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Old 21st February 2021, 23:19   #11
LeRich
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My former ZT CDTi auto would average 38mpg with my then commute involving a mix of stop start urban traffic and open cruising. Don't forget it's a heavy car using old tech and an energy-sapping transmission.

Is the car running warm enough? Cool running will affect your mpg.
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Old 22nd February 2021, 00:33   #12
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I don’t know what temperature the car is running at...
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This vehicle was the 50,481st 75 to run off the production line, out of 112,381
This vehicle was the 2,238th 75 CDT Connoisseur SE to be made out of 3,775
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Old 22nd February 2021, 21:09   #13
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CLF.---Just curious but why are your posts so LARGE ??--Everyone elses fit on to my computer screen but your post is ginormous.--
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Old 22nd February 2021, 21:34   #14
75driver
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Fwiw, here are my 3 diesel auto figures.
SLZ, saloon, over 5245 mi: 43.84 mpg

NL05, saloon, over 6028 mi: 40.04 mpg (caliper sticking for a lot of this)

BX53, tourer, over 22107 mi: 42.66 mpg

All my fills / records are based on brim to brim, and that the majority of “trips” are circa 100miles on A roads.
If I wasn’t doing long journeys, I’d expect mpg to be considerably less.

I don’t think you’re mpg figures are that bad tbh.


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2003 75T Connoisseur SE diesel auto (For Comfort)
2005 75 Connoisseur SE diesel auto (Marmite duotone )
2006 75 Connoisseur SE diesel auto (The last one?)

2009 E220 (For a change)
2018 L200 (For Big & Heavy Things)
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Old 22nd February 2021, 22:18   #15
lipsee
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I do a regular round trip of 140 and cover 360 aweek,, I get about 40ish ,,, Today I put in a bottle of injector cleaner in and at 70 on the dash it said 49,, I think thats great,,I,m not checking brim to brim just incase its wrong... As regards tips and tricks,, I accelerate slow ,, my car is auto,,I use the gears manually ,,I always start off in 3,,moving to 4th then top..I cruise at 70 or whatever the limit is..but buildup speed slowing... I hate the car kicking down on hills in cruise,,but if you see a hill ,best thing todo is knock it out of cruise ,and at the top backin to cruise,,,that seems to stop the kickdown and the turbo spoolling up wasting fuel,other then that..keep your airfliter clean ....regarding fuel additive ,,not every week ,but I fill up then add a full bottle of additive,,like I say seems to help... regards
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Old 22nd February 2021, 22:30   #16
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Quote:
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CLF.---Just curious but why are your posts so LARGE ??--Everyone elses fit on to my computer screen but your post is ginormous.--
No idea .......
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Old 23rd February 2021, 13:43   #17
Ravinder
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A service of the car is overdue so will get this done and see if it improves as well as trying some redex. I did use this occasionally on my previous diesel but not on this one.
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First name and forum name: Ravinder

Rover 75 2.0 CDT Connoisseur SE 116 (160 remap)
Royal Blue (JFM)

This vehicle was the 50,481st 75 to run off the production line, out of 112,381
This vehicle was the 2,238th 75 CDT Connoisseur SE to be made out of 3,775
This vehicle was the 5,002nd 75 in Royal Blue (code: JFM) to be made out of 14,420 Royal Blue 75s
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Old 23rd February 2021, 13:59   #18
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A service of the car is overdue so will get this done and see if it improves as well as trying some redex. I did use this occasionally on my previous diesel but not on this one.
redex will do little if anything, particularly over a short period of time.

When you service it, get a bottle of Forte Specialist Injector cleaner, and when replacing the fuel filter, empty the Forte treatment into it, then fit the filter. Start the engine, and idle for about 20 seconds. Then shut it off and leave to soak overnight. The next day, give it an 'Italian tune-up'.

You should notice an improvement in the responsiveness, even just a little. It may improve the economy, although, I dont recall mine doing so, but it felt a lot smoother, at idle, and will hopefully give your injectors a little more life.
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