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Where would you start?
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Fewst
 


Member Since: 05 Oct 2018
Location: Kent
Posts: 68

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Barolo BlackDiscovery 3
Where would you start?

This is my first post so Hi. From spending the last two/three hours reading the forum there seems to be alot of info/knowledge on hear so im hoping some of it is going to save me some time. Ive just picked up a D3 early 2006 HSE, on 135k it has various issues (where do i start) rear number plate lights not working (fuse is good so guessing an earth issue as the bulbs look quite burnt), bonnet doesn't register as shut (new catch/switch needed) most of the calipers need a overhaul as they dont "float" all things i'm more than happy dealing with.

However the main issue being the dreaded ESF. Which comes up on start up, and sits in the back ground. I drove the car back home 70+ miles after i decided to take it on as a project and it felt to be down on power but no huge clouds of smoke, only a when trying to accelerate hard(ish). Plugged it in and the F/C its throwing is P123B-00 eluding the the turbo being toast. Big Cry However after reading im wondering if perhaps i should look at the IC condition, clean the MAP sensor, check the actuator is free before ripping into changing he turbo?

So my question where would you start in getting the ESF sorted? TIA
  
Post #19893546th Oct 2018 2:16 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13657

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hi and welcome

Suppose personally the first place I would start is ensure the belts have been replaced , check oil pump cover as well to ensure it’s the reinforced one , normally change them at the same time the belts are done , piece of mind

Indeed as u mention , Turbo could just be a sticking actuator arm, map sensor is clean, blank the egrs , but leave the pipes in situ , just use some blanking plates between the egr pipes and engine block, remove the butterfly valve at the same time

Check ur intercooler hoses are tight and no splits , also check the horizontal jubilee clamp next to ur turbo , as per pic

Smoke will normally be ( as u look at the engine) , split in the left hand side IC hose

Then a good service , checking oils , fuel and engine filters , brakes etc , bonnet switch, bulbs etc ,

So then u have a good baseline to work from knowing it’s safe , when is ur MOT due , any history with it

If ur going to keep it a while a great diagnostic reader is an iid made by gap , pay for themselves very quickly

Where abouts in Kent are u plse

Hope that helps Thumbs Up

Ps, hope u don’t mind me saying , if u fill in ur profile people will then know what you have every time u post


   
Post #19893566th Oct 2018 3:14 am
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G7jtk
 


Member Since: 03 Jun 2014
Location: Prudhoe
Posts: 846

England 2007 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Hi there.
The bonnet switch may be full of crud. Clean with switch cleaner. Worked for me.
  
Post #19893646th Oct 2018 7:37 am
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sarumlight
 


Member Since: 07 Nov 2008
Location: Off the Plain
Posts: 1590

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Check the intercooler hoses really carefully before spending lots on the turbo.
  
Post #19893886th Oct 2018 10:03 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10367

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

as you say:

clean the MAP sensor, check the actuator is free

check hoses for splits
  
Post #19893986th Oct 2018 10:54 am
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Moo
D3 Decade 


Member Since: 13 Aug 2010
Location: Wiltshire
Posts: 13912

Ukraine 2005 Discovery 3 TDV6 S Manual Zambezi SilverDiscovery 3

Also check for holes in the intercooler itself.
 New Defender L663 110 SE (known as Noddy!)

Sold Volvo XC90 R-Design (known as Basil)

Sold - D4 HSE (Known as Gerty)

No longer the Old Buses original owner Sad
231,000 miles and counting
05 S manual owned from March 2005
D4 Face lifted
Still original injectors and turbo
V8 Front brakes
BAS Remap, Allisport Intercooler and deCat
EGRs blanked
T-Max split charge
Hanibal Expeedition rack
Prospeed ladder
Duratrac tyres
IID BT
BAS FBH control 
 
Post #19894066th Oct 2018 11:07 am
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F355GTS
 


Member Since: 10 Nov 2008
Location: North Hampshire
Posts: 849

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Buckingham BlueDiscovery 4

After checking the hoses check for a a split intercooler, not uncommon, I've had two, look for oil on the faces and on under tray nearby
 Mark  
Post #19894076th Oct 2018 11:09 am
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Fewst
 


Member Since: 05 Oct 2018
Location: Kent
Posts: 68

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Barolo BlackDiscovery 3

Thanks for the replies. Seems IC and hoses are common suggestion so I’ll be checking them over the course of this next week before i go any deeper into the turbo. Bonnet latch/switch is defo in need of replacement had previously cleaned and added lubrication to the correct areas however the lock still didn’t latch. Added an extra spring as per pic so it now locks shut when you close the bonnet but still flags as open to the dash. It’s got history, belt was done at 92,000 miles it’s about due a service so will tackle that at the same time as sorting the turbo issue, what ever that might be. Hopefully means some peace of mind over winter
  
Post #19897947th Oct 2018 10:42 pm
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