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Old 01-31-2014, 10:15 AM   #1
ToyotaBuzz
 
Drives: 2010 Hatch
Join Date: May 2013
Location: Masaryktown, FL
Posts: 111
CEL on open loop. Ruin engine?

I installed a Wepaon R header, TRD muffler, and Nitto mid-pipe with no CAT. Of course the CEL is on and traction is off.

Since this means my engine is in open loop (I've read 13.5:1 AFR by default) is the engine running rich and washing my cylinders of oil? Am I slowly ruining my engines compression?

Discuss please.
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