Used Tuner - erase old custom tunes? - Ford Mustang Forum
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post #1 of 12 (permalink) Old 01-21-2016 Thread Starter
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Used Tuner - erase old custom tunes?

I got a good deal locally on a SCT X4 tuner and Airaid Race CAI. The tuner is unmarried with 4 unlocks left. I ordered custom tunes from Steeda and received them via email today. I've never used a tuner before so researching that but I did download the SCT Updater program and updated the tuner to the latest version. I have NOT loaded the new custom tunes from Steeda into the tuner.

My tuner has 3 custom tunes that are still on it. Do I need to erase or remove the old custom tunes that are still on my tuner and if so, how do I do that?

Thanks in advance-


2011 Mustang GT 5.0

Current Mods:

Borla S-Type Axle Backs, Billet GT Fuel Door, Strut Tower Brace, Raxiom Tail Light Sequencers, Airraid CAI, Steeda Race Tune, RTR Racing Stripes, Blacked Out Rear Deck & 5.0 Emblems, Side Louvers.
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post #2 of 12 (permalink) Old 01-22-2016
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The custom calibrations that are on there now will not work with your car, they are for the previous owners car. So yes you can delete them. If you are having any technical issues with the tuner I would suggest calling SCT, they have awesome tech support. 4077742447. If youre looking to modify your car more you should give us a call. 5745949559.

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post #3 of 12 (permalink) Old 01-22-2016
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You should have received instructions on how to load the new tunes into the tuner.

I'm pretty sure that when you do that, you will see the screen that allows you to remove the old ones. (Or load the new ones in addition to the old ones; but in your case, I would delete the old ones so I don't get confused and load the wrong one to the car.)

| 2010 GT coupe | Daily Driver with some Steeda and GT500 take-off stuff for the occasional track day
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post #4 of 12 (permalink) Old 01-22-2016
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You should have received instructions on how to load the new tunes into the tuner.

I'm pretty sure that when you do that, you will see the screen that allows you to remove the old ones. (Or load the new ones in addition to the old ones; but in your case, I would delete the old ones so I don't get confused and load the wrong one to the car.)
I'm pretty sure the tunes are locked to a specific ECU serial number or something similar. It wont let you load the tune on any other car besides the one it was tuned for. Keeps people from using 1 tune to load on multiple cars without paying for them.

2012 Mustang GT, Brembo Pkg, Yellow Blaze Metallic

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post #5 of 12 (permalink) Old 01-22-2016
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The tune is specific to the strategy code of the ECU. These codes change from time to time during a model year so if the OPs car and the previous owners car had the same code the tune would work but I wouldn't use them unless I new what mods the tunes were made for.

Dave
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post #6 of 12 (permalink) Old 01-23-2016
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OP said it was unmarried so he'll be good to go. I know with my Xcal 3, i just pick the slot, say slot 1. Then have the new tune placed in it's spot. Then rename it what the tune is to remember. I always just overwrite them since I like have multiple tuners tunes on my car to test out.

2014 Mustang GT, A6, Grabber Blue
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post #7 of 12 (permalink) Old 01-23-2016 Thread Starter
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Ok I got the CAI installed with no issues. First time really doing any type of automotive work other than changing oil but I think it went fine. I got everything hooked back up, reconnected battery terminal and put strut tower brace back in.

I then went in and added the preloaded tunes from Steeda (93 octane with CAI) and it went just like the instructional videos said it would.

The ONLY issue was when it was done, I disconnected the tuner and cranked the car there was a semi loud noise and loud knocking from the engjne area. It really caught me off guard and lasted about 2 minutes- sounded like sucking air but the knocking was very very loud. It eventually calmed down and started idling normal at about 1000k. During the loud noise and knocking the RPM's were not high.

I waited a few more minutes and it sounded fine and I took it for a drive and it felt great...better throttle response and a little crisper. Drove for about 10-15 minutes, got some gas and headed home. At no point did I hear any noise like I did when I first cranked it after the tune and CAI install.

Anything to be worried about?


