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Old 07-28-2015, 07:22 PM   #1
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Taking car in for maintenance with mods

For those of you with offroad mid pipes, tunes, etc. Do you guys remove the tune and go back to stock before going in to get serviced? I just got my offroad H and need to tune my 14 3.7 but I've read things about tuners leaving a "footprint" on the ecu which voids your warranty. But I'm still pretty confused about it all.

Should I just go ahead and tune it? I'm in Cali so I would like to hear from you guys in CA aswell, and no I'm not worried about emissions/smog cuz I know I'll have to go back to stock for that when that time comes.

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Old 07-28-2015, 07:34 PM   #2
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When ever you bring your ride into the dealership you should return it to stock, just in case the have to update it for whatever reason.


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Old 07-28-2015, 07:56 PM   #3
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When ever you bring your ride into the dealership you should return it to stock, just in case the have to update it for whatever reason.


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That only works for cars that are not modded much. Someone with long tubes and off road x pipe, and 3:73 gears going back to stock tune, isn't gonna roll that well.

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Old 07-28-2015, 08:01 PM   #4
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That only works for cars that are not modded much. Someone with long tubes and off road x pipe, and 3:73 gears going back to stock tune, isn't gonna roll that well.

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That is true, we can get away with 3.73s but the LTS and offroad not so much lol. At that point you tell the dealer not to do any updates and leave it tuned.
Op if the dealer whats to know if your tuned they can tell. How does your dealership feel about modding? What i did was sat down with my service manager before I started modding and they were OK with it, while this doesn't mean you can do what you please and expect them to just fix a blown motor from a crappy tune per say, but it meant that I could go ahead and tune with some bolt ons without the constant worrying about possible headaches from my dealer.

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Old 07-28-2015, 08:02 PM   #5
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What are you taking it in for? Routine stuff?

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Old 07-28-2015, 08:17 PM   #6
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What are you taking it in for? Routine stuff?

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Yeah routine stuff. Like today I took it in for an oil change, fluid top-off's, tire rotation (the works package).


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Old 07-28-2015, 08:19 PM   #7
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I'm

That is true, we can get away with 3.73s but the LTS and offroad not so much lol. At that point you tell the dealer not to do any updates and leave it tuned.
Op if the dealer whats to know if your tuned they can tell. How does your dealership feel about modding? What i did was sat down with my service manager before I started modding and they were OK with it, while this doesn't mean you can do what you please and expect them to just fix a blown motor from a crappy tune per say, but it meant that I could go ahead and tune with some bolt ons without the constant worrying about headaches from my dealer.

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I'm not really worried about the tune, I'm more worried about taking it in with a CEL from not having a tune with my O/R H. Unless I go back to stock with that too which I could cuz the it's only ~1 hour install.


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Old 07-28-2015, 08:20 PM   #8
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And if I do go back to stock tune, that would be one less unlock with my tuner, correct?


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Old 07-28-2015, 08:30 PM   #9
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Old 07-28-2015, 08:36 PM   #10
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No.

Then what does an unlock mean?


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Old 07-28-2015, 08:45 PM   #11
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Personally, i am not sure. I havent got to that point yet. But everytime my SCT device needs updated, i return to stock before updating it (as it suggests). Think I have done that 3 times already and i still have 5 of 5 unlocks left.
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Old 07-28-2015, 08:46 PM   #12
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When you sell it to someone else without returning your car to stock. They have to send it in to be unlocked. (Unmarried is the term most people use)


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Old 07-28-2015, 08:50 PM   #13
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When you sell it to someone else without returning your car to stock. They have to send it in to be unlocked. (Unmarried is the term most people use)


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I understand that but wouldn't that be the same as returning to stock for a routine service?


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Old 07-28-2015, 09:00 PM   #14
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No. You can theoretically go from tuned to stock as many times as you want (as many times as the memory media lasts on the car would be the technical limit, not sure how many thousands of times you could re-write the data).
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Old 07-28-2015, 09:34 PM   #15
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An "unlock" happens when the tuner is used for another car - if you set your car back to stock, then someone uses it to load a tune to their car it will use an "unlock". If you simply set your car back to the stock tune, and only use it on your car it won't register an unlock. When I was doing testing and evaluation for Doug on the 2013 automatic tunes I swapped tunes several times a day as he made adjustments. With the turbo I have data logged and swapped tunes many times as we get the tuning dialed in. Doesn't affect the unlock status at all.

