Fuel Consumption - 2.5 CRDi Sorento - Page 4





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  1. #61
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    Quote Originally Posted by WAJ View Post
    Dunno much about fuelly, but there is nothing really wrong with the KIA, runs well (even before the extra powa) starts first time, revs well, but ja it had a drinking problem.

    I even laid down under it with engine running to see if I couldn't find any leaks, but nothing. Its an automatic and that is 95% traffic start stop consumption in heavy traffic, and I do have a heavy foot. Also it is not a light SUV by any means - it weighs in at just under 2 tonnes (thats without me in it - which pushes it way over )


    I filled it up at the same place, and made sure its ALL the way up to the brim each time so that I could get accurate figures.
    For now i would go get a decat done or remove the cat in simple terms to help with lag and leave the silencers in
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  2. #62
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    No cats on diesels, also it doesnt have DPF so no restrictions in the zorst besides normal baffles and not being particularly large diameter
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  3. #63
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    I have given up.

    HOW the F...! can a little 2.5 diesel give such bad fuel consumption?

    I am getting 20l / 100km in town driving?

    I might as well flip the thing and buy a V6 4.0 120 Prado - I am sure Ill get better consumption.... its ridiculous and nothing wrong with the engine runs like a kitten purring starts right up even in the cold, and NO LEAKS !

    How much $$'s for a nice lexus 1UZ conversion??


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  4. #64
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    You shoukd check the following :
    1) airflow meter
    2) manifold/ intake pressure
    3) ambient temp sensor
    4) water temp sensor

    Surely when they did the remap they checked all of the above....

    Also is the torque converter not slipping, how are the gear changes?

    I get 12.5 l - 14/100km in a LR discovery 2.5 diesel, so yours is way out..

  5. #65
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    Quote Originally Posted by WAJ View Post
    I have given up.

    HOW the F...! can a little 2.5 diesel give such bad fuel consumption?

    I am getting 20l / 100km in town driving?

    I might as well flip the thing and buy a V6 4.0 120 Prado - I am sure Ill get better consumption.... its ridiculous and nothing wrong with the engine runs like a kitten purring starts right up even in the cold, and NO LEAKS !

    How much $$'s for a nice lexus 1UZ conversion??


    Guessing no Engine Light ?
    If remapped take it back.. for them to check..
    Some guys just load a file and remove safety limits..

    Also get a OBD scan tool and check for any faults..

    Is it boosting correctly ?

    Blocked air filter ??
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  6. #66
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    Quote Originally Posted by WAJ View Post
    No cats on diesels, also it doesnt have DPF so no restrictions in the zorst besides normal baffles and not being particularly large diameter
    Diesels have catalytic converters and newer gen motor use DPF.. on Diesel they usually sit close to Turbo or is part of the downpipes..
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  7. #67
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    Quote Originally Posted by NewLandy View Post
    You shoukd check the following :
    1) airflow meter
    2) manifold/ intake pressure
    3) ambient temp sensor
    4) water temp sensor

    Surely when they did the remap they checked all of the above....

    Also is the torque converter not slipping, how are the gear changes?

    I get 12.5 l - 14/100km in a LR discovery 2.5 diesel, so yours is way out..
    I'd also vote for something like a sensor being broke or even unplugged and the ecu is using shed loads of fuel to compensate, or the remap was very poorly done. I'd start with going back to the stock map.

  8. #68
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    Quote Originally Posted by Skylark View Post
    I'd also vote for something like a sensor being broke or even unplugged and the ecu is using shed loads of fuel to compensate, or the remap was very poorly done. I'd start with going back to the stock map.
    Stock map it was just as thirsty, new map improved performance by some margin but not fuel economy.

    No error codes and engine runs good no issues except it has a serious drinking problem.

    Maybe a bigger fatter downpipe could help?
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  9. #69
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    Quote Originally Posted by BigBear View Post
    Guessing no Engine Light ?
    If remapped take it back.. for them to check..
    Some guys just load a file and remove safety limits..

    Also get a OBD scan tool and check for any faults..

    Is it boosting correctly ?

    Blocked air filter ??
    No check engine light, no issues runs well, boosts good (well from 2000 - 3500 rpm anyways) starts easy even in cold weather doesnt use oil. The place that did the remap also did an EGR delete. Maybe these engines were just crap hence Kia replaced them with the 2.2 Crdi in the later Sorentos...

    I really HATE giving so much more TAX to the government through fuel levies
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  10. #70
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    Has a heavy foot. Complains about consumption. Eish
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  11. #71
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    Quote Originally Posted by WAJ View Post
    No check engine light, no issues runs well, boosts good (well from 2000 - 3500 rpm anyways) starts easy even in cold weather doesnt use oil. The place that did the remap also did an EGR delete. Maybe these engines were just crap hence Kia replaced them with the 2.2 Crdi in the later Sorentos...

    I really HATE giving so much more TAX to the government through fuel levies
    Have you checked what fuel economy these engines typically get?

    Ranting and raving about the fuel economy is pointless unless you know what baseline you should be expecting.

  12. #72
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    Quote Originally Posted by WAJ View Post
    Stock map it was just as thirsty, new map improved performance by some margin but not fuel economy.

    No error codes and engine runs good no issues except it has a serious drinking problem.

    Maybe a bigger fatter downpipe could help?
    Easiest and most basic way tuners increases power is via dumping more diesel into the motor..

    FWD / AWD ?

    What was EGT like when Tuner did the tuning?
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  13. #73
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    Quote Originally Posted by WAJ View Post
    No check engine light, no issues runs well, boosts good (well from 2000 - 3500 rpm anyways) starts easy even in cold weather doesnt use oil. The place that did the remap also did an EGR delete. Maybe these engines were just crap hence Kia replaced them with the 2.2 Crdi in the later Sorentos...

    I really HATE giving so much more TAX to the government through fuel levies
    No boost leaks on intake/intercooler piping, could also leak if intercooler fins are damaged.. ?

    Makes me worried as I was looking at trading the chev 2.4 petrol to a sorento but seems the chev even in petrol is better.. getting 10-12 km/l..
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  14. #74
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    Quote Originally Posted by BigBear View Post
    Easiest and most basic way tuners increases power is via dumping more diesel into the motor..

    FWD / AWD ?

    What was EGT like when Tuner did the tuning?
    Its all wheel drive (with switch for lowrange) so I guess that also makes a bit of a difference to heavy city traffic consumption. I noticed that the older models (pre 2006) with the lower output engine actually could switch to 2H, 4H and 4L, unlike the newer version I have that only has Auto and 4L on the switch.

    Have seen people online getting around 7 kilos per litre on these mixed driving, so its not really an economic commuter but perhaps I expect too much from an almost 2000kg AWD with automatic transmission, and an idjit heavy footer behind the wheel
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  15. #75
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    Default Re: Fuel Consumption - 2.5 CRDi Sorento

    Quote Originally Posted by WAJ View Post
    Its all wheel drive (with switch for lowrange) so I guess that also makes a bit of a difference to heavy city traffic consumption. I noticed that the older models (pre 2006) with the lower output engine actually could switch to 2H, 4H and 4L, unlike the newer version I have that only has Auto and 4L on the switch.

    Have seen people online getting around 7 kilos per litre on these mixed driving, so its not really an economic commuter but perhaps I expect too much from an almost 2000kg AWD with automatic transmission, and an idjit heavy footer behind the wheel
    Maybe check if there is a workaround to wire the switch to 2H on the Ford it was a Solenoid that just needed to be disengaged with a flip switch..
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