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AlanH



Member Since: 15 Mar 2010
Location: WA
Posts: 242
Australia 
Jerking when cold
I'm getting a horrible jerking when lifting the right foot when the engine is cold (Oz style cold about 14C) which disappears after a few kay.
I've checked it on the Nanocom and no faults are registered.
I've cleaned the MAF sensor and also for the first time the sensor on the inlet side. This was thick with oily deposits and I used neat alcohol (not the stuff I drink) and a cotton bud to clean it.
Problem not solved but it could have only done good for whatever it's purpose by cleaning it anyway.
Any ideas on what this can be caused by?
Thnx in anticipation.
AlanH.
Post #356226 7th Sep 2014 9:25am
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Portafilter



Member Since: 08 Aug 2010
Location: Melbourne
Posts: 27
Australia 
if its a puma mine was caused by a faulty temperature sensor, cylinder head i think it was, not coolant.
Post #356235 7th Sep 2014 10:20am
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AlanH



Member Since: 15 Mar 2010
Location: WA
Posts: 242
Australia 
Thnx Porta
Yes it's a 2010 Puma 110. Where abouts is this sensor?
AlanH.
Post #356447 8th Sep 2014 7:48am
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Portafilter



Member Since: 08 Aug 2010
Location: Melbourne
Posts: 27
Australia 
got it done at local garage, but pretty sure its top rear of cylinder head. they also loaded up new engine management software and ran heaps better. all up a couple of hundred bucks.
Post #356474 8th Sep 2014 12:17pm
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schuee



Member Since: 16 Jul 2012
Location: Lincolnshire
Posts: 378
United Kingdom 2011 Defender 110 Puma 2.4 USW Orkney Grey
^

I had erratic drive when cold and my dealer updated the ECU software and now is running fine Very Happy
Post #356495 8th Sep 2014 2:45pm
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Interlet



Member Since: 10 Oct 2011
Location: Norwich
Posts: 461
United Kingdom 1998 Defender 110 300 Tdi HT Alpine White
If you don't like jerking when cold, only do it when it's warm... Rolling with laughter Rolling Eyes 1998 110 300Tdi White Hard Top
Post #356600 8th Sep 2014 8:54pm
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AlanH



Member Since: 15 Mar 2010
Location: WA
Posts: 242
Australia 
Very droll......
My normal solution is to ignore it as it goes after a while but I'll see if the stealer can do it as the good mechanic we did have nearby is now too busy making money in the mines to bother with us.
Cheers.
AlanH.
Post #356650 8th Sep 2014 11:03pm
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