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post #1 of 5 (permalink) Old 10th April 2008 Thread Starter
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Laguna Fuel Economy

I'm only getting about 39 mpg average from my Laguna 11 diesel estate on mainly town journeys with the occasional 80mph motorway blast.
I run with 32 psi in the front tyres and 30 at the rear and drive gently. I've added some diesel injector cleaner to a full diesel tank and given the car some welly to clear it out but I still only get about 39 mpg, which is miles away from the 55/60 mpg I thought I would get. Any ideas what I should do next or is this the best I can expect
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post #2 of 5 (permalink) Old 10th April 2008
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post #3 of 5 (permalink) Old 10th April 2008
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How many miles has it done?
When was oil /filter changed? When was air filter changed?
All of these can affect mpg.
55/60 mpg is very optimistic - perhaps if you drove at a constant 56mph.
Although 39 does seem a bit low.

We get approx 50 mpg with ours. That is mostly A roads with some town driving.
on an average motorway journey of approx 200 miles including town driving at each end we get approx 53mpg.
However, during winter months this drops by a couple of mpg due to lights,heaters, more strain on battery,winter diesel additives etc etc.

Bear in mind that driving at 80mph on the motorway will affect the consumption. Even slowing down to 75mph you will see a increasae of approx 2 or 3mpg averaged out over the journey.

Economy of diesels always drops in cold months - as the manufacturers put additives in to stop the diesel waxing ( not a problem in UK - but they still do it).

Once the spring arrives ( please hurry up) and the garages start stocking new stocks of diesel our economy improves a bit.

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post #4 of 5 (permalink) Old 28th May 2008
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My 2.2 Laguna II only returns about 36, so 39 sounds pretty good to me.

It's done 69,000, and I don't press on. When I do have to overtake and floor it (not often) the turbo spews out all sorts of rubbish that have collected in it (because I usually try not to get above 2k revs if poss).

Any suggestions about how to get better mpg?
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post #5 of 5 (permalink) Old 28th May 2008
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MPG is most affected by your driving style, if I had a diesel and only got under 40mpg I would be very dissapointed.

I have got 39mpg with my 1.8 petrol Laguna for the last 3 years.

Read this thread...........

Renault Laguna II - Phase 1 - Engines - Average MPG from 1.9 DCi Engine

A problem well stated is a problem half solved !
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Last edited by davesss; 28th May 2008 at 01:21 PM.
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economy , fuel , laguna

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