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Namlandy

Member Since: 29 Jun 2011
Location: Walvis Bay
Posts: 3

2010 Defender 110 Puma 2.4 PU Alpine White

Lack off power from pullaway

I know there is some post out there about this but strugle to find it. I had a trip and lost power, could only change down and get revs up above 2000 rpm in 5th gear to go at 110kmh. When I get back after 700km I read a post on a 4 x 4 forum about the heat and bigger intercooler. Is that the way to go?
Also have low power when pulling away, when revs is up it pul like a tain. I did check thhe actuator on turbo, the variable vans is loose. I took off the actuator and open it to see if worm geare is ok, also 100%.
Where can I start looking next

29th Apr 2019 8:55pm

Tdi4

Member Since: 24 Oct 2014
Location: Houten
Posts: 513

2008 Defender 110 Puma 2.4 CSW Stornoway Grey

first step is to check of any dtc codes are stored. a defender from 1984 pretending to be a puma with a touch of Range Rover

29th Apr 2019 9:11pm

Namlandy

Member Since: 29 Jun 2011
Location: Walvis Bay
Posts: 3

I have 2 fault codes, P0404, normal EGR control circuit, I block egr that is why that come uo, but thats been there always before I start with power at low rpm problem.
P1103 Mass air flow sensor in ranve but higher than expected, think this is I installed biger intercooler. Also problem before this installation, done this with the hope problem will disapear.
This is 2010 Puma 2,4.
Just want to make sure where actuator arm must be when engine is in off posision.When engine run I took off lever from actuater and move it up and down, so vanes in turbo is loose and work fine, just not sure how to test the actuater, or how to set it..

30th Apr 2019 9:32am

Tdi4

Member Since: 24 Oct 2014
Location: Houten
Posts: 513

Unfortunately the actuator arm is just 1 of many many problems which can cause this problem.

Step 2 is driving with the nanocom (Or something similar) to check the temp. Preferably on a warm day under load. Check if you see any spikes in temp.

And clear the dtc codes so you can see if anything comes up.

Do you have aircon? I think you have because the non aircon Pumas didn’t have any of this problems. I asked Just to be sure.

I had the same problems and solved by changing the temp Valve to a hot Climate one, added the naka bolt to move the fan and changed the radiator to a bigger one. a defender from 1984 pretending to be a puma with a touch of Range Rover

30th Apr 2019 9:55am

Namlandy

Member Since: 29 Jun 2011
Location: Walvis Bay
Posts: 3

I will drive it with hawkeye unit this weekend to see reedings. Actuator is moving up and down, so that must be working. Power at more than 2000rpm is good, respons allso good, just at bottom its slow.
Thanks for reply.

30th Apr 2019 8:42pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20376

Check the turbo wiring and it wouldn’t go amis to probably clean the MAF and MAP sensors too.
If they aren’t too bad it would do any harm to check and clean anyway. $W33T $0U7H3RN $UG4R
🇬🇧🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿🇮🇪🇺🇸⛽️🛢️⚙️🧰💪

30th Apr 2019 8:45pm

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