it's one of the sealants.
Hope that helps and maybe use a thicker weight oil on next oil change. |
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