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Hunting TDv6
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Member Since: 07 Mar 2015
Location: Dorset UK
Posts: 234

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3
Hunting TDv6

Just had major cam belt service on my D3 TDV6, the vehicle is now hunting up and down by about 150 RPM on tickover (like old diesel engines with governors).

I have experienced this before with an alternator failing (not on a D3), however all voltages are good and no voltage fluctuation with engine revs which normally happens with alternator failure.

I have one injector which is running around 1300 when cold and dropping back to about 1200 when hot. No faults registered..

Any thoughts or ideas please.. Owning a Discovery 3 is like dating a model.. a firm body and shape, wow.. the ride is fantastic >Very Happy for this your wallet can take a pounding and you worry about being deflated at any time...
2009 Model D3 HSE  
Post #156313918th Nov 2015 9:28 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20786

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

How many miles have you done since the belts were done?

With the battery disconnected, it clears the long term adaptive values from the PCM. The "hunting" will be present for a while until the PCM has a chance to re-adapt Thumbs Up My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #156315418th Nov 2015 9:37 pm
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Member Since: 07 Mar 2015
Location: Dorset UK
Posts: 234

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Mikey, you were spot on Bow down

I actually had to disconnect the battery to re route the winch wiring which the stealers just ran over the top of the battery, oh yes and they missed the bolt holding the aircon pipes just below the battery so left "floating".

So winch wiring re-rounted, bolt inserted on aircon adaptive trim "found itself" injector 5 now running around 1140 so I think we are good... Owning a Discovery 3 is like dating a model.. a firm body and shape, wow.. the ride is fantastic >Very Happy for this your wallet can take a pounding and you worry about being deflated at any time...
2009 Model D3 HSE  
Post #156361519th Nov 2015 4:27 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20786

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Thumbs Up My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #156365319th Nov 2015 5:44 pm
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