 | Home > Puma (Tdci) > MAF and MAP Sensor replacement. |
 
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20347  
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I have recently changed both my MAF (Mass Air Flow Sensor) and MAP (Manifold Absolute Pressure Sensor.)
To brand new, this was well worth doing in my case despite my originals being problem free and periodically cleaned. The following I thought I would share with others, and applies to the 2.4 Defender only. I have no connection at all with these suppliers, however, these are the ones I have used in the last two weeks. MAF Sensor P/N 6C11 12B579 AA Link to Genuine Ford Part: HERE. £36 All in cost. Approx LR Genuine price for comparison purposes £166.45 MAP Sensor P/N 0261230131 Link to Genuine Bosch part: HERE. eBay item no: eBay Item No. 163058042720 £27.99 All in cost. Approx LR Genuine price for comparison purposes £74.69 Approximate saving using these GUARANTEED OEM factory fitted parts £177.15! I have checked these parts for accuracy and actual part numbers many times. The MAF I am happy with as a Ford Genuine part as after all it is a Ford engine. It is very very likely this is a factory fitted Ford part. LR only re-box and re-brand with associated price tag for the same part. Ford Genuine parts are definitely of equal quality to LR in my opinion. This PN is an actual match. The MAP has a code and a Bosch PN and logo. This tells me this is a Bosch part for certain. Originally on my 2.4 the Bosch P/N was 0261230132 This has been replaced by Bosch PN 0261230131 The online catalog mentions this is the replacement. I am 100% certain the factory fit IS a Bosch part. I have had both fitted to my 2.4 all week now, and the original parts were 12 years old and never gave me a single issue in that time. I thought they could do with replacing by now even though fully operational. Both had been cleaned often, both cared for but thought I would replace anyway. Performance and smoothness has increased, idle seems smoother also. Power and responsiveness is certainly up. I also scored an almost brand new take off Genuine LR air filter off eBay too for wait for it £9 all in! About a £26 saving also. I thought I would share this as information possibly useful to others, I have planned this and looked into this for quite some time and finally got around to getting the parts bought and fitted. I am very pleased! And as you can see is a significant saving. If yours are as old as mine were or have never been cleaned I guarantee your drive will better and you will tell the difference. Finally the torque spec for the MAP fixing is 3NM. I think this was a also using a 7mm socket IIRC. and the MAF screws are IIRC a T25 Torx bit. (Don't over tighten.) It pays to clean the manifold inlet before installing the MAP, I used an alcohol wipe. Don't use anything metal or sharp. Again the same applies to the MAF gasket seat and vicinity. The MAP 'O' ring benefits from a little Silicone grease around it for a good seal before fitting. I also used some 3M (blue painters tape) 3434 tape, to cover the manifold opening in between changing and cleaning to protect against any ingress of any accidental debris. I was under a tree after all. You shouldn't need to remove the air box output hose at all when changing the MAF but when changing the air filter it can be easier. Be sure to release the red locking tab on the connector before removing (and re-lock it when re fitted.) and observe airflow direction arrow printed on the MAF. When I do the above, I fit a nitrile glove over the opening to again protect from ingress whilst working. I hope this may help others, if anyone feels inclined to do the same please feel free to report back and let us all know how you get on and if you find a difference from before and after. I'm very glad I did this, despite thinking there maybe little point it was worth it. And feels better than ever to drive too. $W33T $0U7H3RN $UG4R 🇬🇧🏴🏴🏴🇮🇪🇺🇸⛽️🛢️⚙️🧰💪 Last edited by custom90 on 30th Aug 2019 9:27pm. Edited 1 time in total |
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28th Aug 2019 11:19am |
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| wyvern Member Since: 13 Dec 2009 Location: Cornwall Posts: 2105 
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fab info !!
 Poppy - TDCI (Puma) 110XS 2.2 - Camper conversion - see the build here - https://www.defender2.net/forum/topic56530.html
Elgar -TDCI(Puma) 110XS Dormobile - now sold Devon & Cornwall 4x4 Response - DC126  |
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28th Aug 2019 11:37am |
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| MartinK Member Since: 02 Mar 2011 Location: Silverdale (Lancashire/Cumbria Border) Posts: 2665 
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Should be stickied
 Defender "Puma" 2.4 110 County Utility (possibly the last of the 2.4's) |
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28th Aug 2019 1:26pm |
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| JOW240725 Member Since: 04 May 2015 Location: Suffolk Posts: 7905 
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Great info Steve! You say for 2.4 only, so are the parts different for 2.2?
