 | Home > Puma (Tdci) > OMG MAF cleaned and WOW |
 
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| tookaphotoof Member Since: 18 Mar 2013 Location: dordrecht Posts: 1279   
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Never thought of it but took the maf out and cleaned it with contact spray. Didn't expect anything as I didn't even had an error code. Unexpected results. Happy man!
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7th Oct 2019 1:44pm |
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| ChrisCSL Member Since: 10 Aug 2019 Location: Berks Posts: 186  
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Thanks Minch and Everyone,
Did mine today, no problems (after I found the MAP sensor). No prior fault codes or really dirty sensors found as far as I could see. My MAP sensor looked a bit different from yours. The cone bit didn't have gaps in the side. Mines a late model 2.2. Anyway, truck started ok afterwards but not driven yet to see if I can notice any difference. I do think the tick over idle is slightly lower than before though which is a good sign. I did notice my Urban (ITG) performance air filter looked a bit dirty with a very small bit of debris. I'll wash it, dry overnight and re-oil when I get a chance. Love this forum. I've learnt so much in a short amount of time as a defender newbie. 
Cheers Chris |
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11th Oct 2019 5:11pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324
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I think the later sensor is better protected but oiled filters such as the IGT really are the enemy of these things. Better to stick with the standard paper element, which has been proved to be more efficient anyway. Darren
110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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11th Oct 2019 7:41pm |
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| MC84 Member Since: 22 May 2016 Location: Near Bristol Posts: 358 
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Forgive my ignorance but would any of this apply to my TD5? Mike
Hard Top 90 TD5 2001 Ford 100e 1959 www.youtube.com/mikemakesit |
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12th Oct 2019 1:20am |
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| Joe the Plumber Member Since: 18 Dec 2013 Location: Midlands Posts: 907 
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Quite right. Pete from BAS tested serveral 'performance' filters against the standard one some time back (sadly the post's not on here any longer) and the most power came from the standard one. |
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12th Oct 2019 6:23am |
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| ChrisCSL Member Since: 10 Aug 2019 Location: Berks Posts: 186
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Thanks.
Understand the test that was done which I’m not disputing. Alive had better results on the dyno with ITG over paper with my remap, intercooler and exhaust set up. Cheers Chris |
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12th Oct 2019 6:36am |
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| Joe the Plumber Member Since: 18 Dec 2013 Location: Midlands Posts: 907
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That's fair enough Chris, thank you. It just goes to show there's often no definitive answers when it comes to tuning.
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12th Oct 2019 7:03am |
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| ChrisCSL Member Since: 10 Aug 2019 Location: Berks Posts: 186
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It’s a dark art 😉
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12th Oct 2019 10:08am |
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| chrisc2306 Member Since: 02 Jan 2020 Location: Glasgow Posts: 60  
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Has anyone gone as far as removing the intake manifold and hoses etc to clean them out. I just find it amazing how much gunk collects on the MAP sensor that I'm considering giving the whole system a clean
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14th Jan 2020 8:37pm |
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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2300  
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I asked the same question in the last post of the below thread but got no response
https://www.defender2.net/forum/topic68596-45.html I would also like to do this when time permits having seen seen some horror photos around the internet!  Click image to enlarge > 110 XS Double Cab Last edited by hank on 15th Jan 2020 7:18am. Edited 1 time in total |
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15th Jan 2020 7:15am |
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| hank Member Since: 12 Sep 2016 Location: South Wales Posts: 2300
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Back on topic, I cleaned my MAF over the Christmas period using Liqui Moly Air Flow Sensor Cleaner
Sensor was pretty dirty but in honesty I noticed no noticeable difference in performance https://www.amazon.co.uk/gp/product/B00295EEBK > 110 XS Double Cab |
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15th Jan 2020 7:18am |
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| Gloucesternige Member Since: 17 Jan 2020 Location: In the garage Posts: 114 
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Yes, I have.. in fact I've stripped the whole bloody engine!! The crap that was built up in mine was unbelievable, it must have been about 4mm thick all round the intake tube where the MAP goes and the plastic inlet manifold and inlet ports were nearly as bad. It's a combination of EGR crap, breather oil mist and oil from the Turbo. Oh yeah.. my 2011 had only covered 16000 miles, and a lot of that was long distance driving, so no pottering about with short journeys. Here's my inlet valves.. &t=196s Nige Check out my You Tube channel https://www.youtube.com/c/Defender90KeswickNigelsLandRoverchannel |
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17th Jan 2020 10:28pm |
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| X4SKP Member Since: 29 Nov 2013 Location: Berkshire Posts: 2295 
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I used the 10K Boost MAF Cleaner, prompted by seeing the P1103 Fault Code
Click image to enlarge Click image to enlarge Click image to enlarge The MAF Unit looked OK on inspection, but probably worth a regular clean at service time or at what would appear to be a 10K recommended 'boost' interval. I would only use a recommended cleaner on them as these units are expensive at around £140 + Vat (£168.00 Inc) from Land Rover, there are factored claimed equivalents on the market at around £70.00 Inc She ran well before and after cleaning the MAF, the Fault Code self clears after about 6 engine cycles, or via a Scangauge request... I get the P1103 Code maybe once a year. The 10K Boost was about £10 SKIP https://www.defender2.net/forum/topic83242.html |
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18th Jan 2020 4:22pm |
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| UtilityTruck Member Since: 09 Jan 2014 Location: Oxford Posts: 463
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I cleaned my MAF and MAP sensors last night. Neither were particularly dirty, in fact the MAF looked like it’d just come out of a box from LandRover, and that’s after 70k Miles! The MAP had a little black gunk evident.
After a short drive no effects were noticed, but I’ve just done 25miles and I think there is a subtle yet noticeable improvement. Best way to explain it is the engines response to throttle seems a little more linear, less hesitation as you roll off and then on to the throttle, possibly just a little more free and happy to rev at the top end too. As others have said, probably something to clean from time to time to keep the engine running well, but I won’t bother every service. 2014 Keswick Utility 2.2 |
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23rd Jan 2020 8:12am |
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