ECM or Pro tuner
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Stage I
Joined: Apr 2017
Posts: 1
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From: Portland Oregon
ECM or Pro tuner
I was going to add a Screamin Eagle air cleaner to my 2013 Street Glide. I tought the calibration would come with the labor of putting it on . Now I am being told I need I need the pro tuner. Confused here. Am I doing damage to my bike by not adding the tuner, will the ECM calibration work as well ? I am aware of bike running richer without tuner , but what about the ECM calibration ?
Club Member
Joined: Mar 2016
Posts: 11,680
Likes: 22,218
From: Clearwater, Idaho
First, welcome to the forums. Secondly, if the air cleaner is the only upgrade you are doing (assuming no other engine/exhaust upgrades have been done) you won't need to recalibrate your ecm, though your bike will like it if you do.
By the way, upgrading the air cleaner will likely cause your bike to run leaner, not richer.
By the way, upgrading the air cleaner will likely cause your bike to run leaner, not richer.
Seasoned HDF Member
Joined: Jul 2008
Posts: 9,281
Likes: 1,139
From: southeast PA
If all you're going to do is add the air cleaner you really don't need to tune it, but a good tune will help with the lean running condition that comes from the factory.
The ECM download from the dealer cannot adjust the AFR outside of the EPA regs so the bike will still run lean. It's a huge waste of money.
There's lots of other tuner options other that what the dealer wants to sell you. And bear in mind that when the dealer tunes it they still have to be within EPA specs.
You won't hurt the bike by adding the air cleaner but you might want to consider a simple fix like one of the XIED versions. It's kind of a band-aid but just might be all you need. Simple to install and not spendy. Look it up on nightrider.com
The ECM download from the dealer cannot adjust the AFR outside of the EPA regs so the bike will still run lean. It's a huge waste of money.
There's lots of other tuner options other that what the dealer wants to sell you. And bear in mind that when the dealer tunes it they still have to be within EPA specs.
You won't hurt the bike by adding the air cleaner but you might want to consider a simple fix like one of the XIED versions. It's kind of a band-aid but just might be all you need. Simple to install and not spendy. Look it up on nightrider.com
Stellar HDF Member
Joined: Feb 2016
Posts: 2,066
Likes: 259
From: Northstreet, michigan
Get yourself a good aftermarket tuner. The bikes run lean already, the air cleaner is gonna make it run leaner (probably not enough for you to notice) and leaner means hotter.
Stage II
Joined: Jun 2017
Posts: 2
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From: Ohio
Tumer
Don't some company make a tuner that will automatically tune and adjust as needed as you ride with out down loading program?
Club Member
Joined: Mar 2016
Posts: 11,680
Likes: 22,218
From: Clearwater, Idaho
Many of the aftermarket tuners have an autotune feature, but it will only adjust within a narrow range with the bikes stock narrow band O2 sensors. If the existing tune is already outside that range, it won't be able to compensate enough. That's why it's important to have a base map installed that's as close as possible to the optimum tune before attempting to use the autotune feature.
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