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Fuel tank logic
Rank: Elder Joined: 3/2/2009 Posts: 26,331 Location: Masada
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simonkabz wrote:washiku wrote:Wololo...I jumped on to this looking forward to an answer to questions I always av in mind. But now am more confused than before. Sasa nani anasema ukweli  Hata yangu ni 2000cc and I av been experiencing CLK's "problem". Eg I would fill the tank when going shags, uphill to Nyeri, get home when its not even half tank, do some rounds...my trip back, esp if I start it when the fuel is below half, will require I top up immediately I get back to town or somewhere around Thika road. This baffles me coz ideally it shud consume more uphill to Nyeri than on the way back. Maybe the gauge is not a very accurate way, that is my conclusion. I av also wondered about about the neutral thing. Does it really save fuel? Experience tends to show me it doesnt...or if any, the saving is negligible. I have a near-bad experience with neutral though. One day I was driving my older car, an NZE, along Langata Road when I was younger. I was running low on fuel and since there was jam I thought I could save on the neutral thing. Then ujinga kidogo ikaniingia. Now that if your engine is off u save more, I switched off and the jam opened(we started moving). I decided to continue with the neutral without switching on. Ujinga mingi sana...About 30 seconds after releasing the hand brake, the breaks were "dead", the car started moving faster and I was losing control completely. I immediately directed the car to the side to avoid hitting the car ahead. Nikapanda juu ya pavement...was already panicking. I engaged the hand break but it didnt stop immediately. There was a stone ahead and I "pimad" one of the wheel to hit it and that way it stopped. I had learnt my lesson on the road and I no longer want the car in motion when on neutral. Mimi niko na hii tabia ya free wheeling. I once free wheeled an old premio on a steep slope with corners kule Embu. Gari zimika! Hiyo steering afadhali mawe ya mjengo. Makueni flashed right infront of my eyes but I controlled the car n the EMERGENCY Brake as Americans call it saved the day. Which begs an important question, why didn't the engine restart when I reverted to D? For Toyotas you can only re-start the car when the gear lever is at N or P...and not any other position. Portfolio: Sold
You know you've made it when you get a parking space for your yatcht.
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Rank: Elder Joined: 3/2/2007 Posts: 8,776 Location: Cameroon
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Impunity wrote:simonkabz wrote:washiku wrote:Wololo...I jumped on to this looking forward to an answer to questions I always av in mind. But now am more confused than before. Sasa nani anasema ukweli Hata yangu ni 2000cc and I av been experiencing CLK's "problem". Eg I would fill the tank when going shags, uphill to Nyeri, get home when its not even half tank, do some rounds...my trip back, esp if I start it when the fuel is below half, will require I top up immediately I get back to town or somewhere around Thika road. This baffles me coz ideally it shud consume more uphill to Nyeri than on the way back. Maybe the gauge is not a very accurate way, that is my conclusion. I av also wondered about about the neutral thing. Does it really save fuel? Experience tends to show me it doesnt...or if any, the saving is negligible. I have a near-bad experience with neutral though. One day I was driving my older car, an NZE, along Langata Road when I was younger. I was running low on fuel and since there was jam I thought I could save on the neutral thing. Then ujinga kidogo ikaniingia. Now that if your engine is off u save more, I switched off and the jam opened(we started moving). I decided to continue with the neutral without switching on. Ujinga mingi sana...About 30 seconds after releasing the hand brake, the breaks were "dead", the car started moving faster and I was losing control completely. I immediately directed the car to the side to avoid hitting the car ahead. Nikapanda juu ya pavement...was already panicking. I engaged the hand break but it didnt stop immediately. There was a stone ahead and I "pimad" one of the wheel to hit it and that way it stopped. I had learnt my lesson on the road and I no longer want the car in motion when on neutral. Mimi niko na hii tabia ya free wheeling. I once free wheeled an old premio on a steep slope with corners kule Embu. Gari zimika! Hiyo steering afadhali mawe ya mjengo. Makueni flashed right infront of my eyes but I controlled the car n the EMERGENCY Brake as Americans call it saved the day. Which begs an important question, why didn't the engine restart when I reverted to D? For Toyotas you can only re-start the car when the gear lever is at N or P...and not any other position. Wewe hujanielewa. For a manual car you can jump start with the gear. Can the same be done on an auto by engaging D while running?? TULIA.........UFUNZWE!
