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Home > Technical (L322) > 4.4 TDV8 MAP sensor

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Frans@Yamorna

Member Since: 15 Apr 2017
Location: Tzaneen
Posts: 145

2012 Range Rover Vogue SE TDV8 Zambezi Silver

OK Nino.That can get oily through the turbo's.Should not be to dirty as it is before the dirty EGR air.The I/C should stop most dirt(oil)?If a lot of oil on the sensor then one of the turbo's seals are leaking!
Frans 2012 TDV8 Vogue SE 4.4

Last edited by Frans@Yamorna on 11th Jul 2017 2:42pm. Edited 1 time in total

11th Jul 2017 12:47pm

nino_nino

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

2012 Range Rover Autobiography Black TDV8 Santorini Black

you are right Frans, but after the MAP, no sensor is safe from me, i see it I clean It.

11th Jul 2017 1:38pm

Frans@Yamorna

Member Since: 15 Apr 2017
Location: Tzaneen
Posts: 145

Agree,will clean that sensor this weekend 2012 TDV8 Vogue SE 4.4

11th Jul 2017 2:43pm

DrRob

Member Since: 16 Apr 2015
Location: Petersfield, Hampshire
Posts: 4303

2011 Range Rover Vogue SE TDV8 Buckingham Blue

Am I right in assuming the following....
The MAP sits on top of the inlet manifold and can be easily removed and cleaned?
The MAF sits inside the intake pipe and takes a bit more work to access?
This thread discusses both so I just wanted to check
Thanks in andvance
Rob Gone to a good home: 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
2025MY Defender D350 90 in Silicon Silver on coils
1974 Series 3 Lightweight = "Millie"
Many, many other Landies over the years
My preferred specialist: www.glenrands.co.uk
--------------------------------------------------

30th Sep 2018 8:13am

rjff

Member Since: 28 Oct 2017
Location: Cambridgeshire
Posts: 1196

2011 Range Rover Vogue TDV8 Santorini Black

Rob

You are correct in this. I have just replaced the four hoses and cleaned up the plenum and sensors. Filthy job. I did not take the MAF from the intake duct, as it looks as if it may be stuck in there. Rather cleaned with electrical cleaner. If you are only cleaning sensors the intake comes off fairly easily with a little care. Cheers
Richard

(there are no such things as an ordinary FullFat, an ordinary cat or too many tools)
2011 TDV8 Vogue Santorini Black
Gap IIDBT

30th Sep 2018 8:59am

DrRob

Member Since: 16 Apr 2015
Location: Petersfield, Hampshire
Posts: 4303

Is there an idiots guide on here for removing intake and MAF cleaning?
Can only see MAP cleaning
Going to clean MAP later Gone to a good home: 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
2025MY Defender D350 90 in Silicon Silver on coils
1974 Series 3 Lightweight = "Millie"
Many, many other Landies over the years
My preferred specialist: www.glenrands.co.uk
--------------------------------------------------

30th Sep 2018 11:38am

rjff

Member Since: 28 Oct 2017
Location: Cambridgeshire
Posts: 1196

Edited as may be an incorrect sensor ID please see Wiki under

tdv8 4.4 MAP & charge air temp sensors (MY11) cleaning process

Hope this helps

Remove the cover from the engine top.

In photo

remove hose clips 1 &2 and hose being particularly careful to avoid moving or damaging 3 & 3a

remove hose clip 4 and slide hose off

remove MAF connector 5, press at rear to release clip and remove, again with care.

clip 6 needs to be released by moving ends apart and easing out of grooves.

carefully ease away the plastic section containing the MAF

Clean and replace in the reverse order. Electrical contact cleaner did the job for me. The MAF is most likely a fragile device, treat with respect.

As a precaution, inspect the joint 3a for any signs of leakage of coolant, visible with a pink tinge. Replace the section. It appears to be only available as an £80+ part, although there is a repair, done I think be nino-nino.
Break the connector 3 and you're in for a bill of £40+ unless you can source a correct sized connector from the interwebs thingy. Cheers
Richard

(there are no such things as an ordinary FullFat, an ordinary cat or too many tools)
2011 TDV8 Vogue Santorini Black
Gap IIDBT

Last edited by rjff on 3rd Oct 2018 6:57am. Edited 1 time in total

30th Sep 2018 4:04pm

DrRob

Member Since: 16 Apr 2015
Location: Petersfield, Hampshire
Posts: 4303

Excellent! Thanks Richard
Love this forum Gone to a good home: 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
2025MY Defender D350 90 in Silicon Silver on coils
1974 Series 3 Lightweight = "Millie"
Many, many other Landies over the years
My preferred specialist: www.glenrands.co.uk
--------------------------------------------------

30th Sep 2018 6:28pm

GGDR

Member Since: 26 Nov 2016
Location: London
Posts: 3545

2011 Range Rover Vogue SE TDV8 Stornoway Grey

Looks like a Wiki right there!

Great work rjff!
. Cheers, Greg
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2011 Vogue SE 4.4 with lots of toys in Stornaway

30th Sep 2018 6:46pm

stan
Site Moderator

Member Since: 13 Jul 2010
Location: a moderate moderated moderator moderating moderately in moderation
Posts: 35328

tis in the wiki, thanks rjff

30th Sep 2018 7:48pm

DrRob

Member Since: 16 Apr 2015
Location: Petersfield, Hampshire
Posts: 4303

Nice one Gone to a good home: 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
2025MY Defender D350 90 in Silicon Silver on coils
1974 Series 3 Lightweight = "Millie"
Many, many other Landies over the years
My preferred specialist: www.glenrands.co.uk
--------------------------------------------------

30th Sep 2018 8:17pm

rjff

Member Since: 28 Oct 2017
Location: Cambridgeshire
Posts: 1196

Rob you are welcome and I hope it helps.

gonna_go and Stan, thank you for suggesting and making this a Wiki. Cheers
Richard

(there are no such things as an ordinary FullFat, an ordinary cat or too many tools)
2011 TDV8 Vogue Santorini Black
Gap IIDBT

30th Sep 2018 8:32pm

DrRob

Member Since: 16 Apr 2015
Location: Petersfield, Hampshire
Posts: 4303

stan wrote:
tis in the wiki, thanks rjff

Thanks Stan

Gone to a good home: 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
2025MY Defender D350 90 in Silicon Silver on coils
1974 Series 3 Lightweight = "Millie"
Many, many other Landies over the years
My preferred specialist: www.glenrands.co.uk
--------------------------------------------------

30th Sep 2018 8:53pm

GraemeS

Member Since: 06 Mar 2015
Location: Wagga area
Posts: 2485

2012 Range Rover Autobiography TDV8 Bournville

Hey guys, the MAFs are at the air-boxes!

30th Sep 2018 9:22pm

rjff

Member Since: 28 Oct 2017
Location: Cambridgeshire
Posts: 1196

Hi Graeme

We've been looking at what we believe is the MAF in the outlet from the intercooler to the inlet plenum for the engine. It may well be only one of a series of sensors in the air flow monitoring and those in the air boxes may be measuring the difference in inlet flows between the first and second turbos, thus allowing the software to do its magic in calculating for fuelling etc..

Can you let us know what the parts name/sensor/number is and does and if it becomes contaminated in the same way as the one we are discussing? Taking them out for cleaning should not be a difficult job as they sit on top of the air filter boxes, rather in the way of the MAP in the plenum "donut" Cheers
Richard

(there are no such things as an ordinary FullFat, an ordinary cat or too many tools)
2011 TDV8 Vogue Santorini Black
Gap IIDBT

30th Sep 2018 10:14pm

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