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JSG



Member Since: 12 Jul 2007
Location: Berkshire
Posts: 2412

United Kingdom 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
Looks a bit tacky, not my cup of tea.

What's that sying about a fool and their money .... Laughing John

http://www.hampshire4x4response.co.uk

2011 Tdci 110 CSW XS
Post #179113 26th Oct 2012 8:18am
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wslr



Member Since: 18 Jul 2010
Location: Wellington, Somerset
Posts: 581

United Kingdom 
The modified MAF has a longer scale to it, so whereas the standard one will run off the scale at around 630, the modified one will continue relaying accurate air flow data back to the engine ECU beyond this point.

On the standard MAF, when the airflow goes beyond the scale, it feels like you have hit a speed limiter and the engine misfires. I'm sure it will go beyond 90. I've never been in it when it had gone anywhere close to it.

Not my thing either, but each to their own. He used to own a nice 90 XS which was tasteful enough, but this ended up on its roof on the A303 near Mere.
Post #179128 26th Oct 2012 9:20am
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party monkey



Member Since: 31 Dec 2010
Location: Oxon.
Posts: 1311

England 2005 Defender 110 Td5 XS CSW Cairns Blue
me@td5 / wslr - thanks chaps.... every day is a school day Thumbs Up Jon - 110 td5 [sold]. Currently Defenderless.
Post #179135 26th Oct 2012 9:51am
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me@td5.org



Member Since: 16 Jan 2011
Location: Warwick
Posts: 856

2000 Defender 90 Td5 HT Epsom Green
I'd love to collate as much detail on the MAF as possible because it's the single most frustrating item I know of for TD5 owners. Whether modified or not the reliability is rubbish.

On modified vehicles there are a few different ways to address the issue of one running beyond it's scale.

1. Bypass it by
a. Drilling holes in the airpipe downstream
b. piping air from the airbox to downstream of the sensor

2. Modifying the MAF so that ratio of air flow to output frequency is changed which can be achieved:
a. Mechanically (by increasing the internal diameter)
b. Electrically (by modifying the sensor itself)

3. By limiting to output to the maximum the ECU will recognise like you do with a boost box, the only product I know that does this is this from IRB (and it works very well)

http://www.irbdevelopments.com/adjustable_box.html

What I would really like to see is an aftermarket MAF that would be a plug in replacement for the VDO one with built in adjustability and a direct mechanical fit to the airbox. SOmething that would be priced at a similar point to a genuine VDO one, be more durable so benefiting the standard TD5 owner but less restrictive and with a better range than the standard unit..

Only this takes time and money and that is now all focused on the new emerging Puma modification market understandably.
Post #179205 26th Oct 2012 4:27pm
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wslr



Member Since: 18 Jul 2010
Location: Wellington, Somerset
Posts: 581

United Kingdom 
It will only run beyond its scale if the engine has been remapped. Under normal conditions with a standard MAF, there isn't an issue. In fact it is not always an issue with mapped ones.

Also, Alive sell the modified one for around the same price as a Genuine Part MAF.
Post #179209 26th Oct 2012 4:32pm
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me@td5.org



Member Since: 16 Jan 2011
Location: Warwick
Posts: 856

2000 Defender 90 Td5 HT Epsom Green
But that's only half the MAF problem. Either degradation over time or oil contamination seem to be the most common failure modes which I'd also like to be fixed in my fictional UberMAF
Post #179696 28th Oct 2012 10:07am
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RRUK
Site Supporter


Member Since: 31 Mar 2010
Location: Leicestershire
Posts: 2025

United Kingdom 
Can't stand chequer plate inside, its so stark and makes the car seem 'uncomfortable'. 2016 D4 HSE

1998 110 TUM HS FFR Hard Top XD WOLF

1982 Series 3 SWB Petrol
Post #179699 28th Oct 2012 10:12am
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 10383

United Kingdom 
All my MAF system issues were solved with a Green air filter and a Genuine Parts MAF. Job done.
Post #179700 28th Oct 2012 10:12am
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T1G UP



Member Since: 08 Dec 2009
Location: Bath
Posts: 3101

England 2011 Defender 110 Puma 2.4 XS CSW Orkney Grey
i saw this one in Bath a while back. nice truck.

BUT why spent 25k to sell for 19K?

for me its missing the auto box, lockers galv chassis etc
Post #179705 28th Oct 2012 10:17am
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wslr



Member Since: 18 Jul 2010
Location: Wellington, Somerset
Posts: 581

United Kingdom 
Too much chequer plate, but as you know, the reason for fitting this stuff is generally to help hide things which shouldn't be there. It was practical for him because one of his lines was a tree surgeon.

It does/did have an ARB rear and front air locker. It had a problem when it was in last time where diff oil was being forced up the hose to the compressor. I got a kit from Pete at FirstFour to sort that out.

You'd have seen it around Bristol/Bath, probably near a Burger King. Rolling Eyes

Considering what the vehicle has been made to do in it's life, it is doing well. The engine, gearbox, transfer box and diffs have not had any issues, but then it has full servicing each time it was in. He is the sort of guy who hammers it around Salisbury Plain, breaks it, and leaves it with us for a few weeks (with instructions to add accessories) to fix/valet before collecting it.

Unfortunately, when it was built, it had a rear section modified on the rear of the vehicle which was untidy. It has a Warn 8274 on the rear which obviously means that the rear 90 Td5 tank is moved to a Tdi position under the driver side. Even the fuel set up here was a joke and that had to be sorted out properly. The electrics were dangerous and when we fitted the load guard, the lower section was used to mount the locker pump, ECU, fuse boxes, wireless winch control etc. It works well now.

It's not bad. It is certainly a lot safer and runs better than when he purchased it (for 24k Shocked ).

I'm a bit of a purist, so this doesn't appeal to me either.
Post #179830 28th Oct 2012 6:30pm
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 10383

United Kingdom 
I'm sure that this used to be Brittles, had it built by D4x4, cost him £60k, he's the guy who now builds these.....
http://www.brittle.co.uk/listing/defender-...on-2012my/
Post #179841 28th Oct 2012 6:51pm
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 10383

United Kingdom 
Post #179842 28th Oct 2012 6:55pm
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wslr



Member Since: 18 Jul 2010
Location: Wellington, Somerset
Posts: 581

United Kingdom 
Ah, Greeni - You are probably right as I know it was a D4x4 build. That makes perfect sense. Thumbs Up

60k though Shocked
Post #179896 28th Oct 2012 8:50pm
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 10383

United Kingdom 
He has a sew quid Thumbs Up Owns a super car hire firm and loads of other stuff. He's not a bad egg.
Post #179907 28th Oct 2012 9:16pm
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