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DISCO3.CO.UK > Maintenance & Mods (D3)

Sluggish under 2500 Revs

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Highland Ladide

Member Since: 29 Jun 2014
Location: Dunbartonshire
Posts: 59

Sluggish under 2500 Revs

Morning Folks.

Heading home from work last night i noticed Disco was very sluggish, but only under 2500 revs, was needing fuel so added a additive when fuelling up, then took for a 10 mile thrashing. Took Disco out thismorn again and still the same issue. Anyone any ideas.

Cheers

23rd Sep 2018 8:51 am

DSL
Keeper of the wheelie bin

Member Since: 11 May 2006
Location: Off again! :-)
Posts: 73100

Split intercooler hose would be my non techie WAG.

23rd Sep 2018 9:00 am

SteveNorman

Member Since: 14 Oct 2005
Location: Somerset
Posts: 1146

Probably an EGR valve sticking open. This causes poor throttle up to 2500 rpm but the air quantity overcomes this over that rev.

Regards
Steve

23rd Sep 2018 9:02 am

Disco_Mikey

Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20844

2005 Discovery 3 TDV6 HSE Auto Cairns Blue

EGRs

My D3 Build Thread

TDV8 Retrofit Build Thread

23rd Sep 2018 9:05 am

DSL
Keeper of the wheelie bin

Member Since: 11 May 2006
Location: Off again! :-)
Posts: 73100

Well mine was a WAG.

23rd Sep 2018 9:30 am

Highland Ladide

Member Since: 29 Jun 2014
Location: Dunbartonshire
Posts: 59

Thanks Guys. For the info, had bothe EGRs replaced last year, but not LR parts, is there any way of a possible fix without removing EGRs again??

Thanks again for all your help

Kenny

24th Sep 2018 6:30 pm

Pete K

Member Since: 15 Jan 2016
Location: GL
Posts: 10696

2005 Discovery 3 TDV6 HSE Auto Rimini Red

what year is your car

you can get blanking plates on ebay, which you could just fit if your car is 2004-2006 ish

later cars require a software patch

would rule the problem in or out if nothing else

24th Sep 2018 6:44 pm

Highland Ladide

Member Since: 29 Jun 2014
Location: Dunbartonshire
Posts: 59

Thanks Pete.

I done that to my old disco 2 this one is a 07 plate, I have had a look at the blanking plates I think this might be the way to go.

Cheers Kenny

25th Sep 2018 5:06 am

Pete K

Member Since: 15 Jan 2016
Location: GL
Posts: 10696

Probably want the discrete blank plates which keep the pipes inplace
now the MOT testers are starting to look

patch will be at least £100 ish

25th Sep 2018 11:15 am

bensla

Member Since: 02 May 2023
Location: Trowbridge
Posts: 141

2008 Discovery 3 TDV6 HSE Auto Stornoway Grey

Do you not get a check engine light with EGR sticking open then? I seem to have sluggishness at about 1800 revs, throttle input doesn't result in acceleration.

25th Aug 2023 9:57 pm

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