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Rank: Elder Joined: 9/23/2009 Posts: 8,083 Location: Enk are Nyirobi
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simonkabz wrote:Impunity wrote:simonkabz wrote:washiku wrote:Wololo...I jumped on to this looking forward to an answer to questions I always av in mind. But now am more confused than before. Sasa nani anasema ukweli Hata yangu ni 2000cc and I av been experiencing CLK's "problem". Eg I would fill the tank when going shags, uphill to Nyeri, get home when its not even half tank, do some rounds...my trip back, esp if I start it when the fuel is below half, will require I top up immediately I get back to town or somewhere around Thika road. This baffles me coz ideally it shud consume more uphill to Nyeri than on the way back. Maybe the gauge is not a very accurate way, that is my conclusion. I av also wondered about about the neutral thing. Does it really save fuel? Experience tends to show me it doesnt...or if any, the saving is negligible. I have a near-bad experience with neutral though. One day I was driving my older car, an NZE, along Langata Road when I was younger. I was running low on fuel and since there was jam I thought I could save on the neutral thing. Then ujinga kidogo ikaniingia. Now that if your engine is off u save more, I switched off and the jam opened(we started moving). I decided to continue with the neutral without switching on. Ujinga mingi sana...About 30 seconds after releasing the hand brake, the breaks were "dead", the car started moving faster and I was losing control completely. I immediately directed the car to the side to avoid hitting the car ahead. Nikapanda juu ya pavement...was already panicking. I engaged the hand break but it didnt stop immediately. There was a stone ahead and I "pimad" one of the wheel to hit it and that way it stopped. I had learnt my lesson on the road and I no longer want the car in motion when on neutral. Mimi niko na hii tabia ya free wheeling. I once free wheeled an old premio on a steep slope with corners kule Embu. Gari zimika! Hiyo steering afadhali mawe ya mjengo. Makueni flashed right infront of my eyes but I controlled the car n the EMERGENCY Brake as Americans call it saved the day. Which begs an important question, why didn't the engine restart when I reverted to D? For Toyotas you can only re-start the car when the gear lever is at N or P...and not any other position. Wewe hujanielewa. For a manual car you can jump start with the gear. Can the same be done on an auto by engaging D while running?? Boss you cant jumpstart an auto by Kinetic. For a start there is no "clutch". Life is short. Live passionately.
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Rank: Member Joined: 5/2/2007 Posts: 536
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Impunity wrote:tuvok wrote:Siringi wrote:Most cars around promise mile ages of 15 to 20 km per liter highway. Now assuming a 60ltr fuel tank this would mean at least 900-1200km on a single full tank meaning Nrb msa and back or kisumu Mombasa with something left in the tank
Discuss from experience. when this 2L D4 vvti was younger it once did nearly 16 km/l to Msa Wacha until the time those ma-sensors wil start seeing ma dim dim its when utajua D4 ni nini! Speaking from experience ama from the grapevine? You do know that most modern cars have tons of sensors... Additionally many modern cars are now Direct Injection. 6 years on, I've only had to change one sensor, and that was maybe 4 years ago. Just need to know where (not) to service it. Kama those guys that go experimenting with plugs... If I was to buy another Toyota saloon it would probably have a similar engine... ( e.g. the D4-S 2.5 and 3.0 V6 on the Lexus IS250, mark-X, royal crown etc) http://en.wikipedia.org/wiki/Toyota_GR_engine
Anyway - just my experience and choices.
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Rank: Elder Joined: 9/23/2009 Posts: 8,083 Location: Enk are Nyirobi
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Impunity wrote:washiku wrote:Wololo...I jumped on to this looking forward to an answer to questions I always av in mind. But now am more confused than before. Sasa nani anasema ukweli Hata yangu ni 2000cc and I av been experiencing CLK's "problem". Eg I would fill the tank when going shags, uphill to Nyeri, get home when its not even half tank, do some rounds...my trip back, esp if I start it when the fuel is below half, will require I top up immediately I get back to town or somewhere around Thika road. This baffles me coz ideally it shud consume more uphill to Nyeri than on the way back. Maybe the gauge is not a very accurate way, that is my conclusion. I av also wondered about about the neutral thing. Does it really save fuel? Experience tends to show me it doesnt...or if any, the saving is negligible. I have a near-bad experience with neutral though. One day I was driving my older car, an NZE, along Langata Road when I was younger. I was running low on fuel and since there was jam I thought I could save on the neutral thing. Then ujinga kidogo ikaniingia. Now that if your engine is off u save more, I switched off and the jam opened(we started moving). I decided to continue with the neutral without switching on. Ujinga mingi sana...About 30 seconds after releasing the hand brake, the breaks were "dead", the car started moving faster and I was losing control completely. I immediately directed the car to the side to avoid hitting the car ahead. Nikapanda juu ya pavement...was already panicking. I engaged the hand break but it didnt stop immediately. There was a stone ahead and I "pimad" one of the wheel to hit it and that way it stopped. I had learnt my lesson on the road and I no longer want the car in motion when on neutral. Am glad ujinga ilikutoroka! The break pump is dead when engine id off and thus yu will need a massive foot power to apply the breaks effectively, handbrake is nothing for a moving car! lmaoest this reminds me of when i was a young and in-experienced driver. I was parking on a slope and the engine went off. Car started rolling downwards ... I still remember the SHOCK to my system as the more i stepped on the brakes, the harder they became. I was stopped by the pavement and got a scratched bumper for my struggles. Life is short. Live passionately.
