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Thread: How to hypermile within city?

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    Default How to hypermile within city?

    Hi friends, I own a city 15 and live in a cantt. There is very light traffic. But, there are two to three check posts between my home and workplace. Maximum speed I can go is around 50-60 kph. There are numerous turns as well. I have to idle the car for 3-5 minutes to warm up and drive for around 5-10 kilometres every morning. I was working to hypermile and improve economy. But, I am unable to go over 12 km/l.
    My questions are;
    1. Is it normal mileage under the circumstances.
    2. What technique should I follow to improve economy?
    3. How much time is enough to warm up the car early morning, specially in winter months coming ahead?

    Regards.


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    Quote Originally Posted by Babar2437 View Post
    Hi friends, I own a city 15 and live in a cantt. There is very light traffic. But, there are two to three check posts between my home and workplace. Maximum speed I can go is around 50-60 kph. There are numerous turns as well. I have to idle the car for 3-5 minutes to warm up and drive for around 5-10 kilometres every morning. I was working to hypermile and improve economy. But, I am unable to go over 12 km/l.
    My questions are;
    1. Is it normal mileage under the circumstances.
    2. What technique should I follow to improve economy?
    3. How much time is enough to warm up the car early morning, specially in winter months coming ahead?

    Regards.


    Sent from my iPhone using PW Forums
    On Petrol i do not think that its necessary to warm the engine (except very cold weather).

    Better to Sale your City and Buy Aqua or FIT

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    Lols okay :-)


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    mostly it depends on the driving pattern
    light foot will help u the max
    btw my friend owned 10 model
    he used to really hypermile
    like 22-kml
    also he is getting 23kml on PKDM wagon R

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    Quote Originally Posted by bigb_gr8 View Post
    mostly it depends on the driving pattern
    light foot will help u the max
    btw my friend owned 10 model
    he used to really hypermile
    like 22-kml
    also he is getting 23kml on PKDM wagon R
    That's cool. I think for city 1.3 I need to maintain 90-100 on highway for this mileage. Which in my view is too low.


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    Don't warm up your car before driving - that is one of the biggest reasons for your high fuel consumption. Just start, put it in gear, and drive off gently. Keep the rpm low on a cold engine - generally not more than 3k at max (preferably less than 2k).

    When anticipating a stop, or a checkpost, stop accelerating. Bleed your speed gradually in gear before braking.

    Drive at just enough speed to keep up with traffic - your average speed will hardly vary in city driving in most situations.

    Oh, and 22 kml is a piece of cake for a Honda City. You don't need to drive on the highway to achieve that - with the right knowledge and enough practice you can actually exceed that in city driving.
    _ 22 km/l from '03 VTi automatic, with plenty of room for improvement
    _ How to hypermile: http://www.cleanmpg.com/community/index.php?threads/1510/

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    Quote Originally Posted by Babar2437 View Post
    Hi friends, I own a city 15 and live in a cantt. There is very light traffic. But, there are two to three check posts between my home and workplace. Maximum speed I can go is around 50-60 kph. There are numerous turns as well. I have to idle the car for 3-5 minutes to warm up and drive for around 5-10 kilometres every morning. I was working to hypermile and improve economy. But, I am unable to go over 12 km/l.
    My questions are;
    1. Is it normal mileage under the circumstances.
    2. What technique should I follow to improve economy?
    3. How much time is enough to warm up the car early morning, specially in winter months coming ahead?

    Regards.


    Sent from my iPhone using PW Forums
    Read twice to check that you are indeed saying 12Km / L. Is'nt that low for a City ? I have 1.8 Civic manual and have 205 tires and I definitely do not have a light foot. It gives me around from 10.5 to 11 Km / L within city and 13.5 on motorway.
    FJ

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    Quote Originally Posted by ZainMahdi View Post
    Don't warm up your car before driving - that is one of the biggest reasons for your high fuel consumption. Just start, put it in gear, and drive off gently. Keep the rpm low on a cold engine - generally not more than 3k at max (preferably less than 2k).

    When anticipating a stop, or a checkpost, stop accelerating. Bleed your speed gradually in gear before braking.

    Drive at just enough speed to keep up with traffic - your average speed will hardly vary in city driving in most situations.

    Oh, and 22 kml is a piece of cake for a Honda City. You don't need to drive on the highway to achieve that - with the right knowledge and enough practice you can actually exceed that in city driving.
    Thanks, it was quite elaborate and helpful. My car gives around 19 km/l at 100-110 kph on motorway. I think that's okay. About cold engine start; manual says to wait for few minutes before driving when the outside temperature is below freezing. I think when the winters are harsh, one should wait for 1-2 minutes and then drive in 1st gear below 2000 rpm till the time cold light is off and then carry on normal.


