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MK7 wont tickover properly

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Re: MK7 wont tickover properly

Postby captainkevey » Tue Nov 06, 2018 8:43 am

IMG_2612[1].JPG

is this it here will it work ok if i dont re calibrate or learn it ?
also just to add when the engine warms up its more or less back to normal ....but occasionally wants to cut out ? is this still in line with symptoms of failure of this item ?
and will the system self purge ?
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Last edited by captainkevey on Tue Nov 06, 2018 9:30 am, edited 1 time in total.
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Re: MK7 wont tickover properly

Postby captainkevey » Tue Nov 06, 2018 9:02 am

captainkevey wrote:
IMG_2612[1].JPG

is this it here will it work ok if i dont re calibrate or learn it ?
also just to add when the engine warms up its more or less back to normal ....but occasionally wants to cut out ? is this still in line with symptoms of failure of this item ?

?????
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Re: MK7 wont tickover properly

Postby captainkevey » Tue Nov 06, 2018 9:27 am

captainkevey wrote:
IMG_2612[1].JPG

is this it here will it work ok if i dont re calibrate or learn it ?
also just to add when the engine warms up its more or less back to normal ....but occasionally wants to cut out ? is this still in line with symptoms of failure of this item ?
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Re: MK7 wont tickover properly

Postby daraioj » Tue Nov 06, 2018 3:11 pm

captainkevey wrote:
IMG_2612[1].JPG

is this it here will it work ok if i dont re calibrate or learn it ?
also just to add when the engine warms up its more or less back to normal ....but occasionally wants to cut out ? is this still in line with symptoms of failure of this item ?
and will the system self purge ?
That's the one yes!

I'm not 100% sure what happens if it's not calibrated. Whether the ECU will eventually do it or not.
But it should start and run better even without the calibration.
2010 2.4L RWD 100ps MT75 LWB High Roof
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Re: MK7 wont tickover properly

Postby knobby1 » Thu Nov 08, 2018 6:53 am

captainkevey wrote:no amount of gas pedal pumping will affect the revs and it stalls


Wasting your time pumping the pedal, it's "fly-by-wire"....and will only respond when the PCM lets it. If the fuel pressure is too high or too low, rpm too low, ( under ~800rpm) after start, the throttle will be disabled.
The SCV basically controls the fuel pressure, when it plays up the PRV is the thing which suffers, when the pressure get too high, above 1600bar, the PRV blows....the PCM then sees the low pressure and stops the injectors from opening which is possibly what you're seeing when she konks out. If your SCV is duff, it more than likely has taken the PRV with it.

Don't buy ebay specials...or you'll be buying them again....they're often poor quality copies and rarely pass the learns procedure. Buy genuine Ford/Denso.....PF Jones is also a good supplier.

The learns "Must" be done after a new set of valves are fitted...also a PCM update if it hasn't been done recently. The engine will never run properly if you don't and you run the risk of things failing again. Ideally the learns should be done at each major service....as the pump, valves and injectors wear, they need re-calibrating to keep them at their best.

A lot of us have IDS and/or Forscan to do this....saves a lot of time and money as the dealers charge an arm, leg, left testicle and first born to do it.... and if it fails the learns, you'll need to get it repaired...and do it all over again costing more time and money.

Lord Knobrot
2008 2.4L RWD 170+PS 6-speed 350 LWB High Roof.

When I die, I want to go peacefully in my sleep like my Grandfather, not screaming like the passengers in his car..!
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Re: MK7 wont tickover properly

Postby andz327 » Sat Nov 10, 2018 2:12 am

knobby1 wrote:
captainkevey wrote:no amount of gas pedal pumping will affect the revs and it stalls


Wasting your time pumping the pedal, it's "fly-by-wire"....and will only respond when the PCM lets it. If the fuel pressure is too high or too low, rpm too low, ( under ~800rpm) after start, the throttle will be disabled.
The SCV basically controls the fuel pressure, when it plays up the PRV is the thing which suffers, when the pressure get too high, above 1600bar, the PRV blows....the PCM then sees the low pressure and stops the injectors from opening which is possibly what you're seeing when she konks out. If your SCV is duff, it more than likely has taken the PRV with it.

Don't buy ebay specials...or you'll be buying them again....they're often poor quality copies and rarely pass the learns procedure. Buy genuine Ford/Denso.....PF Jones is also a good supplier.

The learns "Must" be done after a new set of valves are fitted...also a PCM update if it hasn't been done recently. The engine will never run properly if you don't and you run the risk of things failing again. Ideally the learns should be done at each major service....as the pump, valves and injectors wear, they need re-calibrating to keep them at their best.

A lot of us have IDS and/or Forscan to do this....saves a lot of time and money as the dealers charge an arm, leg, left testicle and first born to do it.... and if it fails the learns, you'll need to get it repaired...and do it all over again costing more time and money.

Lord Knobrot
Sir mine wont give full power any clues......Image

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Re: MK7 wont tickover properly

Postby knobby1 » Sat Nov 10, 2018 3:39 am

Seems you've crushed your intercooler Sir...not a good look.

Lord Knobrot
2008 2.4L RWD 170+PS 6-speed 350 LWB High Roof.