2011 Mustang GT 5.0

Current Mods:

Borla S-Type Axle Backs, Billet GT Fuel Door, Strut Tower Brace, Raxiom Tail Light Sequencers, Airraid CAI, Steeda Race Tune, RTR Racing Stripes, Blacked Out Rear Deck & 5.0 Emblems, Side Louvers.
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post #8 of 12 (permalink) Old 01-25-2016
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Quote:
Originally Posted by WingT88 View Post
. . .
I then went in and added the preloaded tunes from Steeda (93 octane with CAI) and it went just like the instructional videos said it would.

. . .

Anything to be worried about?
hmmmm . . . yeah I would be a bit concerned about that, whenever I have loaded new tunes the car has run pretty much normal from the start, though the idle might be a little off until it "learns" the new tune.

The most important thing is that the tune matches the car (and mods) and the gas in the tank.

Was the "Steeda" tune written for the Airraid CAI that you have; or was it written for a Steeda CAI? If it was for a different CAI there is a good chance that the MAF diameter is wrong/different and that is not what you want.

Also, do you have 93 octane gas in the tank? You don't want to run a 93 tune with anything less than 93 octane gas.

| 2010 GT coupe | Daily Driver with some Steeda and GT500 take-off stuff for the occasional track day
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post #9 of 12 (permalink) Old 01-25-2016 Thread Starter
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I have only put 93 octane in it since I bought it..

With regards to the CAI I bought it off CL from a guy who had it on a 2011 GT also. How can I tell exactly what model CAI I have? I think when I filled out the Steeda tune request form I just put Steeda race CAI since it did not have the MVT tube. It has not made any noise since and no Check engine lights are on, but it definitely made some loud weird sounds when I first cranked it for about 2 minutes.

2011 Mustang GT 5.0

Current Mods:

Borla S-Type Axle Backs, Billet GT Fuel Door, Strut Tower Brace, Raxiom Tail Light Sequencers, Airraid CAI, Steeda Race Tune, RTR Racing Stripes, Blacked Out Rear Deck & 5.0 Emblems, Side Louvers.
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Quote:
Originally Posted by WingT88 View Post
I have only put 93 octane in it since I bought it..

With regards to the CAI I bought it off CL from a guy who had it on a 2011 GT also. How can I tell exactly what model CAI I have? I think when I filled out the Steeda tune request form I just put Steeda race CAI since it did not have the MVT tube. It has not made any noise since and no Check engine lights are on, but it definitely made some loud weird sounds when I first cranked it for about 2 minutes.
The tune has to match the MAF tables or your car will think its getting more/less air than it actually is and the engine will at best run poorly and at worse damage itself badly. It needs to be very specific to the model of MAF that you have.

2012 Mustang GT, Brembo Pkg, Yellow Blaze Metallic

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post #11 of 12 (permalink) Old 01-25-2016 Thread Starter
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I emailed the tuner from Steeda and here was the reply:

"Due to the open element of the air filter you will get a lot more noise through there. I looked at the tune and it looks correct. Although I cant hear the noise you should be fine. In most cases where there is a problem you will get a CEL light."


I also emailed Airaid with a pic of my CAI to see if they could identify the specific model.

The only thing that's a bit weird about my CAI (maybe not) is that there is a gold "Airaid" logo in the air box and I did not see any on Airaids site or AM in the 2011-2012 Airaid CAI section that also had an Airaid gold logo on the tubing AND the Airbox. Not sure if that is specific to a certain model or not.

Pic:



Thoughts?

2011 Mustang GT 5.0

Current Mods:

Borla S-Type Axle Backs, Billet GT Fuel Door, Strut Tower Brace, Raxiom Tail Light Sequencers, Airraid CAI, Steeda Race Tune, RTR Racing Stripes, Blacked Out Rear Deck & 5.0 Emblems, Side Louvers.
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Quote:
Originally Posted by WingT88 View Post
. . . . I looked at the tune and it looks correct. . . .

I also emailed Airaid with a pic of my CAI to see if they could identify the specific model.

Thoughts?
Does the Steeda guy think you have a Steeda CAI? If so, he is saying it is right for the Steeda CAI . . . but since you have Airraid CAI, that might not be right for what you actually have.

"Airraid CAI without restrictor tube" is probably close enough.

| 2010 GT coupe | Daily Driver with some Steeda and GT500 take-off stuff for the occasional track day
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