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    Quote Originally Posted by lazers View Post
    Read twice to check that you are indeed saying 12Km / L. Is'nt that low for a City ? I have 1.8 Civic manual and have 205 tires and I definitely do not have a light foot. It gives me around from 10.5 to 11 Km / L within city and 13.5 on motorway.
    Yes, you are right. It's quite low for city 1.3. I usually get around 18 km/l on motorway and 15 km/l within city. The 12 km/l is in a special area where I can't go beyond 50 kph and 3rd gear. There are frequent speed breakers as well :-). It's the 10 kilometres between my house and office in a cantt area. So considering the 2 minute warm up time, followed by driving at 50 kph speed in this area; 12 km/l seems okay. What do you say?


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    Quote Originally Posted by Babar2437 View Post
    Yes, you are right. It's quite low for city 1.3. I usually get around 18 km/l on motorway and 15 km/l within city. The 12 km/l is in a special area where I can't go beyond 50 kph and 3rd gear. There are frequent speed breakers as well :-). It's the 10 kilometres between my house and office in a cantt area. So considering the 2 minute warm up time, followed by driving at 50 kph speed in this area; 12 km/l seems okay. What do you say?



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    I guess then it seems ok.
    FJ

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    for your question number 3 the answer is 30 seconds! iv read many other professional forums too where this question has been asked and the answer is 30 seconds when u start the car in the morning! anything more than 30 seconds is wasting fuel! u dont need to idle for 2-3 minutes! woh poranay zamanay ki gadiyoon mein hoa karta tha carburetor wali mein and when efi technology wasnt that advance!
    "The world ain't all sunshine and rainbows. It's a very ruff, mean place, and no matter how tuff you think you are, it will always bring you to your knees and keep you there permanently if you let it.You or nobody ain't never gonna hit as hard as life, but it ain't about how hard you hit, it's about how hard you can get hit and keep moving forward, how much you can take and keep moving forward. If you know what you're worth, go out and get what you're worth, but you gotta be willing to take the hit."
    - Sylvester Stallone

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    Quote Originally Posted by aamirq View Post
    for your question number 3 the answer is 30 seconds! iv read many other professional forums too where this question has been asked and the answer is 30 seconds when u start the car in the morning! anything more than 30 seconds is wasting fuel! u dont need to idle for 2-3 minutes! woh poranay zamanay ki gadiyoon mein hoa karta tha carburetor wali mein and when efi technology wasnt that advance!
    I agree with you. I read the manual of city 15 as well. It says that, "warm up the engine for few minutes before driving when outside temperature is below freezing". It seems a vague statement to me. There's no mention to warm up till light goes off or any specific minutes or rpm etc. So in my view, under normal conditions warm up 30 seconds in the mourning. Whereas in December-February increase this time to 2-3 minutes. After all we don't want to cause wear and tear of engine to save some fuel.


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    Basically a driving a cold engine makes no difference then manufacturers shud remove the cold engine light

    So the tip from my side

    Drive with a warmed up engine & try to drive with RPM under 1.5K preferrably 1.25K

    results will be beyond par

    QUALITY JDMs @ fb.com/mycar.pk
    Transparency & Trust @ WWW.MYCAR.PK , salaam.

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    at cold start rpm goes higher than normal n comes back to normal after the engine reaches it optimal operating temperature..
    give ur car a litlle time at cold start to warm up a bit... let say let the temp needle starts to move !
    good for ur ride's engine health ! agr aese e chalana sahi ho to rpm ko optimal temp pe lanay ki kia zrurat,bnao f16 phr

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    That's what I think. Engine health comes before fuel economy. Is it okay if I start and wait for 1 minute and then drive slowly in first gear till the time cold light goes off?


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    I usually dont have the patience to drive slowly , but a buddy of mine who is a hyper milling freak , told me once .. to get the best average
    change gears at 2k rpm .. and drive as if you have no brakes..

    Now to elaborate on the no brakes part , its like if you see a check post of a red traffic light ahead simply lift off the accelerator and let the car slow down on its own a bit and gently apply the brakes..

    So basically no sudden accelerations , no sudden brakes ..
    Just my 2 cents

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    Quote Originally Posted by Babar2437 View Post
    That's what I think. Engine health comes before fuel economy. Is it okay if I start and wait for 1 minute and then drive slowly in first gear till the time cold light goes off?


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    I personally let my car ideal for 2 mins in the morning , in the mean time I clean the windscreen etc
    2 mins is more than enough , I get peace of mind as well as not alot of fuel is wasted

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