When I die, I want to go peacefully in my sleep like my Grandfather, not screaming like the passengers in his car..!
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Re: MK7 wont tickover properly

Postby andz327 » Sat Nov 10, 2018 8:25 am

knobby1 wrote:Seems you've crushed your intercooler Sir...not a good look.

Lord Knobrot
Crushed fookin everything ....poor auld Bettsy but she got me the 50mls back home

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Re: MK7 wont tickover properly

Postby knobby1 » Sat Nov 10, 2018 8:36 am

andz327 wrote:
knobby1 wrote:Seems you've crushed your intercooler Sir...not a good look.

Lord Knobrot
Crushed fookin everything ....poor auld Bettsy but she got me the 50mls back home

ANDZ


Are you ok.....Air bag job...???

Lord Knobrot
2008 2.4L RWD 170+PS 6-speed 350 LWB High Roof.

When I die, I want to go peacefully in my sleep like my Grandfather, not screaming like the passengers in his car..!
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Re: MK7 wont tickover properly

Postby andz327 » Sat Nov 10, 2018 11:14 am

knobby1 wrote:
andz327 wrote:
knobby1 wrote:Seems you've crushed your intercooler Sir...not a good look.

Lord Knobrot
Crushed fookin everything ....poor auld Bettsy but she got me the 50mls back home

ANDZ


Are you ok.....Air bag job...???

Lord Knobrot
Yes mate no human injuries, surprisingly my bag never blew , was only doing about 20mph, as van dipped on the brakes the car i hit came up over the bumper strengthening crossmember and crushed all the softtish parts

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Re: MK7 wont tickover properly

Postby captainkevey » Sat Nov 10, 2018 11:54 am

Spot on with the diagnosis new scv fitted no issues on tickover no stalling thanks for your help guys :D :D :D :D :D
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Re: MK7 wont tickover properly

Postby lygi » Sat Nov 17, 2018 4:40 pm

Hi All!


I'm due to SCV replacing.

PFJONES part on its way:

https://www.ebay.com/itm/New-Denso-Dies ... 2749.l2649

Question 1:

Is this Modified ELM good for learning?

https://www.ebay.co.uk/itm/Black-USB-Mo ... :rk:8:pf:0

Question 2:
Is there any step by step forscan guide how to do learning procedure?

Question 3:
My engine been mapped - will learning make any impact to my mod?

TIA!
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Re: MK7 wont tickover properly

Postby daraioj » Sun Nov 18, 2018 1:49 am

lygi wrote:Hi All!


I'm due to SCV replacing.

PFJONES part on its way:

https://www.ebay.com/itm/New-Denso-Dies ... 2749.l2649

Question 1:

Is this Modified ELM good for learning?

https://www.ebay.co.uk/itm/Black-USB-Mo ... :rk:8:pf:0

Question 2:
Is there any step by step forscan guide how to do learning procedure?

Question 3:
My engine been mapped - will learning make any impact to my mod?

TIA!


1. Yup, it's got an FTDI chip so it should work with forscan

2. Forscan itself will guide you. It's very simple you'll see.
You connect to the car, click on the service procedures icon (wrench).
There's 4 of them you will want to run
- Fuel injection pump learn
- Reset the fuel pressure relief valve open count learned value
- Reset the fuel pressure relief valve open duration learned value
- Fuel injection pilot correction learn

3. As far as I understand, it won't. It doesn't change the mapping at all. It's just a fine tuning of the scv and injectors.
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Re: MK7 wont tickover properly

Postby lygi » Sun Nov 18, 2018 8:21 am

daraioj wrote:
1. Yup, it's got an FTDI chip so it should work with forscan

2. Forscan itself will guide you. It's very simple you'll see.
You connect to the car, click on the service procedures icon (wrench).
There's 4 of them you will want to run
- Fuel injection pump learn
- Reset the fuel pressure relief valve open count learned value
- Reset the fuel pressure relief valve open duration learned value
- Fuel injection pilot correction learn

3. As far as I understand, it won't. It doesn't change the mapping at all. It's just a fine tuning of the scv and injectors.


It’s what I need to know. Thank very much mate!
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Re: MK7 wont tickover properly

Postby lygi » Wed Dec 12, 2018 11:15 am

daraioj wrote:
lygi wrote:Hi All!


I'm due to SCV replacing.

PFJONES part on its way:

https://www.ebay.com/itm/New-Denso-Dies ... 2749.l2649

Question 1:

Is this Modified ELM good for learning?

https://www.ebay.co.uk/itm/Black-USB-Mo ... :rk:8:pf:0

Question 2:
Is there any step by step forscan guide how to do learning procedure?

Question 3:
My engine been mapped - will learning make any impact to my mod?

TIA!


1. Yup, it's got an FTDI chip so it should work with forscan

2. Forscan itself will guide you. It's very simple you'll see.
You connect to the car, click on the service procedures icon (wrench).
There's 4 of them you will want to run
- Fuel injection pump learn
- Reset the fuel pressure relief valve open count learned value
- Reset the fuel pressure relief valve open duration learned value
- Fuel injection pilot correction learn

3. As far as I understand, it won't. It doesn't change the mapping at all. It's just a fine tuning of the scv and injectors.


Just want to thank you! All procedures went smoothly! Engine like new ;-)
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