Thank you very much for the "KISS method" You made it very easy to understand and I very much appreciate your help!

Some days I am soooo sloooooooooow. lol

 

Some of the best and easiest info is available on the Fuel Moto website, www.fuelmotousa.com Jamie explains the HD Fuel Injection system and how different tuners work with it.

The PC V or the new Fuel Pak wont wort with XEIDs because they bypass the O2 Sensors and if you left them connected they would be fighting the device for control in closed loop.

Go with a Power Vision, Sert, TTS and you can keep the sensors intact to have the benefits of the closed loop and still have performance because these tuners make adjustments to both the open and closed loops by reseting all ECM parameters , not tricking the ecm into adding extra fuel or less fuel.

 

Maybe Vance & Hines or Nightrider can provide some definitive guidance. You can view the Fuelpak #61019 directions on the V & H website. Nothing is said about disconnecting O2 sensors with this new Fuelpak for 2011 models. Nothing on the Nightrider site indicating any incompatibility using their FL-ViED-10's with the new Fuelpak. Although my bike is running fine with both I'd like to know if the FL-ViED-10's are being defeated by the new Fuelpak!

 

I'm like you, it's not mentioned in the instructions. I just emailed both the tech and customer service department asking for clarification. The FL-VIED-10's work fine stand alone, but if both will compete with the attention of the ECM, I'd suspect they'd cancel each other... I'll post their response to my email when I hear back from them.

 

stock bike starts and warms up and voltage comes out of the O2 sensors until the bike warms up and then a changed voltage gets sent from the O2 sensor. As long as the ECM considers the o2 sensor functional it runs in closed loop.


open loop is where the ECM thinks the o2 sensor has failed. In a failed O2 sensor senerio, the ECM will used the last successful O2 sensor transmitted values.


Now, enter passive devices like XIED's. They use a resistor pair to drop the voltage. Once the voltage drops to the point where the ECM thinks the O2 sensor failed, ECM runs open loop.


Now, the last remembered voltage transmission from the O2 sensor was during bike warm up in which he fuel mixture was rich.

 

Well I did speak with the V&H FuelPak Tech department again today (different tech) and again they confirmed the new FuelPak LCD 61019 does not use the o2 sensors. He said there was some sort of plastic insert that is included with the package that fits between the o2 sensor connectors, isolating them (keeping them from making a connection, but keeps the connectors together - neat fit). I pointed out that the instructions on their website (pdf) didn't mention anything about disconnection the o2 sensors, at which point he looked and said disconnecting the o2 connectors should have been noted in there... said they'd make the correction. I also asked again what would happen IF the o2 sensors weren't disconnected and/or XIED's were still in place. He said that the new LCD controlled BOTH the open loop and closed loop function (unlike the earlier version for earlier than 2011 bikes). I didn't get the definitive answer I was looking for, only that it possibly could create issues and at best with the LCD in place the information from the sensors would be ignored. That's about it. When my FuelPak LCD is delivered, my FL-VIED-10's are coming off and I'm going to follow the instructions that have now been confirmed twice.