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Cheshire110

Member Since: 26 Jul 2013
Location: Cheshire/London
Posts: 2755

Injector coding, software update and remap?

Hi guys,

a couple of people have recommended that doing an 'injector learn' or 'code' is worthwhile, as my 2.4 is sounding a little bit noisy under load but is otherwise running sweet as a whistle.

I've also heard people mention making sure that the latest ECU software/update is installed?

however i have a remap currently installed. (CSK)

Can i have either the coding or the update done without affecting the remap?
What would i expect to pay a LR dealer to do either of these? Should i tell them about the remap (out of warranty now)?

cheers, David Cheers, David
Land Rovers of all shapes S3 onwardsâ€¦ Daily is a 110 V8.

11th Oct 2014 12:46pm

Cheshire110

Member Since: 26 Jul 2013
Location: Cheshire/London
Posts: 2755

Anyone know anything? Will probably give dealer a ring tomorrow but would like to have a bit of info first.

12th Oct 2014 12:36am

munch90

Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

if it was running fine before , I cant really see the point in ecu updates as nothing has changed , yes ok maybe on a new engine and new ecu set up and after time they have ironed out a flat spot etc , but ecu has no external input like a computer that has program changes etc so cant see how a update could improve things that were fine

don't think there should be need to do a injector learn/code as nothing has been changed , we have had people say "its lost the codes for the injectors " on customers cars , you muck about doing it and it never seems to help at all

and if a ecu has lost information I would say it will do it again and its knackered , BUT ecu problems very are rare on all cars really , they soild state so to speak no moving parts nothing to wear out , normally only problems start after electric shorts or battery connected wrong way etc to

12th Oct 2014 7:12am

Juhulia

Member Since: 10 Jul 2013
Location: Dresden
Posts: 17

2012 Defender 110 Puma 2.2 SW Keswick Green

Take the car to the remapper.
Seems like sth went wrong there.

12th Oct 2014 7:36am

munch90

Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

yes maybe worth removing map then see how things are

12th Oct 2014 7:40am

Lorryman100

Member Since: 01 Oct 2010
Location: Here
Posts: 2686

The remap file is based on what version software the ECU is running so if the ECU software is updated to a newer version then it will overwrite the installed remap file. Even if you remove the remap file and the dealer updates the ECU software the original remap file will not load as the software version has changed. Easy enough to check what software version you are running (it may already be up to date) by plugging in the remap interface or a diagnostic tool. Personally I redo pilot correction and pump relearn when I update the ECU software and after I install a new remap file

Second line down is the software version installed on the ECU, BTW this is an old picture!

Click image to enlarge

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated

12th Oct 2014 9:49am

GUM97

Member Since: 05 Feb 2012
Location: Cheshire
Posts: 3555

1997 Defender 90 300 Tdi HT Stornoway Grey

Pretty sure an ECU update can't be done without affecting a remap, although I may be wrong.

Cost wise, just to plug in to the computer is about £120 at main dealers... An engine to TDi for!
"Land Rover- Proudly turning drivers into mechanics since 1948"

12th Oct 2014 3:01pm

bga86

Member Since: 17 Jan 2014
Location: Here and there
Posts: 205

David you have pm

12th Oct 2014 3:33pm

Cheshire110

Member Since: 26 Jul 2013
Location: Cheshire/London
Posts: 2755

PM replied, cheers bga.

On another note, is there some good (Mac friendly) ECU/obd reading equipment that can do this myself? (i have an OBD2--USB cable).

It'd be good to read fault codes, injector learn, check updates etc., or is there nothing really between the cheap OBD apps and the more serious (read: expensive) dedicated diagnostic software. Cheers, David
Land Rovers of all shapes S3 onwardsâ€¦ Daily is a 110 V8.

12th Oct 2014 4:13pm

Cheshire110

Member Since: 26 Jul 2013
Location: Cheshire/London
Posts: 2755

Just wanted to thank bga86 for the help, cheers

Cheers, David
Land Rovers of all shapes S3 onwardsâ€¦ Daily is a 110 V8.

12th Oct 2014 4:32pm

Lorryman100

Member Since: 01 Oct 2010
Location: Here
Posts: 2686

GUM97 wrote:
Pretty sure an ECU update can't be done without affecting a remap, although I may be wrong.

Cost wise, just to plug in to the computer is about £120 at main dealers...

Quote:

ECU software is updated to a newer version then it will overwrite the installed remap file. Even if you remove the remap file and the dealer updates the ECU software the original remap file will not load as the software version has changed.

?????

12th Oct 2014 5:35pm

big steve

Member Since: 24 Dec 2009
Location: hertfordshire
Posts: 2456

2015 Defender 90 Puma 2.2 HT Montalcino Red

Sounds to me like a remap issue or the remap has pronounced it
We always chech to see if the vehicle is on the latest software before remapping ?

Was this not done ?

Steve 2015 2.2 tdci hardtop xs
3.2 conversion DONE 238bhp and 707nm torque and thats just the start ;-P
hybrid turbo in build -done ready to fit
ashcroft atb in transfer box
6 speed auto in build

12th Oct 2014 5:43pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20371

You need the remapper to tweak / check the settings, for what it's worth recently mine has been a bit noisier too and running a little rougher but nothing really to omplain about.
Had an EGR code flagged once though. Again.

My guess is that on mine.
Have you got the EGR closed on the remap?
If you had an Alive tune you could have two maps saved, LR and tuned.
And swap between the two.

12th Oct 2014 5:53pm

GUM97

Member Since: 05 Feb 2012
Location: Cheshire
Posts: 3555

Lorryman100 wrote:
GUM97 wrote:
Pretty sure an ECU update can't be done without affecting a remap, although I may be wrong.

Cost wise, just to plug in to the computer is about £120 at main dealers...

Quote:

ECU software is updated to a newer version then it will overwrite the installed remap file. Even if you remove the remap file and the dealer updates the ECU software the original remap file will not load as the software version has changed.

?????

Sorry Brian, I didn't even see that paragraph! I jumped straight to the photo in your post

Pete An engine to TDi for!
"Land Rover- Proudly turning drivers into mechanics since 1948"

12th Oct 2014 7:31pm

bga86

Member Since: 17 Jan 2014
Location: Here and there
Posts: 205

davidwhittaker wrote:
Just wanted to thank bga86 for the help, cheers

13th Oct 2014 5:52am

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