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2006 2.7 auto limp mode
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Discorick
 


Member Since: 22 Nov 2019
Location: Doncaster
Posts: 9

2006 Discovery 3 TDV6 S Auto Aintree GreenDiscovery 3
2006 2.7 auto limp mode

Hi all, done lots of reading and some ace advice on here so thanks for that.

I have a 2006 disco with a long list of fault codes, but long story short its going into limp mode.

Turning it off and on resets and drives fine for a random amount of time until it goes again, not noticed any specifics as to when it goes it limp mode ie under braking or hard accelerating or any particular rpm range its totally random.

I believe the code putting it in limp is p132b or p0562 theres also a p0324 code.

The remote fob is also not working, have tested key and is transmitting fine so must be a fault in car the central locking on button still works.

So far things done-

Brake switch ordered will be fitted as soon as arrives

Egr’s blanked

Air suspension all works adequately so im not too fused by those codes.

Car runs and drives perfect until it goes into limp.

Battery reconditioned and tested and all good.


So after looking up these issues i see lots recommending to check the splices under passenger tread plate which i will be doing asap.

Does anyone have any input toward the fault codes i have and any other suggestions of things to try?


Thanks in advance
  
Post #210125822nd Nov 2019 9:55 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10336

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

I would check the turbo actuation arm thru the front left wheel arch,
using a suitably bent bit of coat hanger wire.
If stiff buy wynns vvt cleaner puple bottle.

Inspect air filter, and replace if not serviced recently


P132B-22 Turbocharger/Supercharger Boost Control A Performance – Signal amplitude > maximum Possible Causes: Turbocharger fault Intake system blocked/leaking Action: Check the variable geometry turbine vane actuator linkage. Using the manufacturer approved diagnostic system, check for turbocharger related DTCs and perform the relevant corrective actions Check the intake system for blockages/leaks.


P0562
18th January 2011 /in Land Rover CAN Fault Codes
System voltage low

p0324 Knock control system error
  
Post #210129022nd Nov 2019 1:14 pm
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Discorick
 


Member Since: 22 Nov 2019
Location: Doncaster
Posts: 9

2006 Discovery 3 TDV6 S Auto Aintree GreenDiscovery 3

Great info thanks, sorry it was p0234 turbo over boost condition.

Might just buy the VVT cleaner either way for sake of £10 and give it a go.

Will check actuator arm asap too
  
Post #210133322nd Nov 2019 3:38 pm
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discovery3ski
 


Member Since: 25 Dec 2012
Location: leicester
Posts: 734

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Is that the aerosol can spray up the air filter vvt fix?
 Discovery 3 tdv6 HSE 2007
Alfa GTV CUP
Alfa 156 JTS
Alfa Spider TS
Alfa GT Cloverleaf
Volvo XC70 
 
Post #210137922nd Nov 2019 7:29 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10336

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

No. Liquid into fuel tank
  
Post #210138122nd Nov 2019 7:38 pm
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discovery3ski
 


Member Since: 25 Dec 2012
Location: leicester
Posts: 734

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

I’m no engineer but I’m not sure how much of a product put into the tank diluted then
Compressed and burnt will be remaining in the exhaust gases to clean any turbo vanes or indeed anything once past the exhaust valve?
 Discovery 3 tdv6 HSE 2007
Alfa GTV CUP
Alfa 156 JTS
Alfa Spider TS
Alfa GT Cloverleaf
Volvo XC70 
 
Post #210138722nd Nov 2019 8:04 pm
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aja4x4
 


Member Since: 14 Apr 2019
Location: Westbury
Posts: 2459

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

The remote failure will be caused by a wiring fault and is easy to repair

https://www.disco3.co.uk/forum/central-loc...te+working
  
Post #210138822nd Nov 2019 8:06 pm
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aja4x4
 


Member Since: 14 Apr 2019
Location: Westbury
Posts: 2459

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

discovery3ski wrote:
I’m no engineer but I’m not sure how much of a product put into the tank diluted then
Compressed and burnt will be remaining in the exhaust gases to clean any turbo vanes or indeed anything once past the exhaust valve?


I have found most variable vane turbos have siezed due to rust expansion siezing the mechanism not due to soot. No amount of additive will cure this.
  
Post #210139022nd Nov 2019 8:11 pm
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GarageSteve
 


Member Since: 11 Aug 2019
Location: Peterborough
Posts: 28

United Kingdom 

Hi I am qualified mechanic running a successful small Indy garage, we use tank additives to clean petrol and diesel systems and whilst you don’t get the push you in the back of the seat performance differences you only really notice the lack of problems when using (quality ) additives 👍
 Current fleet
BMW X1
Kangoo van
Pug 108
MGF 
 
Post #210139122nd Nov 2019 8:14 pm
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discovery3ski
 


Member Since: 25 Dec 2012
Location: leicester
Posts: 734

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

I have used a variety of products to clean the fuel system by putting them in the tank. Was a fan of pouring redex down carbs to watch the smoke cloud years ago.
I can’t see how a product inserted into the tank to be burnt can clean a turbochargers vanes though?
 Discovery 3 tdv6 HSE 2007
Alfa GTV CUP
Alfa 156 JTS
Alfa Spider TS
Alfa GT Cloverleaf
Volvo XC70 
 
Post #210139322nd Nov 2019 8:20 pm
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GarageSteve
 


Member Since: 11 Aug 2019
Location: Peterborough
Posts: 28

United Kingdom 

In my experience they work with proven results that’s all 👍
 Current fleet
BMW X1
Kangoo van
Pug 108
MGF 
 
Post #210140722nd Nov 2019 9:11 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10336

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

I used it in mine and it appeared to sort it.

I think it must increase the exhaust temperature to burn off soot
Or produce some chemical post combustion.

I Was sceptical. But £10 is better that taking a turbo off one of these
  
Post #210142622nd Nov 2019 10:17 pm
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discovery3ski
 


Member Since: 25 Dec 2012
Location: leicester
Posts: 734

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

I guess for a tenner it’s worth a go. No real downside.
 Discovery 3 tdv6 HSE 2007
Alfa GTV CUP
Alfa 156 JTS
Alfa Spider TS
Alfa GT Cloverleaf
Volvo XC70 
 
Post #210142722nd Nov 2019 10:20 pm
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aja4x4
 


Member Since: 14 Apr 2019
Location: Westbury
Posts: 2459

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

I think you have to at least try it for that price.
  
Post #210145023rd Nov 2019 8:05 am
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Discorick
 


Member Since: 22 Nov 2019
Location: Doncaster
Posts: 9

2006 Discovery 3 TDV6 S Auto Aintree GreenDiscovery 3

Thanks all

So its looking likely to be a turbo fault causing the overboost.

What is a realistic amount of hours i should be looking to pay for someone to swap the turbo please?
  
Post #210172825th Nov 2019 10:39 am
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