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DISCO3.CO.UK > Faults & Fixes (D3)

[Mechanical] Loss of power in TDV6

Page 6 of 6

Biffysun

Member Since: 09 Jul 2011
Location: Central
Posts: 1790

2016 Discovery 4 3.0 SDV6 SE Tech Auto Corris Grey

If its a 2005 you can just blank the EGRs off as they may not be working, no downside but with the forthcoming change in MoT regs leave the pipework in place so it 'looks' like they are still in use, getting the codes read would indicate if they are at fault

12th Feb 2018 10:03 pm

robinforster@talktalk.net

Member Since: 07 Apr 2018
Location: Carlisle
Posts: 1

2007 Discovery 3 TDV6 Commercial Manual Siberian Silver

2007 disco 3 very low on power on start up but only sometimes,other times works fine.engine management light on occasionally. Driving at approx 60mph in 3rd gear for a few seconds never fails to fix problem. Diagnostics show no faults. Anyone had similar problem?

7th Apr 2018 9:10 am

Glenn of Belgium

Member Since: 29 Jul 2013
Location: Zeebrugge
Posts: 108

2007 Discovery 3 TDV6 SE Manual Siberian Silver

Loss of power

MY 2007 manual transmission:

-First no faults now amber light, needs to be readed at shop for codes...
-No smoke or nothing abnormal
-Power loss at some times; pressing the trotthle at metal does'nt give any more reaction on revs...! it's a bit to compare with TR programm grass gravel snow...
-Fitted a new MAP sensor
-Cleaned MAF sensor (how to test this one?)
-Cleaned conectors of erg/sensors of fuel temp/temp sensor manifold...
-cheked the turbo actuator (is working and not stucking)

to do:
-at the end of this month wil blank the EGR's and map then out of the software in closed position also

ANY ideas what causes this lack of power some times??? I should think that a problem with Turbo would give some revs up and much smoke, wich i don't have...

Help please

10th Jan 2019 10:57 am

Cowan

Member Since: 28 Aug 2020
Location: Newcastle upon tyne
Posts: 2

2008 Discovery 3 TDV6 Base 7 Seat Manual Unknown Colour

Turbo not kicking in

Hi just wondering if anyone can shed a bit light on a problem I have on a 2008 d3 2.7 manual the turbo isn't coming in at all when started so no boost but can feel air in the pipe if taken off and hold my hand there I can move the actuator and and when you start it you can feel it work eg rod moves with electronics but no turbo kicking in had no warnings on the dash and another thing ive noticed the throttle flap isnt moving not stuck but just doesnt do anything can anyone point me in the right direction before it goes to the garage any help will be appreciated thanks in advance

28th Aug 2020 12:37 am

PROFSR G

Member Since: 06 Mar 2017
Location: Lost
Posts: 5036

2009 Discovery 3 TDV6 Commercial XS Auto Stornoway Grey

Have you had the diagnostic codes read?

The throttle flap doesn't operate in the same way as a petrol engine and has more to do with the EGR system. Check you MAP sensor is not blocked, and if it is just use brake or carburettor cleaner and don't poke anything into it.

Beyond that it could be many other possibilities but it's just guesswork without diagnostics. If you can get the codes read with a decent diagnostic tool it will provide further direction if the above doesn't help.

yµ (idµ - eAµ) ψ=mψ

28th Aug 2020 1:03 am

Cowan

Member Since: 28 Aug 2020
Location: Newcastle upon tyne
Posts: 2

It didn't show an eml or anything on display I checked it with a Bluetooth reader and nothing came up I unplugged the maf sensor while running and showed the eml light and says the maf but nothing else where is the sensor I need to clean thanks

28th Aug 2020 2:38 am

PROFSR G

Member Since: 06 Mar 2017
Location: Lost
Posts: 5036

It sits in the "Y" branch air inlet section behind the plenum chamber which enters the inlet manifolds.
Have a look at this thread for pics of same just in front of the oil filter. (not the red plug, it's the one in front of that again in black!)
https://www.disco3.co.uk/forum/go-clean-ma...ap+sensor.

You need decent diagnostics for these vehicles, but see how you get on.

yµ (idµ - eAµ) ψ=mψ

28th Aug 2020 2:59 am

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