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KitTheRam



Member Since: 29 Mar 2022
Location: Essex/Herts Border (originally from Derby)
Posts: 417
United Kingdom 2009 Range Rover Vogue TDV8 Santorini Black

That’s interesting. Everything I’ve read on here points to the 4.4 being far better on fuel. 2009 pre-facelift 3.6 TDV8.
Post #697724 9th Aug 2024 3:58pm
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Andygriff73



Member Since: 29 Jul 2018
Location: Ellesmere Port
Posts: 62
United Kingdom 2011 Range Rover Vogue TDV8 Santorini Black

I got roughly between 520-560 miles per tank in the 4.4 but that was on shell v power. The egr has been blanked on the 3.6 so I don’t know whether that is the difference. The 4.4 was higher mileage than the 3.6 but both turbos had been changed in the 4.4 again no bills for turbos having been replaced on the 3.6.
Post #697778 10th Aug 2024 11:58am
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KitTheRam



Member Since: 29 Mar 2022
Location: Essex/Herts Border (originally from Derby)
Posts: 417
United Kingdom 2009 Range Rover Vogue TDV8 Santorini Black

Does blocking the EGR lead to a little less mpg? Guessing the map the cars given after has the most effect.

For what it’s worth I only put 60L in at a time (it’s not driven that often), I personally really notice the weight when driving with a full tank. 2009 pre-facelift 3.6 TDV8.
Post #697783 10th Aug 2024 2:21pm
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JayGee



Member Since: 27 Jul 2021
Location: London
Posts: 3206
United Kingdom 2012 Range Rover Vogue 4.4 V8 Orkney Grey

KitTheRam wrote:
That’s interesting. Everything I’ve read on here points to the 4.4 being far better on fuel.
It's better but not 'far better' with taller gearing from the 8 speed likley being the main reason. If Andygriff73 was only getting 550 mile sper tank it suggests there was an issue with his car. Unless the EGR valves on a 3.6 were leaking it's unlikley better MPG will result from blanking or deleteing them. Main reason is to protect the turbo's and engine from destruction if they fail. A sticky EGR valve that doesn't shut fast enough when applying power will blunt throttle response and feel uneven in performance. 2012 TDV8 Vogue (L322)
Post #697813 11th Aug 2024 8:10am
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