Request - '17 or '18 EcoDiesel Owners -vs- Initial AEM Performance Feedback

Request - '17 or '18 EcoDiesel Owners -vs- Initial AEM Performance Feedback

This is a discussion on Request - '17 or '18 EcoDiesel Owners -vs- Initial AEM Performance Feedback within the FCA/EPA 3.0L Diesel Settlement and AEM (Approved Emissions Modification) forums, part of the FCA/EPA 3.0L Diesel Settlement and AEM category; **REQUEST** For any forum members who currently drive a 2017 or 2018 model year EcoDiesel, I am sure the forum would love to hear your ...

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Thread: Request - '17 or '18 EcoDiesel Owners -vs- Initial AEM Performance Feedback

  1. #1
    RAM Jr Member grock87's Avatar
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    Question Request - '17 or '18 EcoDiesel Owners -vs- Initial AEM Performance Feedback

    **REQUEST**
    For any forum members who currently drive a 2017 or 2018 model year EcoDiesel, I am sure the forum would love to hear your thoughts on some of the AEM feedback others are posting about acceleration performance changes to their MY '14 -'16 EcoDiesels.

    I recall at least one forum member having owned both a 2014 & 2017/18 recently posting about making their 2nd ED purchase.

    This AEM in theory, should be the same as these factory tuned truck for these model years, no?

    TexasRam forum user has been doing a great & informative job providing initial feedback, would love for a recent MY owner to chime in as well ....


    ... I know I am curious & I'm sure lots of others are too!


    Thanks in advance.

    Quote Originally Posted by TexasRam View Post
    Well Iíve put about 700 miles on the AEM now and I am really looking forward to getting the GDE hot tune when itís available. Contrary to my initial prediction the conservative throttle response I referred to has not gone away. The computers have had what i feel is enough mileage to adapt to my driving style. It feels as if the accelerator pedal is attached to a rubber band sometimes. When Iím accelerating from a stop light sometimes itís like iím only suggesting to the truck that it can start moving if it wants to. Sometimes I can push the accelerator 10-40% it will only accelerate at a 10% rate, thereís not a linear response, but if I give it 50% or more (the rubber band is fully stretched now) then suddenly iím forcing the truck to dramatically launch forward. Itís not nearly as refined as before the AEM in that respect. Iíve also noticed the rubber band effect is more prevalent if the oil, coolant, and Trans temps arenít up around 200F.

    I suspect that FCA is playing it super safe with throttle mapping to reduce soot produced under acceleration and the EGR is more active now contributing the the poorer throttle response. I get it, FCA is playing it safe to please the EPA at all costs. Iím just glad iím NOT going to be stuck with this version for long.

    To be fair Iím kind of ranting because iím annoyed the way the truck responded a couple times today. Itís not all bad, the transmission shifts smoothly (maybe better now) and the MPG is the same. Iím just anxious to get the GDE Hot Tune, hopefully theyíve got the AEM compatible hot tune figured out in 6 weeks when my settlement check arrives.

    Today my dealership ordered a replacement DPF sensor to remedy the P24AE code. Maybe thereís a chance the failing DPF sensor is affecting how the truck drives now with the AEM. The sensor had been failing for months before the AEM update and it didnít seem to affect anything back then besides illuminating the CEL.
    -----
    '16 Laramie, 3.92 rear axle, 4x4

  2. #2
    RAM Veteran Bgbdwlf2500's Avatar
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    Have a 17, factory tune sucks but itll remain stock. Bought leftover 17 with 19 miles April 28 2018 so have had it for a year, now has 15k.

    Sent from my SM-N950U using Tapatalk

  3. #3
    RAM Jr Member Valley Outdoorsman's Avatar
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    Had a 2016, and now a 2018

    The 2018, holds gears longer before up shifting and same with down shifting. The regen seems slightly longer in duration as well as increased DEF consumption. Fuel consumption seems slightly more, but only have 5000 km in 2 months so still not broken in yet. EGT seem slightly higher on the highway too.

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  5. #4
    RAM Professional HYDREX's Avatar
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    My 2017 actually ran and drove great stock, also got great mpgs. I do love the GDE Hot Tune, think they should name it the "Green Tune" though, because it's very mild. I'm totally happy with the shifting, even while towing, at least a big improvement from my 2005 hemi. On a side note, wonder what percentage of folks with the AEM will get GDE tuned?
    TwoBobs and jg08 like this.
    17 CC 4X4 Bighorn Ecodiesel GDE Hot Tune, 08 Arctic Cat 700 Super Duty Turbo Diesel ATV

  6. #5
    RAM Sr Member RansomT's Avatar
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    Since my beginning on this board, about a year ago, I haven't understood the comments about the OEM tune on these trucks. My '18 hasn't shown hardly any of less desirable traits others have mentioned. Now, it could be that my truck "may" weight a few hundred pounds less being a Tradesman, but on the other hand it's a 4x4 crew with a 6.4' bed. About throttle response, if I turn the wheel (say to make a left turn) and press the throttle more than 30% it spins. Straight line from a stop, I say 70% throttle and it lights it up. I don't know about "hesitation" folks have talked about here, no dead spots, no hesitation. And fuel mileage has been stellar... A few things I don't like is at speeds at 60 mph or under, it does hunt between 7-8 gears when I am empty. Towing a 6x12 box motorcycle trailer, if I use the TOW setting it wants to live in 6-7th gear on near flat ground at 65 mph. Without TOW, it says mainly in 7th but will shift to 8th if it;s slightly down hill or absolutely no wind.