Unmarried is different from unlock. Unmarried means that the car that it was used on was set back to stock using the tuner and it can now be used on a different car.

And yes, even if you set the car back to stock Ford will be able to tell that it was tuned. Get a good relationship with the service writer at the dealership and they will work with you. At mine he always asked if it was set back to stock when I took it in, so that if there was an update from Ford he knew if it was okay to install it. If I hadn't set it back to stock then he would let the tech know that no computer updates were to be done. Of course with the turbo they know when it comes in that it is not running a stock tune.
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Old 07-28-2015, 09:44 PM   #16
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An "unlock" happens when the tuner is used for another car - if you set your car back to stock, then someone uses it to load a tune to their car it will use an "unlock". If you simply set your car back to the stock tune, and only use it on your car it won't register an unlock. When I was doing testing and evaluation for Doug on the 2013 automatic tunes I swapped tunes several times a day as he made adjustments. With the turbo I have data logged and swapped tunes many times as we get the tuning dialed in. Doesn't affect the unlock status at all.

Unmarried is different from unlock. Unmarried means that the car that it was used on was set back to stock using the tuner and it can now be used on a different car.

And yes, even if you set the car back to stock Ford will be able to tell that it was tuned. Get a good relationship with the service writer at the dealership and they will work with you. At mine he always asked if it was set back to stock when I took it in, so that if there was an update from Ford he knew if it was okay to install it. If I hadn't set it back to stock then he would let the tech know that no computer updates were to be done. Of course with the turbo they know when it comes in that it is not running a stock tune.

Yup, I've had a long day and mixed up my terms. You are correct!
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Old 07-28-2015, 10:08 PM   #17
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Yup, I've had a long day and mixed up my terms. You are correct!

Thanks, guys! Looks like I'll be getting myself a tune then! Any recommendations? I've heard good things about MPT's race tune but I'll probably be going with BAMA first because they offer the free tunes for life.


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Old 07-28-2015, 10:11 PM   #18
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Thanks, guys! Looks like I'll be getting myself a tune then! Any recommendations? I've heard good things about MPT's race tune but I'll probably be going with BAMA first because they offer the free tunes for life.


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From someone who runs Bama and MPT tunes and have done so for almost 5 years, Bama is a solid choice. I would go with both Bama and MPT once done modding.

Start with Bama and add MPT to your arsenal of tunes but Bama is top notch.

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Old 07-29-2015, 05:11 AM   #19
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Yeah routine stuff. Like today I took it in for an oil change, fluid top-off's, tire rotation (the works package).


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For routine stuff, I leave my car as is (tune, off-road x-pipe). I even left it as is when they warrantied my water pump.

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Old 07-29-2015, 05:22 AM   #20
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put a piece of tape/paper on the OBD port saying "Do NOT Flash" to prevent an ambitious tech from giving you an update.

or buy a fancy port cover.
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Old 07-29-2015, 01:28 PM   #21
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Everyone has covered all of the bases....................I've also put something like this on my car;

Diablosport C2000 OBDII Connection Port Cover do not Program Red | eBay

There are cheaper one out there, and it also covers the OBD port.
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Old 07-30-2015, 02:17 AM   #22
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I'm not really worried about the tune, I'm more worried about taking it in with a CEL from not having a tune with my O/R H. Unless I go back to stock with that too which I could cuz the it's only ~1 hour install.


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When I installed my O/R prochamber I put 2 spark plug defoulers in the rear o2 sensor spot and then put the o2 sensor into those, essentially removes the o2 sensor from the direct stream of exhaust and your car doesn't throw a code, been running about 1000 miles so far and all is good for me

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Old 08-08-2015, 03:45 PM   #23
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I installed my Lethal O/R H and it didn't throw a CEL without a tune, is this normal? Lol
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