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Discussion Starter #1
Hi all,

As many of you know (thanks for the help already)

I was to collect the IDE on Sunday (which I did), and had a very lovely 3 hour ride home to test it out. The car is both quiiet and smooth and all the electrics work including the heated seats and the air con is FREEZING due to a recent regas.

Bodywork is very straight and paint damage is limited to a couple of stone chips but otherwise spot on.

Now the question bit:eek: :eek:

MPG was between 26 and 27.8 for the journey and I was just steady cruising at 80mph (cruise control work too:) ) With the air con running. Is that not a touch low??

Also the car seems relatively slow off the mark although it does get up to speed easy enough there is no real oomph in 2nd or 3rd to really get past things?
I'm only comparing to my ten year old 1.6TDi Astra but even that seems to be stronger in 3rd gear!!

Overall is there anything that may be compromising acceleration and fuel consumption (besides A/C which I turned off to see if it was that affecting the acceleration)?
 

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Glad you like the car.

When was it last serviced? Things like filters,plugs etc can affect performance and mpg.
Being a turbo diesel your Astra probably was better in 3rd than the Laguna. Whilst it has a pretty good torque/rev range for a petrol engine, 3rd gear acceleration probably wont be as good as a turbo diesel. It should leave your astra standing at the lights tho!
 

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Discussion Starter #3
The last service was 6th of last month so plenty of time to go till next one!!
I'm taking it to my mech to look at the plugs, which serial number are the correct Renault ones for the IDE engine?? If they are the wrong ones I will get them replaced ASAP.
 

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ide 2 ltr petrol

Hi

I get about 28.8 mpg on my ide and it is well maintained .
Don't forget this is a petrol car and is also quite heavy as you do have the initiale .
I drive a petrol volvo at work with a similar engine and get low 20's::::
With this engine it comes into its own on the motorway you should be able to easily get about 130 mph out of it I have also noticed that it pulls really well up hills .
Mine pulls at a steady rate right through the rev range I feel the engine has allot more power to give but I feel renault maped the engine to give this ride .
If you had faulty plugs you would get a misfire . I would not play around with the engine as you are likley to throw your ecu into a spaz:eek: :eek:
Just enjoy the luxury ride the initiale spec is great great value for money the only problem is you would always want this spec :p :p when you change to your next car .
Mine does 0-60 in about 9secs for your info and I have had mid 130'out of it with some left in the engine .

Thanks ide man:) :) :)
 

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Cybermanc said:
MPG was between 26 and 27.8 for the journey and I was just steady cruising at 80mph (cruise control work too:) ) With the air con running. Is that not a touch low??
I'd get 29-31 averaging 80-85 (indicated) on the motorway. I'd say your figures are slightly on the low side, but not to a worrying degree. Fuel economy on the IDE is pretty poor, especially considering it's supposed to have been designed to be more economical than a normal 2 litre injection engine.
Also the car seems relatively slow off the mark although it does get up to speed easy enough there is no real oomph in 2nd or 3rd to really get past things?
I'm only comparing to my ten year old 1.6TDi Astra but even that seems to be stronger in 3rd gear!!
You're not still driving it like the TDi are you? Going from a turbodiesel to a multivalve petrol engine, you have to remember to thrash it through the gears practically up to the red-line if you really want it to go. The Lag II 2.0 IDE is geared to do 60 in 2nd and close to 90 in 3rd. If you want to get the most out of it performance-wise, change from 2nd to 3rd at 60, and then 3rd to 5th once you hit your cruising speed.
Overall is there anything that may be compromising acceleration and fuel consumption (besides A/C which I turned off to see if it was that affecting the acceleration)?
I think the IDE has the sense to disengage the A/C clutch at full throttle, but don't quote me on that. Full throttle acceleration never seemed to be affected by the A/C on mine, which wasn't the story with my previous 2.0 8v RXE. I never found that the A/C made any noticeable difference to fuel economy .
 
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