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Old 04-24-2009, 04:25 PM   #10 (permalink)
cfg83
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Southcross -

Quote:
Originally Posted by Southcross View Post
OEM brand is Bosch... but I'm "modifying" my setup for better cold FE. You would have to know the caveats of single wire vs multi-wire (heated) O2s. a Heated O2 may improve my FE allowing me to set the ECU to Closed Loop sooner

...
I've also considered that and should probably do it. My post-cat is a heated 4-wire sensor.

My reason would be a little different. A while back RH77 reminded me that extensive use of EOC (engine off coasting) can cool the 1-wire 02 sensor and push you more into open-loop conditions. One that stays heated would be immune to EOC.

CarloSW2
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