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Rank: Elder Joined: 3/2/2007 Posts: 8,776 Location: Cameroon
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sparkly wrote:simonkabz wrote:Impunity wrote:simonkabz wrote:washiku wrote:Wololo...I jumped on to this looking forward to an answer to questions I always av in mind. But now am more confused than before. Sasa nani anasema ukweli Hata yangu ni 2000cc and I av been experiencing CLK's "problem". Eg I would fill the tank when going shags, uphill to Nyeri, get home when its not even half tank, do some rounds...my trip back, esp if I start it when the fuel is below half, will require I top up immediately I get back to town or somewhere around Thika road. This baffles me coz ideally it shud consume more uphill to Nyeri than on the way back. Maybe the gauge is not a very accurate way, that is my conclusion. I av also wondered about about the neutral thing. Does it really save fuel? Experience tends to show me it doesnt...or if any, the saving is negligible. I have a near-bad experience with neutral though. One day I was driving my older car, an NZE, along Langata Road when I was younger. I was running low on fuel and since there was jam I thought I could save on the neutral thing. Then ujinga kidogo ikaniingia. Now that if your engine is off u save more, I switched off and the jam opened(we started moving). I decided to continue with the neutral without switching on. Ujinga mingi sana...About 30 seconds after releasing the hand brake, the breaks were "dead", the car started moving faster and I was losing control completely. I immediately directed the car to the side to avoid hitting the car ahead. Nikapanda juu ya pavement...was already panicking. I engaged the hand break but it didnt stop immediately. There was a stone ahead and I "pimad" one of the wheel to hit it and that way it stopped. I had learnt my lesson on the road and I no longer want the car in motion when on neutral. Mimi niko na hii tabia ya free wheeling. I once free wheeled an old premio on a steep slope with corners kule Embu. Gari zimika! Hiyo steering afadhali mawe ya mjengo. Makueni flashed right infront of my eyes but I controlled the car n the EMERGENCY Brake as Americans call it saved the day. Which begs an important question, why didn't the engine restart when I reverted to D? For Toyotas you can only re-start the car when the gear lever is at N or P...and not any other position. Wewe hujanielewa. For a manual car you can jump start with the gear. Can the same be done on an auto by engaging D while running?? Boss you cant jumpstart an auto by Kinetic. For a start there is no "clutch". Very good. Now we are together. .Kindly explain to me what exactly happens when you do that. TULIA.........UFUNZWE!
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Rank: Elder Joined: 3/2/2009 Posts: 26,331 Location: Masada
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sparkly wrote:simonkabz wrote:Impunity wrote:simonkabz wrote:washiku wrote:Wololo...I jumped on to this looking forward to an answer to questions I always av in mind. But now am more confused than before. Sasa nani anasema ukweli Hata yangu ni 2000cc and I av been experiencing CLK's "problem". Eg I would fill the tank when going shags, uphill to Nyeri, get home when its not even half tank, do some rounds...my trip back, esp if I start it when the fuel is below half, will require I top up immediately I get back to town or somewhere around Thika road. This baffles me coz ideally it shud consume more uphill to Nyeri than on the way back. Maybe the gauge is not a very accurate way, that is my conclusion. I av also wondered about about the neutral thing. Does it really save fuel? Experience tends to show me it doesnt...or if any, the saving is negligible. I have a near-bad experience with neutral though. One day I was driving my older car, an NZE, along Langata Road when I was younger. I was running low on fuel and since there was jam I thought I could save on the neutral thing. Then ujinga kidogo ikaniingia. Now that if your engine is off u save more, I switched off and the jam opened(we started moving). I decided to continue with the neutral without switching on. Ujinga mingi sana...About 30 seconds after releasing the hand brake, the breaks were "dead", the car started moving faster and I was losing control completely. I immediately directed the car to the side to avoid hitting the car ahead. Nikapanda juu ya pavement...was already panicking. I engaged the hand break but it didnt stop immediately. There was a stone ahead and I "pimad" one of the wheel to hit it and that way it stopped. I had learnt my lesson on the road and I no longer want the car in motion when on neutral. Mimi niko na hii tabia ya free wheeling. I once free wheeled an old premio on a steep slope with corners kule Embu. Gari zimika! Hiyo steering afadhali mawe ya mjengo. Makueni flashed right infront of my eyes but I controlled the car n the EMERGENCY Brake as Americans call it saved the day. Which begs an important question, why didn't the engine restart when I reverted to D? For Toyotas you can only re-start the car when the gear lever is at N or P...and not any other position. Wewe hujanielewa. For a manual car you can jump start with the gear. Can the same be done on an auto by engaging D while running?? Boss you cant jumpstart an auto by Kinetic. For a start there is no "clutch". Furthermore hakuna hiyo gear iko indicated D in a a manual car, not unless the car is the type manufactured at KVM Thika. Do we have a manual car with a gear point label D? Portfolio: Sold
You know you've made it when you get a parking space for your yatcht.
