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Home > Maintenance & Mods (L322) > 4.4TDV8 P040D-00(2F) EGR temp sensor A - Where's the sensor?
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GGDR



Member Since: 26 Nov 2016
Location: London
Posts: 3519

United Kingdom 2011 Range Rover Vogue SE TDV8 Stornoway Grey

Graeme it's still weird the IID doesn't have access to temps for Sensor A and Sensor B. I'll email Pat on that.
. Cheers, Greg
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2011 Vogue SE 4.4 with lots of toys in Stornaway

Post #486141 15th Aug 2018 10:19am
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GraemeS



Member Since: 07 Mar 2015
Location: Wagga area
Posts: 2301

Australia 2012 Range Rover Autobiography TDV8 Bournville

I have already received a response from Patrick where he states that Gap have provided live values for all live values implemented by LR for this engine. I have also been advised that Autologic also only shows the 4 exhaust pipe temperature sensors. I wonder if LR forgot to include the EGR temperature sensors considering that the version of the wiring schematic that I obtained from Topix a while ago mislabelled the EGR temperature sensors as a 2nd set of pre and post catalytic converted temperature sensors, corrected by a correction document.

Post #486156 15th Aug 2018 11:49am
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GGDR



Member Since: 26 Nov 2016
Location: London
Posts: 3519

United Kingdom 2011 Range Rover Vogue SE TDV8 Stornoway Grey

Ah I see. But if there is a sensor on the car sitting out a value there must be a way of seeing it surely?
The EGR unit uses those values to operate.
. Cheers, Greg
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2011 Vogue SE 4.4 with lots of toys in Stornaway

Post #486166 15th Aug 2018 1:13pm
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GraemeS



Member Since: 07 Mar 2015
Location: Wagga area
Posts: 2301

Australia 2012 Range Rover Autobiography TDV8 Bournville

Sensors etc are only accessible via the OBDII port if the ecu software is programmed to provide the specific data upon request.
It is not impossible that the ecu s/w has been updated to provide that data since its initial version and that tool suppliers aren't aware that the extra data is now available.

Post #486228 15th Aug 2018 9:57pm
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GGDR



Member Since: 26 Nov 2016
Location: London
Posts: 3519

United Kingdom 2011 Range Rover Vogue SE TDV8 Stornoway Grey

Hi Nino, apologies fior he the delay, here it is:



I also got the 6-faced tool as per above discussion. Was cheaper then the JLR one anyway.

Tried on the weekend but I've still not got the right tools, had to order a 'wobble' socket extension, I need to articulated extension or two to reach the manifold. I still don't know if I'll be able to break it out, slightly worried it'll be heat-fixed in there....

Will post updates on progress....

Wobble extension example:
 Cheers, Greg
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2011 Vogue SE 4.4 with lots of toys in Stornaway

Post #486783 21st Aug 2018 8:04pm
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GGDR



Member Since: 26 Nov 2016
Location: London
Posts: 3519

United Kingdom 2011 Range Rover Vogue SE TDV8 Stornoway Grey

Tackling this job today, but as Craig has reported, it's definitely a cow (level 9).

ATTEMPTED SENSOR REPLACEMENT:

As far as I have gotten is:

- Removed the cabin air plenum box.
- Removed the battery surround frame,
- and unclipped a few cables.

This photo is for orientation, follow the arrow to find the connector :



With that stuff out of the way you can get around the back of the engine to unplug the connector (circled):



Fine so far and onto the actual sensor.

Fo orientation, this is the NS strut tower, the area we are looking at is down where the yellow arrow is pointing:




I made up a long reach WD40 spray to spray the sensor nut, left it soak overnight.



Here is the sensor, with WD40 pooling up in the top:



The WM says do this:



Looks so easy in that diagram. (Pic also shows the socket over the sensor).

Priobem 1: If you look in my pic there is an exhaust heat shield with a hole for the sensor. This is aligned badly so the special tool (socket) won't go over the nut and fouls on the heat shield. My photos from an and but if it was square-on you'd be able to see he the hole is off centre to the sensor nut. The nut sits just below the shield. I'm trying, on mms away from locating it for 45 mins with no joy. Levering the shield works a bit but I need a wide and very long flat screwdriver. Also the visibility 'tunnel' is so narrow, putting any tool in there blocks your view.

Problem 2: Even if I could get the tool over the nut, the angle is pointing at immovable bulkhead because the WM pic doesn't show the tiny access gap between the manifold and the bulkhead. I bought wobble extensions but they won't 'bend' enough, i'd need a 45 degree socket joint or something.

So I'm stuck here at the mo. Tea may help. Usually helps anyway. Will report in again later.

. Cheers, Greg
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2011 Vogue SE 4.4 with lots of toys in Stornaway

Last edited by GGDR on 25th Aug 2018 2:12pm. Edited 1 time in total

Post #487107 25th Aug 2018 1:27pm
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John w



Member Since: 14 Jan 2018
Location: Cranleigh, Surrey
Posts: 439

United Kingdom 2011 Range Rover Autobiography Black TDV8 Barolo Black

None of these jobs are ever easy are they Confused

You might have to get inventive, and get your arm up/down in there with a shorter extension.

I bought my wobble extensions from halfords. I also have a ratchet with an articulated head. That helps to get it in places a fixed one wont go.

