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4.8 fuel consumption

Engines and Engine Systems

Re: 4.8 fuel consumption

Postby karldDanneberg » 15 May 2017 12:57

With 285/70/17's ie 33" wheels, roof rack, front and rear bullbar, fridge, drawer system, 2 adults, 2 kids I average 4.4km/l excluding compensation for larger wheel size of 6% which means my average is in region of 4.664km/l....

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Re: 4.8 fuel consumption

Postby JoshJ » 15 May 2017 14:07

After reading this thread I plug my launch diagnostic in on my 4.8. Set the timming to 5BTDC. Adjusted the idling and then have it learn the idle airflow. Its much smoother and responsive now. I wil keep an eye on consumption figures.

It has a rich fume smell at the exhaust. Before and after the adjustment. If I check the CO% on the launch it says 0% . If I increase it to 7% you barely smell any fumes and on 9% there is no smell. My qeustion is, does anyone know what this setting should be? I am scared of running it to lean. Hence I put it back on 0 where it was.
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Re: 4.8 fuel consumption

Postby NMAD » 15 May 2017 15:34

JoshJ wrote:After reading this thread I plug my launch diagnostic in on my 4.8. Set the timming to 5BTDC. Adjusted the idling and then have it learn the idle airflow. Its much smoother and responsive now. I wil keep an eye on consumption figures.

It has a rich fume smell at the exhaust. Before and after the adjustment. If I check the CO% on the launch it says 0% . If I increase it to 7% you barely smell any fumes and on 9% there is no smell. My qeustion is, does anyone know what this setting should be? I am scared of running it to lean. Hence I put it back on 0 where it was.


Hi Josh

I have the Nissan consult 3 program and the CO % factory spec is 2 % plus minus 1 percent but to set this you must use a co analyzer/ 4 way gas analyzer inserted into the exhaust.

The Patrol will come from the factory with a 0 setting like you have using your diagnostics software, all it means is there is no adjustment that has been hard coded into the ECU.

The factory workshop tells you how to do it.

I set mine so it reads 1.5 % on the CO gas analyzer display.
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Re: 4.8 fuel consumption

Postby JoshJ » 15 May 2017 15:52

Thanx alot. I will then get it on a machine here. :thumbup:
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Re: 4.8 fuel consumption

Postby NMAD » 03 Jul 2017 12:08

I got the best economy this weekend since owning my Patrol 4.8 GRX.

I joined a 4x4 club this past weekend for an economy trip from CapeTown to Lainsburg then down to R62 and back to Cape Town. overnight camped at porcupine rest camp - very nice spot)

Drove 506 Km between fill ups and only used 65 liters of fuel so averaged 7.8km per liter : :pray: . Average speed was 90KM/H.

All other vehicles where diesel Isuzu and they got around 11- 13 km/l

was actually nice travelling at that speed, nice and relaxing.

Pic is off travelling 388 KM with almost half a tank of fuel left.
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Re: 4.8 fuel consumption

Postby Rhett » 03 Jul 2017 14:46

Thanks for the feedback Noel, and that goes to prove a point! The best consumption I got was also around 7,8km/l, at also 90 - 100km/h (230km's)
The outdoors life for me, thanks.
https://www.youtube.com/channel/UC9e98c ... XUyixKJavQ

Nissan Patrol 4.8 GRX

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Re: 4.8 fuel consumption

Postby hugejp » 03 Jul 2017 21:03

7.8 is awesome!
----------------------------------------------------------------------

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Jy KAN met 'n DATSUN!
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Re: 4.8 fuel consumption

Postby Michael » 04 Jul 2017 05:18

Thats very interesting results and very good consumption!!
Would be interesting to see what a 4.2D and a 3.0 will get at 90km/h
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Re: 4.8 fuel consumption

Postby Rhett » 04 Jul 2017 07:53

Did you have a roof rack on? And what tyre pressure were you at for the most part?
The outdoors life for me, thanks.
https://www.youtube.com/channel/UC9e98c ... XUyixKJavQ

Nissan Patrol 4.8 GRX

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Re: 4.8 fuel consumption

Postby NMAD » 04 Jul 2017 09:54

2.2 bar all round, no roof rack or any accessories, stock standard like from the factory
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