Dead pedal reported on radio this morning

[dinebito]

uh oh!! the 6.0L PSD is "Fly-by-wire"??? i did not know that... i learn many new things from this site everyday!!

[jschira]

ALL PSD's are fly-by-wire.

[resqdawg3]

I didn't know that they were fly-by-wire until today when I finally decided to look under the dash board. I was trying to route out a spot for some speaker wires....Cool. I guess. lol

[bass1968]

I have had the same problem as DWolf and DucatiSSsp (nice bikes). It has only happened a few times, but just like you guys say it is when you put into rev. and then into drive. I do not have the adjustable pedels.

[IB_Tim]

This going backward thing……….and then into drive, is the truck still rolling at all when you apply throttle to it, and it hesitates.

[DucatiSSsp]

Tim,
I would say that there is still some momentum when you drop it into gear and stab the throttle...but not much. Can't ever recall any of my vehicles with this much lag in the response of the throttle.
Cheers,
Bryce
BTW,
I am taking my truck into the Ford dealership to get the latest flash. The service writer said they would have to test my truck to see if it qualified for it. She somewhat questioned my ability when I told her I changed the oil and then the romping, smoke and erratic idle started. She thought I had been reading too many PSD forums and imagining this stuff. I let y'all know how it runs tomorrow evening.

[IB_Tim]

DucatiSSsp,

The reason I asked is the computer in these systems obviously has a feed back loop, hence the control process, there is a good possibility that if it is sensing a reward motion from a wheel sensor……. it might have a parameter within it that says “I can’t give it gas until it stops reward motion”
Now this never used to occur with mechanical throttles, fly by wire has a very different set of parameter before it will execute a command……………………….give it gas when applying throttle! If we knew the code then the max/min value could be changed. The difficulty here is “us” not being able to understand the methodology in writhing the code. This set point in the computer could be as little as a tenth of MPH. I understand why Ford would not want a big heavy monster with a bunch of HP to be capable of rolling backwards….. stomping on the throttle, and having interesting outcome. Of course the is all IMO.

[DucatiSSsp]

Originally posted by Tim Lamkin
DucatiSSsp,

The reason I asked is the computer in these systems obviously has a feed back loop, hence the control process, there is a good possibility that if it is sensing a reward motion from a wheel sensor……. it might have a parameter within it that says “I can’t give it gas until it stops reward motion”
Now this never used to occur with mechanical throttles, fly by wire has a very different set of parameter before it will execute a command……………………….give it gas when applying throttle! If we knew the code then the max/min value could be changed. The difficulty here is “us” not being able to understand the methodology in writhing the code. This set point in the computer could be as little as a tenth of MPH. I understand why Ford would not want a big heavy monster with a bunch of HP to be capable of rolling backwards….. stomping on the throttle, and having interesting outcome. Of course the is all IMO.

I thought the same thing, but you say it with much more mechanical ability or knowledge, guess why that's why I'm stuck workin in a grocery store Knew I shoulda listened to Mama and done did my homework!
I posted the following in "September 29 Flash" thread
Hi Guys,
Just got flashed!!.......ok my truck just got flashed this morning.
Reprogrammed PCM, FICM, ICM, OTC and wheel axle ratio, reflashed pcm and roadtested.
All I can say is WAAAAHOOOOO!!!
Truck idles and runs smoother, more pickup at lower rpm's, shifts down quicker when throttle is applied and turbo kicks in sooner. I'll say that if your truck isn't running smooth, this flash is for you. At least now I don't feel like I made a $42k mistake. It runs that much better!!
Cheers,
Bryce
PS
I'll update after I drive it a few more times.


Haven't really tested the Dead-pedal syndrome yet, but after a few more drives, I'll let you know
Cheers,
Bryce

[diesels revenge]

I have the cure for you guys this pedal is awesome quickie throttle no more dead pedal it helped my ET'S at the drag strip too.

[FTE Ken]

Motorhaven, the store that supports this site, has the same pedal for less. 1-877-399-6417

[IB_Tim]

What is the mechanical or electrical advantage to the after market pedal.
This is very intriguing as to how and why it works…………taking away the dead pedal problem.
There has to be one of the above to make a difference.

[DWolf]

ken or diesels revenge
I looked at the pedal add and do not understand how it can gain 10 hp or make a quicker pedal and is it a easy install?
thanks Don
Hi Tim it looks like you had the same question as I at the same time Don

[FTE Ken]

Here's the deal....

This is not a magic pedal that gives more power overall. It contains a more precise and accurate sensor that does not have the flat spot. Because of this, the PCM has better throttle response as the throttle passes through this region, resulting in slightly faster turbo spooling. You don't gain any peak HP (wide open throttle) but you do gain HP across this normally flat spot.

[IB_Tim]

Originally posted by DWolf
ken or diesels revenge
I looked at the pedal add and do not understand how it can gain 10 hp or make a quicker pedal and is it a easy install?
thanks Don
Hi Tim it looks like you had the same question as I at the same time Don

Something here is very strange, from an engineering point of view I am having a bit of a problem fathoming success with a simple change of a part……………..there are so many different parameters that the pedal accomplishes. This is going to be real interesting. I am anxious to learn………..

Learn from the mistakes of others. You can't live long enough to make them all yourself.

[FTE Ken]

That's why I said it doesn't increase HP overall. You'll just seen better throttle response in the flat spot due to the sensor providing a more linear reading to the PCM.