  7. #6
    RAM Rookie 1frankpt's Avatar
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    I purchased my 2018 single cab tradesman in February. I decided not to delete or tune for now for reasons of state inspection and warranty. I purchased the extended warranty.. I added hot shots diesel extreme and use hot shots edt every fill up. I am very happy with the performance of the truck. Has plenty of power and doesn't shift roughly at all. In the city towing all of the time I get 17 mpg. Only downfall is the regens I get one per week but they only take around 15 minutes.

  8. #7
    RAM Bronze Member Kazimodo's Avatar
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    grock87 , I guess one would have to drive both a (2017/2018) , and then right away
    jump into a newly AEM updated ( 14/15/16 ) to feel the comparaison ....
    ..
    I hope for the owners of 2017/2018 that they have not been driving in the conditions reported by
    owners of newly flashed older trucks , one said it is now a PIG .

  9. #8
    RAM Rookie greggdoud@gmail.com's Avatar
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    Unhappy Post AEM upgrade throttle response issue

    Quote Originally Posted by grock87 View Post
    **REQUEST**
    For any forum members who currently drive a 2017 or 2018 model year EcoDiesel, I am sure the forum would love to hear your thoughts on some of the AEM feedback others are posting about acceleration performance changes to their MY '14 -'16 EcoDiesels.
    I recall at least one forum member having owned both a 2014 & 2017/18 recently posting about making their 2nd ED purchase.

    This AEM in theory, should be the same as these factory tuned truck for these model years, no?

    TexasRam forum user has been doing a great & informative job providing initial feedback, would love for a recent MY owner to chime in as well ....


    ... I know I am curious & I'm sure lots of others are too!


    Thanks in advance.
    I had the AEM upgrade last Thursday on my 2016 RAM Ecodiesel along with 8 spd transmission shifter recall, upgrade (or something to that effect), all so I could get the $3075 settlement payout. Right away I felt a problem with the throttle response. You could push the pedal 50% to the floor and it barely accelerated above idle speed, Not cool when you're familiar with how it should be accelerating for any given traffic scenario. Once well past the half pedal range it jumps to life, but I don't like making jack rabbit starts as it affects mileage, I'm not 16 anymore and just isn't necessary. I did notice once the truck is warmed up, it seems to go away, but this is still not acceptable. I fully expect to hear a lot more grumblings from ED owners after the AEM upgrade. If this is not something that clears itself up within a weeks time, it's going back to the dealer. FCA is going to have to issue another recall to fix the AEM fix. The last thing I want is for me or anyone else to get rear ended because the damn throttle won't get the truck moving!

  10. #9
    RAM Veteran Bgbdwlf2500's Avatar
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    Quote Originally Posted by RansomT View Post
    Since my beginning on this board, about a year ago, I haven't understood the comments about the OEM tune on these trucks. My '18 hasn't shown hardly any of less desirable traits others have mentioned. Now, it could be that my truck "may" weight a few hundred pounds less being a Tradesman, but on the other hand it's a 4x4 crew with a 6.4' bed. About throttle response, if I turn the wheel (say to make a left turn) and press the throttle more than 30% it spins. Straight line from a stop, I say 70% throttle and it lights it up. I don't know about "hesitation" folks have talked about here, no dead spots, no hesitation. And fuel mileage has been stellar... A few things I don't like is at speeds at 60 mph or under, it does hunt between 7-8 gears when I am empty. Towing a 6x12 box motorcycle trailer, if I use the TOW setting it wants to live in 6-7th gear on near flat ground at 65 mph. Without TOW, it says mainly in 7th but will shift to 8th if it;s slightly down hill or absolutely no wind.
    Greggdoubs post sums it up. Sometimes it's really bad sometimes it doesnt do it. Mine is a stock 17

    Sent from my SM-N950U using Tapatalk

  11. #10
    RAM Jr Member JohnnyMac's Avatar
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    I haven't driven a pre-17 to have anything to compare to, but based on my experience with my 2018, I am pretty impressed with the quick acceleration this little Eco has. I have driven larger diesel trucks and they seemed pretty slow to react and when I test drove a VW Touareg tdi I was also underwhelmed with the performance so I kind of had a preconceived idea of what the EcoD was going to be like. It's not like that at all in my opinion. It zips along pretty well. There is certainly a tad bit of turbo lag, but I recently plugged a Pedal Commander into it and now I really don't feel any lag to speak of. I have never been in a position that I felt the truck was underpowered or felt unsafe. Whatever the new AEM firmware is doing to the truck doesn't sound right to me.
    Kazimodo likes this.
    I'd much rather go to my grave never needing my gun, than go there wishing I had it.

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