How Can I Tell If My Car Is Tuned? - Ford Mustang Forum
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post #1 of 16 (permalink) Old 04-13-2014 Thread Starter
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How Can I Tell If My Car Is Tuned?

So I bought my '13 used and it had a new h pipe, flowmaster mufflers, and a jlt CAI, that's all I can tell just from looking around at it, but is there a way I can tell if it has been tuned? Thanks in advance guys!


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2013 Performance White GT Premium: Tune, CAI, Flowmasters
1970 Mustang 351 Cleveland: MANY mods and improvements
2012 Ford Focus: Rims, Steeda CAI & Tune, Steeda Pro Springs, Steeda Front & Rear Swaybar, Steeda Rear Toe End Link, Magnaflow Catback Exhaust
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post #2 of 16 (permalink) Old 04-13-2014
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If its been tuned and you bought it from the original owner they probably would have given you a programmer with the car (ie an SCT X3/SF3). But the easiest way to know is to have your dealer check it out real quick. He can hook up to the OBD port under the dash and tell you in 2 minutes.

Another option:Most tuners increase the rev limiter above the factory 6850 RPM, so if you can rev it to 7000 before the rev limiter shuts it down that's another indication its been tuned.

One thing to note, if the car was tuned (even if its been returned to stock tune) the dealer can tell and and it may have voided your engine warranty. That said I am getting ready to tune mine anyway.


2012 GT Premium, Ingot Silver, 6SP, Brembo Pkg., Pedestal spoiler, Roush louvers, FRPP P Springs, F/R sway bars, adj. dampers, Flowmaster axle backs, Boss lower valence/splitter, Steeda shifter bracket, tint, Boss oil cooler, FRPP Brake cooling
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post #3 of 16 (permalink) Old 04-13-2014
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A dealership would be able to tell if the ecu has been flashed even if it was returned to stock


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2014 Race Red V6: sold
Airaid Cold Air Intake, pype bomb axle backs, bama 91p tune, ford racing 3.73 gears, Barton short throw shifter, Mac ceramic shorty headers.
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post #4 of 16 (permalink) Old 04-13-2014
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If its running good with no cats and no cells its tuned!

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post #5 of 16 (permalink) Old 04-13-2014 Thread Starter
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Okay thanks guys, I'm pretty sure it goes to 7000, and it runs good without cats so I guess it's been tuned, it kinda makes me nervous because I don't know who tuned its but it was probably BAMA because it has a jlt CAI and the guy probably got a combo deal...thanks guys! Also if I want to change my tune, does it matter if I know if it's been tuned before, like does it have to be returned to stock before I apply I new tune?

MY RIDES
2013 Performance White GT Premium: Tune, CAI, Flowmasters
1970 Mustang 351 Cleveland: MANY mods and improvements
2012 Ford Focus: Rims, Steeda CAI & Tune, Steeda Pro Springs, Steeda Front & Rear Swaybar, Steeda Rear Toe End Link, Magnaflow Catback Exhaust
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post #6 of 16 (permalink) Old 04-13-2014
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When you get the car retuned it should be returned to stock before adding a new tune. But if you take it to a reputable tuner for a dyno tune, your tuner will be able to load a base tune for you even though you don't have a sct tuner!

2016 Ruby Red GT/CS 401a automatic with 3:55 gears, bone stock, but not for long!
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post #7 of 16 (permalink) Old 04-13-2014
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I think you have to return to stock before you put in a new tune. Not sure how you would do that though. Maybe you can talk to the guys at BAMA. If you give them your computer code they might be able to see if it was their tune and help walk you through what to do for a new tune.

2012 GT Premium, Ingot Silver, 6SP, Brembo Pkg., Pedestal spoiler, Roush louvers, FRPP P Springs, F/R sway bars, adj. dampers, Flowmaster axle backs, Boss lower valence/splitter, Steeda shifter bracket, tint, Boss oil cooler, FRPP Brake cooling
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post #8 of 16 (permalink) Old 04-14-2014
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I never return to stock when changing tunes. I've heard horror stories of people bricking the ECU that way but it hasn't happened to me. Just make sure your battery has a full charge before you try. Like someone else mentioned, if your car has been tuned then you may run into warranty issues with the engine. Where did you buy the car from? If it was from a dealership I'd be having a talk with them about your warranty.

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post #9 of 16 (permalink) Old 04-14-2014
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Did you buy it from a dealer? Did it come with a warranty or as is? If yes, you can have them check it. If they try to void the warranty tell them you want your money back. I am sure that they won't try to void your warranty in this case. BUT, if they return it to stock you might run into a bunch of CEL's and a bag of worms. In any event you should have them document that you bought the car with the changes/upgrades you mentioned.
But as some other people mentioned this car probably has a tune. check out this link.

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post #11 of 16 (permalink) Old 04-14-2014 Thread Starter
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I'm definitely going to call the dealer and ask them about it because they offered a pre owned warranty and it came with the tune exhaust and cai. It also looks a little lower than other stangs but I don't know how to check my springs lol..

MY RIDES
2013 Performance White GT Premium: Tune, CAI, Flowmasters
1970 Mustang 351 Cleveland: MANY mods and improvements
2012 Ford Focus: Rims, Steeda CAI & Tune, Steeda Pro Springs, Steeda Front & Rear Swaybar, Steeda Rear Toe End Link, Magnaflow Catback Exhaust
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I have never needed to, but dealers can upload the factory tune on to the ecu, overwriting what is in there.

I've run mine with the stock tune for short periods of time (a week or ~40 miles) with an O/R X-pipe and it didnt throw any codes for me, but doesn't mean it won't for someone else. I'd ask them ahead of time, but if you order a tuner from BAMA or any of the others out there, I assume that when you are loading the tune, it will treat whatever tune is in the ecu as the stock tune for "returning to stock". I am sure you are not the first one to have an unknown tune possibly loaded on your car so they can answer that probably quickly. If it is running great right now and no issues, I wouldn't even bother touching the tune until you need to.

The stock springs are black, struts are black, and will have a part number on one of the coils of each spring and will usually have FoMoCo on them. I have stock ones sitting around if you want a comparison. Or you could have the dealer check it out for you whenever they have it.


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OP, are you saying your car has an offroad H-pipe, ie. no cats? I can't believe any dealer would sell such a car. That's a federal crime. Even in Texas.

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post #14 of 16 (permalink) Old 04-15-2014 Thread Starter
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Quote:
Originally Posted by 65sohc View Post
OP, are you saying your car has an offroad H-pipe, ie. no cats? I can't believe any dealer would sell such a car. That's a federal crime. Even in Texas.
Yup, I've also had a dealer purchase and sell one of my previous mustangs that had off-road exhaust.

I don't know if it matters but this is a dealer that sells customized cars for individuals, kind of like a middle man, they give it a warranty and engine inspection for like 6 months. My inspection sticker is also up to date, and I have lifted the car and I have no cats, so they definitely did something lol...but I'm not complaining...

I actually had a front bumper fog light kit in my trunk when I bought the car. Like the lower bumper part on the '13s lol I guess the previous owner left it.

MY RIDES
2013 Performance White GT Premium: Tune, CAI, Flowmasters
1970 Mustang 351 Cleveland: MANY mods and improvements
2012 Ford Focus: Rims, Steeda CAI & Tune, Steeda Pro Springs, Steeda Front & Rear Swaybar, Steeda Rear Toe End Link, Magnaflow Catback Exhaust
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I thought if he car was returned to stock when going in for service the dealership couldn't tell if it was tuned previously? Like the tune didn't leave any footprints in the ECU that the dealer could see..

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