 James
MY2012 110 2.2TDCi XS SW Orkney Grey - http://www.defender2.net/forum/topic43410.html MY1990 110 200TDi SW beautifully faded Portofino Red - https://www.defender2.net/forum/post743641.html#743641 MY1984 90 V8 Slate Grey - https://www.defender2.net/forum/post744557.html#744557 Instagram @suffolk_rovers |
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29th Aug 2019 8:55am |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20347
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Yes, they are IIRC. They should be obtainable via similar methods and or suppliers in the same way for 2.2 Transits.
(Both sensors on a 2.2 should have P/N's printed on them if anything like the 2.4) On the MAP look for the Bosch logo and code. I found the Ford Genuine parts a bit of a pain to get hold of online, nothing more I hate than having to be ringing up and discussing. That dealership above seems to have a fair few parts of interest to us as Defender Puma owners. $W33T $0U7H3RN $UG4R 🇬🇧🏴🏴🏴🇮🇪🇺🇸⛽️🛢️⚙️🧰💪 |
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29th Aug 2019 11:07am |
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| discomog Member Since: 09 May 2015 Location: Notts/Lincs Border Posts: 2526 
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That's really useful information Steve, good job. It's worth us all bearing in mind that JLR are not manufacturers but assemblers and therefore all their parts are bought in from outside suppliers. Yes some of the parts may be exclusive to JLR and have the green oval logo on them but these parts are the exception rather than the rule and most components are available through other sources albeit it sometimes takes a bit of detective work. Defender 90XS SW
Mini Countryman Cooper S Morgan Plus 8 |
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29th Aug 2019 12:12pm |
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| Zed Member Since: 07 Oct 2017 Location: In the woods Posts: 3281 
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Good info. I have bookmarked for when the time comes.
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29th Aug 2019 1:13pm |
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| Eduardo Member Since: 28 Aug 2008 Location: Región Metropolitana Posts: 2110  
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Good to know!
Thanks Steve Eduardo MY 2007 110 SW PUMA 2.4: Big Fog of 64' MY 1994 Jayco 1207 Folding camper: "El Tremendo" Click image to enlarge |
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29th Aug 2019 2:05pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20347
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I’ve been out today. Pulling a load, drives lovely and pulls like a train like brand new. In fact better than new with the Shift R fitted additionally.  $W33T $0U7H3RN $UG4R
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29th Aug 2019 6:17pm |
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| ericvv Member Since: 02 Jun 2011 Location: Near the Jet d'Eau Posts: 5816  
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Steve,
The first link in your post for the MAF sensor doesn’t work for me. Can you copy and paste the entire address line for that MAF sensor on that website? Or eventually send it to me via PM? The other link to the MAP sensor works fine. Thanks, Eric You never actually own a Defender. You merely look after it for the next generation. http://youtu.be/yVRlSsJwD0o https://youtu.be/vmPr3oTHndg https://www.youtube.com/watch?v=_GtzTT9Pdl0 https://www.youtube.com/watch?v=ABqKPz28e6A https://www.youtube.com/watch?v=rLZ49Jce_n0 https://www.youtube.com/watch?v=XvAsz_ilQYU https://www.youtube.com/watch?v=K8tMHiX9lSw https://m.youtube.com/watch?v=dxwjPuHIV7I https://vimeo.com/201482507 https://www.youtube.com/watch?v=ZSixqL0iyHw |
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29th Aug 2019 6:58pm |
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| llessur Member Since: 15 Nov 2011 Location: Hereford Posts: 151
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Thank you - great saving
I changed one at a time with a quick drive in between. Not very scientific, but the MAP change was more noticeable (my old one was oily. I am wondering about taking the intercooler off and washing it out, as I know that it can accumulate oil, although when I changed the hoses a while back they did not seem oily inside. Engine has done 90K miles. |
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29th Aug 2019 7:01pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20347
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Eric - Try this:
https://catherinestreetmotors.co.uk/ford-t...a-new.html Interestingly my link on my first post didn't work for me either on iPhone. Not sure why but on iPad it does. If that doesn't work chose 2nd down link here: https://www.google.com/search?q=catherine+...p;ie=UTF-8 Hope that helps, they were very good. $W33T $0U7H3RN $UG4R
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29th Aug 2019 7:57pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6605 
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Stickied
 1988 90 Td5 NAS soft top
2015 D90 XS SW |
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2nd Sep 2019 12:09pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20347
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Thank you Martin.
$W33T $0U7H3RN $UG4R
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2nd Sep 2019 7:48pm |
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