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NickH

Member Since: 01 Nov 2014
Location: Halifax
Posts: 204

Strange behaviour from my engine *FIXED*

I have noticed that I get strange behaviour from my engine, It runs sweet.... read "normal" most of the time, but when I go a few miles from home and stop at the shop (for fags and LR/Tractor mags) when I resume my journey it goes like s**t off a shiny shovel

. This happens everytime from cold, drive a few miles, stop for 2 mins, off like stink.
My routine has changed thats why I am noticing it now, never used to stop before.

Things like this worry me as I am waiting for something to break !

I have done all the stuff we know about like injector loom etc a few months ago. engine is sound.

Any ideas much appreciated

2003 Td5 90
2013 sport hse
2012 700 raptor quad
2012 siromer 4x4 tractor

Last edited by NickH on 8th Dec 2014 6:20pm. Edited 1 time in total

6th Dec 2014 11:13pm

munch90

Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

do you leave it running when you stop or switch off ?

7th Dec 2014 9:55am

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5806

2006 Defender 110 Td5 USW Zermatt Silver

If it's a Td5, it's your MAF sensor that is knackered.

Andy

7th Dec 2014 1:23pm

NickH

Member Since: 01 Nov 2014
Location: Halifax
Posts: 204

Hi

@ munch, no I switch it off.

@ landy andy, yeah I did wonder, I just thought there would be a greater drop in performance. If I disconnect it and run it am I right in thinking performance will be better because the ecu will use default values rather than relying on a knackered maf ?

Thanks 2003 Td5 90
2013 sport hse
2012 700 raptor quad
2012 siromer 4x4 tractor

7th Dec 2014 3:52pm

Paddie42

Member Since: 24 Apr 2014
Location: Hamphire
Posts: 230

Yes,if you disconnect the MAF the ECU will use same default setting. Be careful to tuck the connection out of the of the exhaust or turbo as it gets hot.

Mine did the same. Disconnected the MAF sensor and couldn't believe the difference. A new sensor made it even better.

7th Dec 2014 7:16pm

NickH

Member Since: 01 Nov 2014
Location: Halifax
Posts: 204

Thanks guys

I will disconnect it tomorrow , if all goes well I will buy a seimens vdo/genuine maf and be done with it

2003 Td5 90
2013 sport hse
2012 700 raptor quad
2012 siromer 4x4 tractor

7th Dec 2014 9:44pm

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5806

Alive do uprated ones, and cheaper than main dealer

, if you do want main dealer though, talk to Dan at Duckworth's.

Andy

7th Dec 2014 10:07pm

NickH

Member Since: 01 Nov 2014
Location: Halifax
Posts: 204

Cheers men

Disconnected maf today, went better so I got a genuine/vdo seimens one for £64.
Loads better now

The one I took off was a cheapo with no name so I guess thats why it went bad.

Thanks again

2003 Td5 90
2013 sport hse
2012 700 raptor quad
2012 siromer 4x4 tractor

8th Dec 2014 6:20pm

Venomator

Member Since: 25 Aug 2014
Location: Peterborough
Posts: 2087

^ ^ ^

Good news Nick, glad you've sorted it...

And relatively simply and easily too...

Rog...

The GREEN One...

MY2016 Urban Truck Build Thread - http://www.defender2.net/forum/topic40548....al[/color]

8th Dec 2014 6:32pm

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5806

Isn't it nice when it's simple, and relatively cheap.

Andy

8th Dec 2014 7:02pm

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