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Welshsurferdude

Member Since: 23 Feb 2012
Location: Newport
Posts: 2393

Defender TD5 Heisitating and loss of power

Hi

I have a Defender 110 TD5 2002 with 160k and a BAS Remap and full width intercooler.

Symptoms are that when I start it sometimes, it seems to be hesitating and down on power for a little while until it suddenly wakes up and goes like it should.

Today I drove it for the first time in a while and while on the way to ride my MTB at Cwmcarn, I decided to give it the full beans on the bypass and it went ok up to 70mph then suddenly Land rover said NO and cut power then and engine light came on.

Pulled over and restarted it, engine light was off, and carried on, loss of power wouldn't go over 50 until a mile later when it woke up and went back to normal!

So thoughts? 2008 Santorini Black 110 XS USW (Sold)

2015 Discovery 4.5 Black pack Firenze red XS

2008 Corris Grey 110 XS USW (sold)

2011 Santorini Black 110 XS USW (Sold)

11th May 2014 9:42pm

roel

Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039

The last issue sounds like a too much turbo pressure problem and going into limp mode or an too much airflow through the MAf sensor. But this doesn't explain you 'normal' problems.

So I would check:

Oil in the loom.
Maf sensor.

But probably it is computer time.

Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)

12th May 2014 7:01am

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5662

2006 Defender 110 Td5 USW Zermatt Silver

Had this before. Was first time MAF failure. Gary @ alive does uprated ones that are the only ones that lasted on mine.

Andy

12th May 2014 7:25am

Fatboy Slim

Member Since: 04 Feb 2008
Location: Bridgend
Posts: 1006

99.9% knackered airflow meter, you're not far from me, let me know if you're having major probs and I'll stick the computermabobin on it for you

12th May 2014 9:14pm

Ellis01

Member Since: 16 Nov 2012
Location: Durham
Posts: 14

Does sound like MAF. Readings should show if it is. VDO/OE MAF should do it, some companies sell as uprated

14th May 2014 6:48pm

Welshsurferdude

Member Since: 23 Feb 2012
Location: Newport
Posts: 2393

Hi

My ECU plug has never worked so can't plug the thing in lol

will order airflow meter and MAF 2008 Santorini Black 110 XS USW (Sold)

2015 Discovery 4.5 Black pack Firenze red XS

2008 Corris Grey 110 XS USW (sold)

2011 Santorini Black 110 XS USW (Sold)

17th May 2014 7:06pm

ozzy57

Member Since: 14 Feb 2014
Location: Farnborough
Posts: 221

I just had the same with mine, all the symptoms were leaning towards the MAF sensor, but the functioning part of my brain wasn't convinced. Slip a blanking plate in to block the EGR. This will give you an indication if it's MAF or EGR related.
It's cheap too! It wasn't me!

18th May 2014 8:56am

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