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sjc501



Member Since: 05 Feb 2018
Location: Glasgow
Posts: 148
United Kingdom 
Maf sensor problem
Hi I have a fault code showing MAF sensor problem which causes car to go into limp mode ie 30 mph . I tried changing and getting fault removed but EM light comes back and it does the same . Any suggestions what else it could be . Thanks .Defender has an upgraded intercooler and remap .
Post #780316 5th Jul 2019 7:06pm
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Marks Landy



Member Since: 09 Feb 2015
Location: Cheshire
Posts: 296
United Kingdom 1985 Defender 90 200 Tdi SW Java Black
Maybe give the MAF sensor a good clean.
Clear the fault code then they again.
Post #780319 5th Jul 2019 7:22pm
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sjc501



Member Since: 05 Feb 2018
Location: Glasgow
Posts: 148
United Kingdom 
Thanks for reply . I tried that cleaned sensor reset code and it came back on as soon as I drove about 500 yards. I then got a new one fitted today and the same happened. Defender has had a remap from JE Engineering with intercooler etc . Not sure if thats relevant .
Post #780322 5th Jul 2019 7:31pm
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Eduardo



Member Since: 28 Aug 2008
Location: Región Metropolitana
Posts: 2109
Chile 2007 Defender 110 Puma 2.4 SW Stornoway Grey
Did you check the wiring and connectors? Eduardo

MY 2007 110 SW PUMA 2.4: Big Fog of 64'
MY 1994 Jayco 1207 Folding camper: "El Tremendo"

Click image to enlarge
Post #780324 5th Jul 2019 7:45pm
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Phil VM2.5



Member Since: 28 Mar 2012
Location: Limelette
Posts: 196
Belgium 2012 Defender 110 Puma 2.2 SW Keswick Green
Hi,
If it is a td4, could be a leak in airtubing from turbo to engine,
I did have it already 2 times.
I did change the maf sensor first time before understand that the error was not the sensor but the airflow not right .
Not easy to find where and depends where, not easy to change
Phil current : defender 110 sw 2.2 puma 2012 and 230.000km today and
again my Range Rover VM2.5 engine from 1992 and 528.000km today.

One ten 1988 to 1992
1987 BMW GS80
One Ten from 1984 to 1987
One Ten from 1983 to 1984
Serie 3 109 from 1980 to 1983
from 1974 Jeep CJ3B and CJ6
Post #780479 7th Jul 2019 12:25pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19578
United Kingdom 
Check the hose nearest the steering column that it hasn't rubbed and punctured.
That is a known failiure point.

Just a possibity Diesel$ Live$ Matter. ⛽️🛢️👨‍🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧
Post #780490 7th Jul 2019 1:51pm
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Bogblaster



Member Since: 04 Jun 2007
Location: Glawstershire
Posts: 119
United Kingdom 2016 Defender 90 Puma 2.2 Adventure Corris Grey
Most likely a split intercooler, JE did my tune in 2017, had one changed after 12 months so about 11 months ago and yesterday with no trailer on I got the dreaded loss of power and a sort of bang, reset DTC seems to be OK but I fear the worst. I have already put on silicone hoses. 2019 MY Disco 5 HSE Lux
Audi A4 Avant 3.0L TDI Quattro - WOW
2016 90 Adventure
Post #780531 7th Jul 2019 6:29pm
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