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Nissan Tiida Latio Fuel Gauge Incorrect Reading

rcmadawala

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rcmadawala Newbie

rcmadawala

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Hi guys,

This is my first topic in AL. :prankster:

I recently bought my first car, a Nissan TIIDA Latio 2008 (yom). When i full tanked the car the gauge shows bit less than the F sign as marked below.

nissan_09versahatchback_159.jpg

I stepped out of the car an checked when filling because i wanted to make sure the guy in the shed wasn't too lazy to hold the pump. :wild:

But he stopped filling when the tank gets overflowed. So right now I'm not sure the problem is with fuel gauge or something else :speechless-smiley-019:

Can someone please help me out?

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PerfMad Community Regular

PerfMad

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Hi guys,

This is my first topic in AL. :prankster:

I recently bought my first car, a Nissan TIIDA Latio 2008 (yom). When i full tanked the car the gauge shows bit less than the F sign as marked below.

nissan_09versahatchback_159.jpg

I stepped out of the car an checked when filling because i wanted to make sure the guy in the shed wasn't too lazy to hold the pump. :wild:

But he stopped filling when the tank gets overflowed. So right now I'm not sure the problem is with fuel gauge or something else :speechless-smiley-019:

Can someone please help me out?

First of all welcome to the forum and congratz on ur purchase ..

Coming back to your issue, to me it looks like something wrong with you fuel gauge sensor.. Early days there used to be floaters to determine the fuel level, but new cars has a sensor to signal the level.

I don't think as per the age of this car it could be a fuel gauge issue rather its a sensor issue. Get this checked with a good mechanic, he should be able to solve your prob.

This is my 2 cents on this.

Open for experts ideas and comments :sad-smiley-067:

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rcmadawala Newbie

rcmadawala

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First of all welcome to the forum and congratz on ur purchase ..

Coming back to your issue, to me it looks like something wrong with you fuel gauge sensor.. Early days there used to be floaters to determine the fuel level, but new cars has a sensor to signal the level.

I don't think as per the age of this car it could be a fuel gauge issue rather its a sensor issue. Get this checked with a good mechanic, he should be able to solve your prob.

This is my 2 cents on this.

Open for experts ideas and comments :sad-smiley-067:

Thanks for the comment. :drinks:

Let's see others thoughts on this

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Rumesh88 Newbie

Rumesh88

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When it comes to fuel gauges, not a lot has changed at the fuel tank end from the early days of floaters and some kind of a potentiometers except that now the floaters are built into the pump itself and sensor element in some vehicles changed to a magnetic type. In OP's case the best shot is to take the pump out and get the slider and track of the sensing element cleaned carefully (repeat, carefully) and also ensure the floater can freely move about its entire range of motion (ie as it moves with an empty tank to a full one). The sensing element is a carbon track and cleaning would solve the problem only if the problem is due to some dirt on it. If the track is cracked then you will have to replace the pup I'm afraid.The method that I use for carefully cleaning a carbon track is to rub it with a pencil eraser. Do not let the mechanic to use any form of abrasive material (paper or paste) when cleaning. Hope the explanation helps.

Edited by Rumesh88
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PerfMad Community Regular

PerfMad

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When it comes to fuel gauges, not a lot has changed at the fuel tank end from the early days of floaters and some kind of a potentiometers except that now the floaters are built into the pump itself and sensor element in some vehicles changed to a magnetic type. In OP's case the best shot is to take the pump out and get the slider and track of the sensing element cleaned carefully (repeat, carefully) and also ensure the floater can freely move about its entire range of motion (ie as it moves with an empty tank to a full one). The sensing element is a carbon track and cleaning would solve the problem only if the problem is due to some dirt on it. If the track is cracked then you will have to replace the pup I'm afraid.The method that I use for carefully cleaning a carbon track is to rub it with a pencil eraser. Do not let the mechanic to use any form of abrasive material (paper or paste) when cleaning. Hope the explanation helps.

Well explained. Once i had an issue with ma lancer, gauge was fluctuating time to time. And the root cause was a soldering inside the floater unit. However, re-soldering did the trick.

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rcmadawala Newbie

rcmadawala

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When it comes to fuel gauges, not a lot has changed at the fuel tank end from the early days of floaters and some kind of a potentiometers except that now the floaters are built into the pump itself and sensor element in some vehicles changed to a magnetic type. In OP's case the best shot is to take the pump out and get the slider and track of the sensing element cleaned carefully (repeat, carefully) and also ensure the floater can freely move about its entire range of motion (ie as it moves with an empty tank to a full one). The sensing element is a carbon track and cleaning would solve the problem only if the problem is due to some dirt on it. If the track is cracked then you will have to replace the pup I'm afraid.The method that I use for carefully cleaning a carbon track is to rub it with a pencil eraser. Do not let the mechanic to use any form of abrasive material (paper or paste) when cleaning. Hope the explanation helps.

Thanks Rumesh for the Great explanation. Btw do you happened to know somebody / place to do this kind of thing.

Also to do this, do i have to go to the mechanic with an empty tank :speechless-smiley-019:

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Rumesh88 Newbie

Rumesh88

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Thanks Rumesh for the Great explanation. Btw do you happened to know somebody / place to do this kind of thing.

Also to do this, do i have to go to the mechanic with an empty tank :speechless-smiley-019:

Now that's the difficult part :D. Where is your location BTW? Someone else on the forum should be able to help you perhaps.

It is not necessary to have an empty tank but it (at least a half tank) certainly helps because once the pump is dismounted you will have to turn and twist it to get it out from the tank. Remember the tank opening is only large enough for the circular pump body but not for the protruding arm of the floater. This could be practically a bit messy job with a full tank.

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rcmadawala Newbie

rcmadawala

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Now that's the difficult part :D. Where is your location BTW? Someone else on the forum should be able to help you perhaps.

It is not necessary to have an empty tank but it (at least a half tank) certainly helps because once the pump is dismounted you will have to turn and twist it to get it out from the tank. Remember the tank opening is only large enough for the circular pump body but not for the protruding arm of the floater. This could be practically a bit messy job with a full tank.

I'm near Weliweriya, Gampaha.

But I'm ok to travel to Colombo to get this done. I guess replacing fuel pump just for this (if track is cracked) is waste because it will cost around 30k+ :speechless-smiley-006:

Done some search on the youtube and found this but he talks about replacing the regulator from the pump .

Edited by rcmadawala
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Rumesh88 Newbie

Rumesh88

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If you are looking for a Nissan specialist you will find information in http://forum.autolanka.com/topic/15974-good-mechanics-technicians-workshops/?hl=%2Bbulugaha+%2Bjunction#entry261430 helpful. However I should be able to find you a guy in Embaraluwa area but have to wait until I get back to my home town for the coming holidays.

BTW this seems to be quite close to your case - http://www.trinituner.com/v4/forums/viewtopic.php?t=490906

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rcmadawala Newbie

rcmadawala

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If you are looking for a Nissan specialist you will find information in http://forum.autolanka.com/topic/15974-good-mechanics-technicians-workshops/?hl=%2Bbulugaha+%2Bjunction#entry261430 helpful. However I should be able to find you a guy in Embaraluwa area but have to wait until I get back to my home town for the coming holidays.

BTW this seems to be quite close to your case - http://www.trinituner.com/v4/forums/viewtopic.php?t=490906

Alright. It will be a great help if you can find me a guy to do this. I'll wait then. Thanks mate

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