Quote:
Originally Posted by 42pilot
I reduced mine from E3 to E2 today. After driving it aggressively today, I noticed it was running a bit warm on a 38 degree day. When I got home, the smell of something burnt filled the garage - exactly like the day I brought it home with 20 miles on it. The engine, when running up the RPM, around 3500, would sound like a small metal rattle was letting loose for just a moment. In a gas motor, you shut it down quickly as this is detonation (knocking).
I backed the E3 down to E2 and the rattling went away and the coolant temp dropped a bit, and there is no more smell - which I think was the catalytic converter really heating up. For my engine, I will not go higher than 2.
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Better safe then sorry! what was your oiltemp?