Another GM Victim of Porosity - Page 3 - EnclaveForum.net: Buick Enclave Online Community
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post #21 of 24 (permalink) Old 03-14-2019, 02:08 PM Thread Starter
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So, after clearing the last CEL codes on two cylinders, I added another bottle of Techron Concentrate Plus to the gas. I have now driven the car over 600 miles and the CEL has not reappeared. I even took the vehicle in for the State Emissions inspection and it passed.

Go Figure!
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post #22 of 24 (permalink) Old 03-14-2019, 08:10 PM Thread Starter
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Sorry I meant over 1000 miles
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post #23 of 24 (permalink) Old 03-30-2019, 02:46 PM Thread Starter
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Quote:
Originally Posted by RedSoxFan02116 View Post
Sorry I meant over 1000 miles
@rbarrios I think you nailed it and helped me with my issue. No codes and no problems after using OEM spark plugs and Techron. Buick is running like a champ. Smooth. I’m guessing it was the carbon issue all along. Than you so much
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post #24 of 24 (permalink) Old 04-29-2019, 03:28 PM
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Quote:
Originally Posted by RedSoxFan02116 View Post
@rbarrios I think you nailed it and helped me with my issue. No codes and no problems after using OEM spark plugs and Techron. Buick is running like a champ. Smooth. Iím guessing it was the carbon issue all along. Than you so much
If it is carbon issue adding an oil catch may help.
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