Slight Reduction In Acceleration. Has Anyone Else Experienced This Issue.

[ryun]

Were you charged up to 100%?

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[shoopg]

How high the state of charge is will effect how much power it makes. The motor inverters are typically limited on amperage (among a bunch of other factors) so if you can keep the voltage as high as possible eg. 100% SOC, then you'll get the most kW out of the motors.

This is also why ER trucks have more horsepower than the SR trucks. ER trucks have a ~40v higher nominal pack voltage.

 

[Grumpy2]

Yes. I was using sport mode.

Have you monitored with a scanner to confirm if all battery conditions remain the same? Just trying to eliminate all possible other causes ...

 

[ElectrifyingMe25]

Were you charged up to 100%?

Yes, I had a full charge and the battery wasn't hot. I need to connect an OBD-II data collector and see if anything odd pops out. I have the Torque app and an OBD-II scanner that I used for my ICE Explorer, but it doesn't collect the right data. Any suggestions?

 

[shoopg]

Yes, I had a full charge and the battery wasn't hot. I need to connect an OBD-II data collector and see if anything odd pops out. I have the Torque app and an OBD-II scanner that I used for my ICE Explorer, but it doesn't collect the right data. Any suggestions?

For Torque you'll need the extended PIDs here:

https://www.macheforum.com/site/threads/ford-mustang-mach-e-extended-pids-for-torque-project.7427/

 

[Altivec]

Someone else made mention of this fairly recently too.

I feel the same way, that acceleration just isnt quite what it was before. But maybe I'm just more used to it.

That someone was me. I was able to squeal the tires by punching it even at 30mph. I can no longer squeal the tires even from a stand still. I only have about 7000 miles on the truck but tires should be more warn then when new so it should break free easier. From the last thread where this was discussed, it was mentioned maybe they improved traction control, so I did tests by disabling traction control and advance track. Made no difference, I still can't squeal the tires.

As I mentioned in the last thread, I am not really complaining because the truck is still insanely fast. I just found it interesting that something changed. I also agree with Firn's assessment, they probably reduced current a bit to protect the battery or motor or something. Even so, they should communicate these things otherwise they open themselves up to lawsuits and bad publicity.

 

[ElectrifyingMe25]

That someone was me. I was able to squeal the tires by punching it even at 30mph. I can no longer squeal the tires even from a stand still. I only have about 7000 miles on the truck but tires should be more warn then when new so it should break free easier. From the last thread where this was discussed, it was mentioned maybe they improved traction control, so I did tests by disabling traction control and advance track. Made no difference, I still can't squeal the tires.

As I mentioned in the last thread, I am not really complaining because the truck is still insanely fast. I just found it interesting that something changed. I also agree with Firn's assessment, they probably reduced current a bit to protect the battery or motor or something. Even so, they should communicate these things otherwise they open themselves up to lawsuits and bad publicity.

I agree 100%. It's not the same truck I test drove and purchased..... for a premium.

Bait and switch lawsuit if you wanted to take it that far. Kinda like buying a tesla model S for performance and getting the experience of a Prius.

Ford should give us a notice and explanation for the need to do this change. It's only hurting the relationship they have with loyal customers. It was a sneaky move.

 

[MADequipment]

Agreed. I’ve tried using my phone to measure 0-60. I’m somewhere in the high 5 second mark with tires warmed. Usually at about 70% state of charge when I’m doing these impromptu tests.

 

[RLXXI]

Lately, I've noticed a small reduction in my ability to accelerate. I don't have any warnings or other issues.

I tried to demonstrate my Lightning's ability to accelerate to a friend today and it didn't have that impressive take off as it normally does.

Has anyone else experienced this. If I didn't know better, I would say the acceleration curve has been modified.
What all can effect the acceleration?

I know the A/C running and other things being powered could possibly cause this effect. Could the vehicle been running something in the background that zapped it's acceleration?

Looking for help.

Thanks

The only time I've noticed anything like this is when I forget to put it in sport mode. <-- Daily driver.

 

[jamelski]

1- your tripping

2- you and your friends must weigh over 800lbs maybe to slow the truck a little

3- didn’t mention your tripping?

Truck is still just as fast, go to a 1/8 or 1/4 mile track. You can do pass after pass until the battery get in the HOT range it will pull same time over and over again

lastly YOUR tripping

 

[ElectrifyingMe25]

1- your tripping

2- you and your friends must weigh over 800lbs maybe to slow the truck a little

3- didn’t mention your tripping?

Truck is still just as fast, go to a 1/8 or 1/4 mile track. You can do pass after pass until the battery get in the HOT range it will pull same time over and over again

lastly YOUR tripping

You'll experience what I have described sooner or later unless you always drive like a grandma. If that's the way you drive, I'm OK with that.

BTW.... try to be kinder when you post and respond to a post on this forum. Don't cut people down for posting their issues. This forum is for everyone who has questions and concerns about their Lightning.

Thanks... have a good evening.

 

[jamelski]

You'll experience what I have described sooner or later unless you always drive like a grandma. If that's the way you drive, I'm OK with that.

BTW.... try to be kinder when you post and respond to a post on this forum. Don't cut people down for posting their issues. This forum is for everyone who has questions and concerns about their Lightning.

Thanks... have a good evening.

I floor my truck everywhere and it’s just as fast as with 26k miles as it did at 4 miles. I was not rude or disrespectful. I’m just saying you’re Trippin. “You feel your truck slower”

I hurt your feeling about saying your tripping thinking you can feel your car being slower a slight bit

Yikes America today

YOUR A TROLL bro

 

[KahnDawg]

I agree 100%. It's not the same truck I test drove and purchased..... for a premium.

Bait and switch lawsuit if you wanted to take it that far. Kinda like buying a tesla model S for performance and getting the experience of a Prius.

Ford should give us a notice and explanation for the need to do this change. It's only hurting the relationship they have with loyal customers. It was a sneaky move.

I feel similarly about the acceleration, but I’d also add-in the deceleration rate in 1-pedal drive seems to be reduced. I thought it was from screwing around (added the glare-free option) in FORScan, but it is interesting to see others reporting the same. I haven’t done any concrete analysis, but anecdotally a 5.0 F-150 out ran me on the highway the other day. Granted we were going around 70 and I know the juice is limited in the upper speed range.

 

[queuewho]

This was a super common thread or discussion in forums or discord servers when the model 3 was newer in 2018 or so. It's all psychological. You're just used to it now.

 

[RLXXI]

Don't know if it'll work with these electric power trains or not but with ICE vehicles there's a thing called KAM, keep alive memory, that learns the driver's habits and adapts. This can sometimes cause a drop in perceived performance and is easily fixed by simply disconnecting the battery for a while.

Worth a try and doesn't cost anything, disconnect the LVB for 30 mins then go drive it again.

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