Is This True?
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Cruiser
Joined: Aug 2007
Posts: 174
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From: New York
Is This True?
I havewondered why Dynojet does not add fuel to the 0% cells at idle for cooling purposes,(Traffic) and found the followingon the Nightrider site. Is this true, does the stock ECU set the AFR at 12:1 at idle when the O2 sensors areeliminated. Thanks.
The use of O2 eliminators has become fairly common on the 2007 engines. When using an O2 eliminators supplied by PowerCommander, TFI, V&H Fuel Pak, etc., the engine idles at a very rich 12.0:1 AFR. This will reduce the engine temperature, but also reduces gas mileage 3-5MPG on an FLH and can result in excessive carbon buildup in the combustion chamber.
The use of O2 eliminators has become fairly common on the 2007 engines. When using an O2 eliminators supplied by PowerCommander, TFI, V&H Fuel Pak, etc., the engine idles at a very rich 12.0:1 AFR. This will reduce the engine temperature, but also reduces gas mileage 3-5MPG on an FLH and can result in excessive carbon buildup in the combustion chamber.
Outstanding HDF Member
Joined: May 2007
Posts: 2,304
Likes: 31
From: Florida
RE: Is This True?
I haven't seen any SERT maps that have the 02 sensors on in the 0% TP....The sensors are usually off until 20kpa. The Fuel table has the AFR at 13.0 to 12.5 in the 0% column, some times it's at 13.5...it depends on the bike.
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