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Old 07-16-2009, 07:26 PM   #1 (permalink)
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amco
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Hi Fellows -

Just want to ask if you guys are experiencing the same issue I have right now. I recently got my i10 (Automatic), and as I compute for my fuel consuption everytime I would fill in my tank it will just give me about 10km per litter computation. So - they're telling me that's not fuel efficient compared to other cars. Considering this one is small already and with a 1.1 engine - km/litter should be higher right?

Any thoughts?

Or even suggestions on how I can improve this.

I always run at 1.5 RPM - that's already slow. I just go 2 at a max.

Help me please.

Thanks!
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Old 07-17-2009, 03:24 AM   #2 (permalink)
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QUOTE (Marjh @ Jul 16 2009, 06:26 PM)
Quote:
Hi Fellows -

Just want to ask if you guys are experiencing the same issue I have right now. I recently got my i10 (Automatic), and as I compute for my fuel consuption everytime I would fill in my tank it will just give me about 10km per litter computation. So - they're telling me that's not fuel efficient compared to other cars. Considering this one is small already and with a 1.1 engine - km/litter should be higher right?

Any thoughts?

Or even suggestions on how I can improve this.

I always run at 1.5 RPM - that's already slow. I just go 2 at a max.

Help me please.

Thanks!
Marih
In highway... I ran about 302Km with 16lit fuel... I have manual transmition and 1.2cc engine... That means that my i10 give me 18km comptutation.
In above trip I ran at 3500RPM and with 110-120Km/h....
I just wonder why are you run at 1.5RPM I think is very low RPM and also this is not good for your car...
All new engines are manufactured to work in entire breadth of rounds from 1000 to 6000... If you see a typical curve between Compusion and RPM you will observe tha the lowest compusion comes roughly when you run at the middle PRMs of your tachometer.. 3000-3500Rpm approximate in our car...
My opinion is that you do not take the most of your car because you drive in very low RPM
Thank you.. and sorry for my english...
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Old 07-17-2009, 03:43 AM   #3 (permalink)
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Nothing wrong with your English Marabu. Yes, agree that the engine should be revved a little more - even though an automatic is always in the 'correct' ratio. In my 1.25 manual I get about 50 mpg in very mixed driving which is nearly 18 km per litre. I expect a little more when it is fully bedded-in at about 5,000 miles or so.
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Old 07-17-2009, 08:49 PM   #4 (permalink)
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amco
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Thanks for your replies - I appreciate it!

I'm a new driver and I just got a tip that I should drive slow (like nothing above 2 rpm) to get maximum fuel consumption. Are you saying that I should be doing it the other way around?

I bought the i10 because I heard it's gas consumption is cheaper than others.

Now I'm thinking something is wrong with my car - hehe!

Though it's AT i hope it'll give me something more than 10km/liter.

Marabu and Goodoldboy - you both are getting 18?

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Old 07-18-2009, 04:05 AM   #5 (permalink)
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QUOTE (Marjh @ Jul 17 2009, 08:49 PM)
Quote:
Thanks for your replies - I appreciate it!

I'm a new driver and I just got a tip that I should drive slow (like nothing above 2 rpm) to get maximum fuel consumption. Are you saying that I should be doing it the other way around?

I bought the i10 because I heard it's gas consumption is cheaper than others.

Now I'm thinking something is wrong with my car - hehe!

Though it's AT i hope it'll give me something more than 10km/liter.

Marabu and Goodoldboy - you both are getting 18?

So far yes - but don't forget that we have manual cars. Although you need to be gentle with a new engine (see other topics) you also need to get them working and not let them 'labour'. It is true that a light right foot is the best way to get good fuel consumption.
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Old 06-02-2010, 03:38 AM   #6 (permalink)
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ArtanisEL
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Hi Marjh,

You still get the FC of 10km / liter?

Me too... my RPM is around 2.5k to 3.5k, but I still get 10km/ liter in average... I don't know what should I check and what should I do... sigh...

I buy this car because of the FC too.
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Old 06-02-2010, 05:48 AM   #7 (permalink)
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Think of it like you are riding a push bike stuck in a high gear. You only have to push the pedal slowly but it is very hard work. Slip down a couple of gears and your legs are pumping around much faster but it is much easier.

The engine is much the same. A 1.2 reaches maximum torque at 4000 revs. This is the point were it is most efficient. Slogging it along at 1500 will kill it. Let it revs, its what it was designed for. Keep it between 2500 > 4000 and you will get the best out of it.

At 70 mph in fifth the engine is still well below it max torque and will probably try and creep up towards it. (Slowly accelerate even with a fixed throttle.) You will find that you can probably very slowly back off the throttle and maintain the same speed.
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Old 06-02-2010, 12:35 PM   #8 (permalink)
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I have a feeling that all my info can be found in another thread but as consumption is a subject dear to my heart, here goes again.

The Andalusian dealer swears that about 8L per 100km is normal for our auto-box and constant airco. When driving with no airco and max 110kph (a very reare circumstance for us) we achieved 45.5mpg.

A recent long run, with airco and speeds of up to 130kph, did give us two tank fulls at 14km / L. Use of airco and actual speed is clearly very critical.

Sorry for the mix of data but some is unconverted in my mind.
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Old 06-02-2010, 06:08 PM   #9 (permalink)
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QUOTE (Marjh @ Jul 18 2009, 01:49 AM)
Quote:
Thanks for your replies - I appreciate it!

I'm a new driver and I just got a tip that I should drive slow (like nothing above 2 rpm) to get maximum fuel consumption. Are you saying that I should be doing it the other way around?

I bought the i10 because I heard it's gas consumption is cheaper than others.

Now I'm thinking something is wrong with my car - hehe!

Though it's AT i hope it'll give me something more than 10km/liter.

Marabu and Goodoldboy - you both are getting 18?

Hi Marjh,
We too have an i10 auto but with the 1.2 engine. Our Km/L for the fill ups equate to:-
14.49
12.95
13.44
14.98
16.53
17.02
12.27
13.93
15.00
11.52

Now the low values are when the wife takes the car and as mentioned by others the better fc is when we have been on the motorway. Generaly the cars rpm runs between 1500 and 2750 when in town traffic.
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Old 06-03-2010, 01:58 AM   #10 (permalink)
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Steve-W Thanks for the interesting figures. They make sense to me as my wife tends to have a heavier foot too.

Looking at your location, you probably don't need to use the airco much!

When well run-in, the engine revs very freely and on an uphill overtaking manoevre hit 6000 without any sign of stress.
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