You might need something stronger than tea, unless it's Hogs Back T.E.A. that is Laughing Too many toys, not enough time

2011 4.4 TDV8 AB Black

Post #487112 25th Aug 2018 2:03pm
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nino_nino



Member Since: 29 Mar 2015
Location: pocitelj
Posts: 690

Bosnia Herzegovina 2012 Range Rover Autobiography Black TDV8 Santorini Black

I found couple pictures that show the position of the sensor well.:







Nino, 2012 TDV8 Black Edition
2000 Disco. TD5
1975 series III

Post #487120 25th Aug 2018 4:14pm
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Baltic Blue



Member Since: 13 Aug 2015
Location: North Wales
Posts: 3673

United Kingdom 2011 Range Rover Vogue SE TDV8 Baltic Blue

Greg,
Did you take any live values with the sensor unplugged, to check which reading has changed ?

Mike. G reg 2.5VM Vogue Portofino red 1991- 1999
V reg 2.5td P38 Rioja red 1999- 2006
53 reg td6 Vogue Oslo blue 2006- 2015
11 reg 4.4 TdV8 Vogue SE. Baltic blue 2015- date.
https://www.fullfatrr.com/forum/topic56162...tty+affair

Post #487123 25th Aug 2018 4:44pm
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Baltic Blue



Member Since: 13 Aug 2015
Location: North Wales
Posts: 3673

United Kingdom 2011 Range Rover Vogue SE TDV8 Baltic Blue

Click image to enlarge


Mike G reg 2.5VM Vogue Portofino red 1991- 1999
V reg 2.5td P38 Rioja red 1999- 2006
53 reg td6 Vogue Oslo blue 2006- 2015
11 reg 4.4 TdV8 Vogue SE. Baltic blue 2015- date.
https://www.fullfatrr.com/forum/topic56162...tty+affair

Post #487124 25th Aug 2018 5:04pm
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GGDR



Member Since: 26 Nov 2016
Location: London
Posts: 3519

United Kingdom 2011 Range Rover Vogue SE TDV8 Stornoway Grey

Hi guys, well spent the last couple of hours since last post trying, dropping a socket somewhere difficult, retrieving it, putting everything back and retreating, having lost the battle.

Mike, no I didn't take a value off the sensor. How would I do that? I'll do it on round two. It's not over!

I was sooooo close, but so far. The pic you posted Mike is a dreamland of space and access. In reality, it's a vertical shaft of space a touch bigger than your arm, even with the bits out that the WM says to take off, you can look in the shaft, or you can have a hand and a tool in the shaft, but not both.

The problem no.1 is the heat shield as mentioned ^^^. Actually, two exhaust heat shields meet at that point, that's why the holes for the sensor are not right, the two heat shields overlap there. There is an 8mm stainless bolt right next to the sensor that kinda joins/holds them down and together, which by some miracle I was able to remove. That allowed me to bend up one shield, but it wouldn't bend enough to let the sensor socket over.

I think I'll have to remove the head shields, much more work and might even be a ramp job. Otherwise get a Dremmel down there (probably no chance actually) to open up the hole. But even if I could get a dremmel extension down there, the chances of shaving the existing sensor makes that risky.

Just thinking aloud, I'll come up with something.... It might be easier to invent a couple of small robots, train them and send them in! Razz Razz Razz

I've taken on a tough one; Craig even farms this job out, another I read about sheared off the sensor in the manifold.


. Cheers, Greg
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2011 Vogue SE 4.4 with lots of toys in Stornaway

Post #487127 25th Aug 2018 5:22pm
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GGDR



Member Since: 26 Nov 2016
Location: London
Posts: 3519

United Kingdom 2011 Range Rover Vogue SE TDV8 Stornoway Grey

Nino, I think that is the other EGR sensor? The one on the EGR maybe?
Doesn't look at all familiar. Mike's diagram shows correct one.
But those 3D renders are rubbish. Bring back the Haynes manual I say!
. Cheers, Greg
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2011 Vogue SE 4.4 with lots of toys in Stornaway

Post #487129 25th Aug 2018 5:26pm
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GGDR



Member Since: 26 Nov 2016
Location: London
Posts: 3519

United Kingdom 2011 Range Rover Vogue SE TDV8 Stornoway Grey

It's all Ford's fault:


 Cheers, Greg
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2011 Vogue SE 4.4 with lots of toys in Stornaway

Post #487130 25th Aug 2018 5:29pm
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GGDR



Member Since: 26 Nov 2016
Location: London
Posts: 3519

United Kingdom 2011 Range Rover Vogue SE TDV8 Stornoway Grey

Click image to enlarge
 Cheers, Greg
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2011 Vogue SE 4.4 with lots of toys in Stornaway

Post #487131 25th Aug 2018 5:37pm
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Cam-Tech-Craig



Member Since: 04 Aug 2011
Location: Gloucestershire
Posts: 16165

England 2015 Range Rover SVAutobiography SDV8 Loire Blue

gonna_go_double_r wrote:

Craig even farms this job out, another I read about sheared off the sensor in the manifold.


Now you know why i don't entertain doing them sir!

FYI JLR main agents book time for this job is 0.8hrs and the probe is £40-£60ish so £130-£180 all done... I cannot compete with that price so send all of mine to our local Main Dealers... Thumbs Up

Post #487138 25th Aug 2018 6:31pm
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