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Rev counter not reading right or is it
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ljason286
 


Member Since: 11 Dec 2007
Location: Barham
Posts: 174

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4
Rev counter not reading right or is it

Been out in car last night and at low speeds and around 50 mph on and off cruise and I don't know whether this is the rev counter or the engine doing this
But the rev counter will not stay in one place on cruise at 50 the rev counter seats at 1600 then pops up to 1800 drop to 1500 its like it all the time up down up down but if you cruise at 70 on cruise 2000 rpm bang on no movement

Any ideas.
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Post #124145623rd Feb 2014 10:59 am
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anglefire
 


Member Since: 09 Mar 2010
Location: In the Club House
Posts: 4180

England 

Is it an Auto?

If so it could be the torque converter is not fully locked up?

If it is stable at 2000rpm, then it is probably nothing to worry about.
 Mark.
2006, D3 SE Auto - gone but not forgotten.
2014 BMW 530d M Sport Tourer.
1977 Triumph Spitfire 1500

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Post #124146223rd Feb 2014 11:09 am
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crwoody
 


Member Since: 09 Mar 2009
Location: Littleborough
Posts: 2109

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Sounds like the torque converter is not locking up properly at lower revs, you may benefit from a gearbox flush, or possibly a dose of Dr Tranny.

2000 RPM at 70 MPH is right so the rev counter will be reading correctly.
 Clive

 
 
Post #124146323rd Feb 2014 11:10 am
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10614

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Worth talking to Geoff. - who could if necessary do a gearbox flush for you, and is fairly local to you.

NJSS
 Am I Gammon or Woke ? - I neither know nor care.

2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #124146523rd Feb 2014 11:15 am
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ljason286
 


Member Since: 11 Dec 2007
Location: Barham
Posts: 174

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

Thanks how do I contact Geoff
 Remote time climate
Surround cameras
Privacy glass
Tow bar storage
Side steps
Chubby cooler
Genuine LR rubber mat set
Genuine 2nd row seat covers
4 x black wheel centre caps 
 
Post #124149423rd Feb 2014 11:59 am
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10614

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Geoff.
:-

http://www.disco3.co.uk/forum/member-geoff-2.html

NJSS
 Am I Gammon or Woke ? - I neither know nor care.

2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #124150323rd Feb 2014 12:07 pm
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caverD3
 


Member Since: 03 Jul 2006
Location: Oberon, NSW
Posts: 6922

Australia 2012 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

Oil temp sensor

http://www.disco3.co.uk/forum/topic107739.html

 â€œThere are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games”
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D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
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Post #124190823rd Feb 2014 10:35 pm
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ds23man
 


Member Since: 19 Jan 2013
Location: Ainum
Posts: 227

Netherlands 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Had the same problem, it is the lock-up plate. Dr. Tranny fixed it! Very Happy
  
Post #124201324th Feb 2014 7:40 am
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