986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - 3.6 Transplant issue with the o2 sensors.

Kroggers · 05-25-2021, 08:46 PM

Because the signal from the pre-cat o2 sensors is used by the dme to adjust the air / fuel mixture. At the moment my car is running in open loop, which is not giving the best ratios at best, and will make the car run lean at worst.

05-25-2021, 08:46 PM	#5
Kroggers Registered User Join Date: Dec 2011 Location: Finland Posts: 270	Because the signal from the pre-cat o2 sensors is used by the dme to adjust the air / fuel mixture. At the moment my car is running in open loop, which is not giving the best ratios at best, and will make the car run lean at worst. __________________ Kroggers... "Trying to drive a Boxster S for team CoolCava Racing!" www.coolcavaracing.com \| www.paulkrogdahl.com