displaying posts 1 to 15 of 15

Author Subject: DTA mappers / users
daver6

Seasoned Pro

Location: Durham

Registered: 08 Aug 2010

Posts: 2,379

Status: Offline

Post #1
Hi chaps, I've a question for you all.

We're developing a fuel injection package and are having a few problems with throttle response.

If the linkage is as it would be standard, we get full WOT, but you can't blip the throttle for shifting, there is a big dead spot.

We can change the linkage so that it gets 75% throttle, this let's up blip the throttle.

So, we have the linkage which is working the dta tps. In my mind, I should be able to tell the software that the 75% position is WOT and set the fueling accordingly.

Does that make sense or am I missing something?

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Posted 10th Sep 2012 at 09:17
phillipm

Seasoned Pro

Location: Rotherham

Registered: 15 Oct 2006

Posts: 20,607

Status: Offline

Post #2
Are you using the drive by wire, or the standard throttle body?

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Posted 10th Sep 2012 at 11:16
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

Status: Offline

Post #3
what is it?

All you do is set the tps position so it works fine, then tell the ecu that you have it at off and to use that voltage value, then stick it on WOT and log that voltage value, 3/4 between those will be 75% throttle.

simples Dunno

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Posted 10th Sep 2012 at 11:18
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #4
I agree with Meirion, can't really see the issue unless we're missing something simple? Dunno

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Posted 10th Sep 2012 at 12:00
daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

Status: Offline

Post #5
Is the drive to the throttle pot sloppy? Does it go from zero to maximum correctly?

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Posted 10th Sep 2012 at 12:18
daver6

Seasoned Pro

Location: Durham

Registered: 08 Aug 2010

Posts: 2,379

Status: Offline

Post #6
Sorry, this has probably made me sound a little thick.

I'm trying to suggest a cure for the problem, but keep being told "the mappers know what they're doing", so I'm left thinking, well, why the f**k haven't they sorted this issue.


Basically, you've confirmed that what I thought was correct. It was more a question to see if it was doable, I know next to nothing about mapping etc My knowledge is more carb based

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Posted 10th Sep 2012 at 13:00
yippeekayay

Seasoned Pro

Location: wilts

Registered: 27 Oct 2008

Posts: 4,144

Status: Offline

Post #7
My Dta needed a linear pot to be installed in place of the tps rather than the one and off or less sensitive pot on my 8v 205 gti turbo. Like meirion says you set it to zero and measure the voltage through the rev range and the Dta does the rest. Couple of flat out and off calibration runs of the throttle allows the Dta to be set up correctly.

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Posted 10th Sep 2012 at 13:16
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #8
I use the standard TPS on my setup with the DTA, works fine. Yes

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Peugeot 306 GTi-6
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Posted 10th Sep 2012 at 13:27
daver6

Seasoned Pro

Location: Durham

Registered: 08 Aug 2010

Posts: 2,379

Status: Offline

Post #9
Just to point out, this isn't on a pug. The tps is setup to work with original linkage as it would have worked with the carbs

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Posted 10th Sep 2012 at 15:16
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

Status: Offline

Post #10
what is it?

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need a part number? get on here - http://public.servicebox.peugeot.com

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Posted 10th Sep 2012 at 15:58
daver6

Seasoned Pro

Location: Durham

Registered: 08 Aug 2010

Posts: 2,379

Status: Offline

Post #11
welshpug! wrote:
what is it?


Not really allowed to say yet

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Posted 10th Sep 2012 at 17:21
dangti6

aka JKshooter

Location: Taunton, Somerset

Registered: 15 Jun 2006

Posts: 10,305

Status: Offline

Post #12
DB5

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  • Posted 10th Sep 2012 at 17:28
    daver6

    Seasoned Pro

    Location: Durham

    Registered: 08 Aug 2010

    Posts: 2,379

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    Post #13
    dangti6 wrote:
    DB5


    LOL Good guess, but nope

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    Posted 10th Sep 2012 at 17:41
    dangti6

    aka JKshooter

    Location: Taunton, Somerset

    Registered: 15 Jun 2006

    Posts: 10,305

    Status: Offline

    Post #14

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  • Posted 10th Sep 2012 at 17:47
    daver6

    Seasoned Pro

    Location: Durham

    Registered: 08 Aug 2010

    Posts: 2,379

    Status: Offline

    Post #15
    dangti6 wrote:



    LOL Thumbs up

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    Posted 10th Sep 2012 at 17:52

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