2018 FXBB Upgrade Problems - Harley Davidson Forums: Harley Davidson Motorcycle Forum
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post #1 of 18 (permalink) Old 09-08-2018, 11:54 PM Thread Starter
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2018 FXBB Upgrade Problems

Just got my 2018 Street Bob. I just installed the Vance & Hines Short Shots Staggered with the Super Q Baffles, the HD Screamin' Eagle high-flow air filter and the Vance & Hines Fuelpak FP3. I went through the process to tune the bike. Everything seemed to go as planned. The next day, I rode the bike. At the start-up, the idle varied between 850 and 1300 rpms. I went out for a 10 minute ride. As I would slow down, the bike was idling aroung 2400. When I came to a complete stop, the idle dropped to 1900.

Next day, I started the AutoTune and rode for about 90 minutes. When I completed the ride, I updated the map. Still was having issues.

Called Vance and Hines, they uploaded my map, modified it and I downloaded the new map. When I started the bike, things seemed to be better.

Today I rode my bike around. As I pulled up to a store, the idle was around 2500. As I was riding home, the "check engine" light came on. This concerns me. I got home and parked the bike. After the bike cooled down, I started it up. The "check engine" light was still on.

At this point, do I take the bike to the Harley shop for them to diagnose the problem? I live in California where there are regulations on pipes. Do I contact Vance and Hines and have them help me with the fuel management system? The bike has 500 miles on it. ANY suggestions will be greatly appreciated.
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post #2 of 18 (permalink) Old 09-09-2018, 12:05 AM
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HI
a 2018 streetbob is a new bike with factory guarantee
What is the fault code the bike gives ??
Why havent jou done the upgrade by the dealer where you bought the bike ??

https://www.hdforums.com/forum/milwa...treet-bob.html

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post #3 of 18 (permalink) Old 09-09-2018, 05:46 AM
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If this was not done by the dealer you run the risk of voiding the warranty.

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post #4 of 18 (permalink) Old 09-09-2018, 10:59 AM
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The V&H Fuel controler will Void the Warranty if the Dealer finds it. Had a good friend find out The "Hard Way"

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post #5 of 18 (permalink) Old 09-09-2018, 11:05 AM
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The V&H Fuel controler will Void the Warranty if the Dealer finds it. Had a good friend find out The "Hard Way"
I believe that.
And before the OP starts throwing a hissy at the Dealer, he needs to read about what the EPA did to the MoCo.
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post #6 of 18 (permalink) Old 09-10-2018, 07:02 AM
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First find out what code the bike if throwing. If you have a check engine light on there should be a code. Do you have a factory service manual...a Harley-Davidson Service manual. Best to have one on hand! Once you know the code the bike is throwing post the info here. Someone will be able to help. Also let Vance and Hines know what the code is...they may be able to help also.

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post #7 of 18 (permalink) Old 09-11-2018, 08:53 AM
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Quote:
Originally Posted by Ddaddyo View Post
The V&H Fuel controler will Void the Warranty if the Dealer finds it. Had a good friend find out The "Hard Way"
Quote:
Originally Posted by Rum Runner View Post
If this was not done by the dealer you run the risk of voiding the warranty.

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Listen to these guys. If you don't use Screamin Eagle upgrades, and not have MoCo do it, then it will void the warranty.
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post #8 of 18 (permalink) Old 09-11-2018, 09:36 AM
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Listen to these guys. If you don't use Screamin Eagle upgrades, and not have MoCo do it, then it will void the warranty.
Not only that, they will know there was mods done, they can tell trough either the exhaust fasteners or the ECM. That's where you will run into trouble.

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post #9 of 18 (permalink) Old 09-11-2018, 09:42 AM
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Not only that, they will know there was mods done, they can tell trough either the exhaust fasteners or the ECM. That's where you will run into trouble.

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You're right. The codes will still be there if he puts all the original parts back, correct?
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post #10 of 18 (permalink) Old 09-11-2018, 09:51 AM
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Not much reaction from the guy who started the thread....

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