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Rank: Elder Joined: 3/2/2009 Posts: 26,331 Location: Masada
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simonkabz wrote:sparkly wrote:simonkabz wrote:Impunity wrote:simonkabz wrote:washiku wrote:Wololo...I jumped on to this looking forward to an answer to questions I always av in mind. But now am more confused than before. Sasa nani anasema ukweli Hata yangu ni 2000cc and I av been experiencing CLK's "problem". Eg I would fill the tank when going shags, uphill to Nyeri, get home when its not even half tank, do some rounds...my trip back, esp if I start it when the fuel is below half, will require I top up immediately I get back to town or somewhere around Thika road. This baffles me coz ideally it shud consume more uphill to Nyeri than on the way back. Maybe the gauge is not a very accurate way, that is my conclusion. I av also wondered about about the neutral thing. Does it really save fuel? Experience tends to show me it doesnt...or if any, the saving is negligible. I have a near-bad experience with neutral though. One day I was driving my older car, an NZE, along Langata Road when I was younger. I was running low on fuel and since there was jam I thought I could save on the neutral thing. Then ujinga kidogo ikaniingia. Now that if your engine is off u save more, I switched off and the jam opened(we started moving). I decided to continue with the neutral without switching on. Ujinga mingi sana...About 30 seconds after releasing the hand brake, the breaks were "dead", the car started moving faster and I was losing control completely. I immediately directed the car to the side to avoid hitting the car ahead. Nikapanda juu ya pavement...was already panicking. I engaged the hand break but it didnt stop immediately. There was a stone ahead and I "pimad" one of the wheel to hit it and that way it stopped. I had learnt my lesson on the road and I no longer want the car in motion when on neutral. Mimi niko na hii tabia ya free wheeling. I once free wheeled an old premio on a steep slope with corners kule Embu. Gari zimika! Hiyo steering afadhali mawe ya mjengo. Makueni flashed right infront of my eyes but I controlled the car n the EMERGENCY Brake as Americans call it saved the day. Which begs an important question, why didn't the engine restart when I reverted to D? For Toyotas you can only re-start the car when the gear lever is at N or P...and not any other position. Wewe hujanielewa. For a manual car you can jump start with the gear. Can the same be done on an auto by engaging D while running?? Boss you cant jumpstart an auto by Kinetic. For a start there is no "clutch". Very good. Now we are together. .Kindly explain to me what exactly happens when you do that. Automatic drives have something called Torque converter, this is an hydraulic clutch! It has turbine vanes and guides which can only allow motion in one direction; so the design is that it can only allow motion from the engine to the gearbox and not vice versa...so there was no way you could restart the car by kinetic energy by engaging the gear to D...that was a futile attempt. I have explained the Auto-shift in the most layman language, if you cant grasp it then please just drive and forget what happens in the bonnet. Portfolio: Sold
You know you've made it when you get a parking space for your yatcht.
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Rank: Hello Joined: 7/8/2016 Posts: 5 Location: Nairobi
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Fuel gauge calibration is not linear. You are at half tank somewhere between the 1/2 and 3/4 marks
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Rank: Veteran Joined: 11/9/2009 Posts: 2,003
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Lucius wrote:Fuel gauge calibration is not linear. You are at half tank somewhere between the 1/2 and 3/4 marks It's no wonder they give such great margins of error...like empty tank but with fuel that can do 30-40km.
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