Sick fuel consuption - Civinfo
 
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post #1 of 14 (permalink) Old 2nd March 2016, 00:12 Thread Starter
 
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Sick fuel consuption

Hi lads,

I wonder if everything is OK with my FN2... I can get it that type r is not design for eco driving but.. my fuel consumption has never been so high. Computer shows me average one 13,4 l/km what is dodgy for me as I use vtec no to often 'cause baby on board.

I was driving Today on the motorway 120 km/h roughly 60km and reading from computer went down to 11,0 l/km. Is still sick like on driving on the 6th gear. Bit too high.

I have started thinking if maybe lamda (O2) sensor is faulty?
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post #2 of 14 (permalink) Old 2nd March 2016, 00:20
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I'm currently averaging 22mpg with complete town driving to work which is a short 15 minute drive with start stop in the morning and the same on the way home in rush hour.

If I am on the motorway I can easily average 34+ mpg just cruising with no traffic.

Tbh... you don't get a type r with fuel consumption in mind, just enjoy
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post #3 of 14 (permalink) Old 2nd March 2016, 00:53 Thread Starter
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Im just wondering how to find out when O2 lamda sensor is dead. As far I know computer does not display it and only external computer can diagnose it what is Ok if somebody has right cable and software to read it. For me is pointless to buy it just for one check and same spend some sick money for computer diagnostic in mechanic. I would rather have it checked my self but dunno how.


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post #4 of 14 (permalink) Old 2nd March 2016, 04:35
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Wouldn't a faulty lambda sensor put the engine management light on ?

I know it has in my other cars.
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post #5 of 14 (permalink) Old 2nd March 2016, 13:07
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Check your brakes aren't binding. Common fault with these cars and will hurt your fuel consumption.
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post #6 of 14 (permalink) Old 2nd March 2016, 19:13
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I'm on 19.9
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post #7 of 14 (permalink) Old 2nd March 2016, 19:20 Thread Starter
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Quote:
Originally Posted by Another_james View Post
Check your brakes aren't binding. Common fault with these cars and will hurt your fuel consumption.

If that would happen alloys were warm/hot after driving? Would they?


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post #8 of 14 (permalink) Old 2nd March 2016, 19:32
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Thats correct. An Italian tune up might help get rid of the cob webs also.

Quote:
Originally Posted by rutkose View Post
If that would happen alloys were warm/hot after driving? Would they?


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post #9 of 14 (permalink) Old 2nd March 2016, 19:35
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My daily commute to work is 7 miles there and 7 back and I average 26.7mpg

When I go up north which is quite a lot its a 60mph speed limit with average speed cameras, roughly 130 miles to get up that road and I averaged 38.7mpg - was well happy!
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post #10 of 14 (permalink) Old 11th March 2016, 19:10
 
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I have found that fuel consumption on CTR vary greatly depending on circumstances.
Generally, my car averages around 22-24 mpg, (but bear in mind that I'm driving in rush hours and Warsaw is one of the worst cities in Europe in terms of congestion), but I can also easilly do >35 on peaceful journey on motorway/b roads.
What I found interesting is that my car seems to be quite fussy in terms of fuel quality.
Quite quickly you can tell if you put rubbish into your tank It manifestate it by idle rpm trembling, occasional cel AND terrible mpg, smth like ~17 mpg with rather 'catholic' driving style. Only solution then is to wait it up and fill it with a decent one, asap.

So, rutkose, maybe that would do the trick?
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post #11 of 14 (permalink) Old 12th March 2016, 13:29
 
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I get about 7.7l/km on mine with some mixed driving. Not to much vtec'ing tho.

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post #12 of 14 (permalink) Old 12th March 2016, 13:55
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Quote:
Originally Posted by rutkose View Post
Hi lads,

I wonder if everything is OK with my FN2... I can get it that type r is not design for eco driving but.. my fuel consumption has never been so high. Computer shows me average one 13,4 l/km what is dodgy for me as I use vtec no to often 'cause baby on board.

I was driving Today on the motorway 120 km/h roughly 60km and reading from computer went down to 11,0 l/km. Is still sick like on driving on the 6th gear. Bit too high.

I have started thinking if maybe lamda (O2) sensor is faulty?
Lol thats around the same as my work car and thats a 5.7 V8 .... 13l/100km is 22MPG....

you must have left the handbrake on!

I used to see high 30's touching 40's on longer runs, with pure motorway driving when I was in the UK. and thats running a Group N ECU which supposedly runs richer than stock.
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post #13 of 14 (permalink) Old 12th March 2016, 23:28
 
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Comparing fuel consumption in different locations, weather, driving style, etc. is rather pointless.
Average of 13 liters per 100 km is pretty bad for a relatively small 2l N/A hatch, granted, but it's pretty close to what I get in mine. Car has been thoroughly checked recently and it's running allright, so I can rule out some mechanical faults. Also, It can manage with around ~7 l/km when driven very steadily.
So, basically, what I'm trying to say is - Fn2 can drink that much and still be healthy.
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post #14 of 14 (permalink) Old 13th March 2016, 15:38
 
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I get around 26-28 mpg mostly town driving and have done quite a bit to car, exhust and intake manifold cat back group n map, need a tune yet but I'm more than happy with mog.
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