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Old 06-21-2017, 08:00 AM   #15
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Join Date: Apr 2007
Location: Bay Area
Posts: 524
Quote:
Originally Posted by steved0x View Post
When too full it becomes easier for oil to get through the AOS and into the intake where it is then burned along with the air/fuel mixture. Too much oil can cause misfires and damage the catalytic converter, and "more" too much oil can hydro-lock the cylinder and destroy the engine.

I overfilled my oil just like that before my first track day, blew a huge smoke bomb, got a flashing CEL, engine cutting out, scared me to death, when I got home I dropped the oil filter canister and installed a new filter/o-ring (buying just a new o-ring was about the same price as a new filter which comes with the o-ring). This dropped my oil right down to just below the full mark and all was good
I had the same experience here on my first oil change. I filled my oil to the full mark thinking that's where it should be. It took almost 9 qts to get it to that level. Drove it to work the next day and I noticed a big cloud of smoke when I accelerated, engine stumbled a few times and cel came on.
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