ECU Reset Really Works! - Page 2 - Ford Mustang Forum
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NC6
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Well here I thought it was my new Airaid... Got home from work tonight, and the Airaid CAI was sitting there in a box wating. Disconnected the battery for about 1.5 hours while I did the CAI install, and just took my V6 auto for a quick spin. Wow what a difference. From this thread, it sounds like I got two things going for better performance, 1) The EU reset (temporary), and 2) the CAI (hopefully permanent) Idle is a little rough right now, but now has a nice low growl on fast acceleration below 3500rpm.

From a lot of slow stop and go driving lately around NYC, it was certainly feeling a lot slower than when I really pushed it driving up from NC.

If I had seen the thread earlier, I would have tested just the battery disconnect prior to the CAI install. (no...would not have waited. Figure I will see how it reacts tomorrow during highway commute to work.

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Last edited by NC6; 03-13-2012 at 10:50 PM. Reason: Spelling
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post #17 of 32 (permalink) Old 03-14-2012 Thread Starter
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Quote:
Originally Posted by spdracer View Post
Not so.I had my battery out all winter and all my presets,am/fm and satellite were still intact.
I'm just going off of my personal experience. All my FM/SAT radio presets were gone after I disconnected the battery.

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Originally Posted by IbleedBlue View Post
I very much enjoy the comparing and contrasting of 60's Mustangs vs. ours. Lots of "shared" design cues and body lines and angles.

Umm... I want that 60's stang please? K? thx....

freagin awesome!

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I had heard from SCT to do it this way.

1. Turn on lights and Key to on position
2. Pull battery for 30 min to 1hr
3. Turn off lights and key and reconnect battery

This will make sure all capacitors are drained.

My radio presets stayed. Also I have heard that this has helped with the 21474 misfire ECU issues. It did not however help mine. I need to get the FORD IDS ECU factory reset. However I have heard of one car that got this and it still not not fix this ECU bug.

Misfire codes after certian mods or repairs to your mustang. | A 3.7L V6 Mustang Owner Resource for Modifications and Repairs

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All Things 3.7L Mustang; V6MustangPerformance.com
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How does the reset effect MPG? I'm getting 32.8 on Hwy with the top up. With the price of gas, I don't really want to mess with the MPG.
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Quote:
Originally Posted by ThunderBun View Post
This is how I reset mine.

1. Turn on the key but do not start your car.
2. Wait until the dinging sound is gone
3. Press the gas pedal slowly for 3 seconds until it hits the floor.
4. Release the gas pedal slowly for 3 seconds until fully released.
5. Count to 6 seconds after that.
6. Turn off the key

Now you are ready to go.
I learned this from another thread sometime ago, but don't remember what thread it was.
that was awesome my friend....worked first try.....thanx....
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Thumbs up Pop the hood and pull fuse #47 for at least 10minutes.

Then plug the fuse back in. This resets the adaptive shifting memory. I do this every couple of weeks. Works great. There's a thread somewhere the explains it all and even a way to hard wire the fuse to lose the adaptive shifting memory every time the car is turned off. Hope this helps.

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I have a stupid question..... Do the manual transmission cars do the "Adaptive" thing, also?

I romped on my car last Saturday, after driving in the rain for some time. I'd swore that it wasn't as quick as it had been. The temp outside was about 90, so maybe that was it.

`13 DIB, MCA, Perf Pac, Comf Pac, Back Up Camera, MT82, AE Driveshaft, Bama Tune: 93R, BBK Shortys. Borla Touring Mufflers, Air Raid CAI, AM Shift Knob, WeatherTec mats, Stripes and Tint. "Winter 18" GT Wheels and Tires, powder coated black" Redline Hood Struts, Steeda LCAs. Paid Cash.
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I did the "Gas Petal Reset".

I think that works. If anyone has definitive info to the contrary, please speak up. You won't hurt my feelings.

It's humid, probably high 80s. I hit second hard, and left 2 black marks every bit of a car length; and that's with 3.31s and the big ol fat sticky Performance Pac 19s. I turned off the Traction Control and did even better the second time.

I looked at a 15 GT Premium. Nah. No thanks. I like mine just fine.

`13 DIB, MCA, Perf Pac, Comf Pac, Back Up Camera, MT82, AE Driveshaft, Bama Tune: 93R, BBK Shortys. Borla Touring Mufflers, Air Raid CAI, AM Shift Knob, WeatherTec mats, Stripes and Tint. "Winter 18" GT Wheels and Tires, powder coated black" Redline Hood Struts, Steeda LCAs. Paid Cash.
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Quote:
Originally Posted by a1easye View Post
How does the reset effect MPG? I'm getting 32.8 on Hwy with the top up. With the price of gas, I don't really want to mess with the MPG.
WHAT!
With city and highway driving - I average 13 mpg
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post #26 of 32 (permalink) Old 4 Weeks Ago
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!
That really works-
Better throttle response - just more responsive

Thanks for the Tip!

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post #27 of 32 (permalink) Old 4 Weeks Ago
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Every once in a while when i'm on the highway i do the wot thing no need to worry about the relearn ...Hard not to do with these 3.7s
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post #28 of 32 (permalink) Old 3 Weeks Ago
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Quote:
Originally Posted by RodgerJerney View Post
I have a stupid question..... Do the manual transmission cars do the "Adaptive" thing, also?

I romped on my car last Saturday, after driving in the rain for some time. I'd swore that it wasn't as quick as it had been. The temp outside was about 90, so maybe that was it.
I have read on this forum that even on manuals, Fuse 47 will reset adaptive throttle responsiveness, so I would give it a try, worst case scenario it does nothing. But were you running the air conditioning at the time?
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post #29 of 32 (permalink) Old 3 Weeks Ago
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The ECU turns the Air Conditioner off at Wide Open Throttle. That's a non issue.

Do you take #47 out permantly, or just briefly? Because if it can be permantly disabled, that's going to happen.

`13 DIB, MCA, Perf Pac, Comf Pac, Back Up Camera, MT82, AE Driveshaft, Bama Tune: 93R, BBK Shortys. Borla Touring Mufflers, Air Raid CAI, AM Shift Knob, WeatherTec mats, Stripes and Tint. "Winter 18" GT Wheels and Tires, powder coated black" Redline Hood Struts, Steeda LCAs. Paid Cash.
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post #30 of 32 (permalink) Old 2 Weeks Ago
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Quote:
Originally Posted by RodgerJerney View Post
The ECU turns the Air Conditioner off at Wide Open Throttle. That's a non issue.

Do you take #47 out permantly, or just briefly? Because if it can be permantly disabled, that's going to happen.
No you have to leave it out briefly. Specifically for 10-15 minutes while the engine is off (put it back before starting). There's a thread around here somewhere about permanent removal, basically via building a dongle that reduces power across 47 to nil when the engine isn't running.

What's going on is, #47 has 12 volts on it when the engine is running, and (it's been said) about half a volt when the engine is off. That half-volt provides the adaptive shifting chip enough power to retain it's volatile memory. Pull that mofo and eventually the AS chip's capacitor runs out, and it goes back to factory defaults when you start up again (this is all from memory so don't quote me, but you get the idea).

Regarding AC, it seems to me that my car has some delay in shut-off, and it's not very consistant. Could just be my imagination I guess.

2013 V6 Automatic, 3.73 Diff, Airaid CAI, BAMA Tune, 19x8.5" wheels with 245/45/R19 tires
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