KWESHAZ
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Guys let me share with you my observations on the operation of the 2 fuel sender units on the Nissan skyline 250GT.I pulled out the 2 sender units out of the tank and switched the ignition key to ON position.I was moving the floats on both sensors simulating different tank levels while observing the behaviour of the fuel gauge.For my experiment the dead side tank was 2 and the live tank was 1.For the sensor positions Low meant empty, Mid was half tank and High was full tank. I made the following observations If both tanks 1 & 2 sender units are set on Low, the fuel gauge will indicate empty If sensor in tank 2 is set to Low and as you move your sensor in tank 1 from Low to High the fuel gauge moves from empty to maximum half tank. If sensor in tank 2 is in Mid position to High and as you move your sensor in tank 1 from Low to High the fuel gauge moves from empty to full tank. So in conclusion there is some form of synchronization between the 2 sensors.The fuel gauge reading is a result of the synchronized positions of the dead side and live side fuel sender units.
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Guys does anyone have any idea as to why the Nissan skyline 250 GT has 2 fuel sender units (fuel sensors).Whats the purpose of the fuel sensor in dead side of the saddle tank.What's the part played by this sensor since there is another sensor in the live side of the tank where the pump is situated.
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Thanks @ sonicii for your clear explanation. Atleast I now have an idea of how the system operates. I will do my checks and give feedback. Thanks a lot.
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So guys what could be the problem with my fuel pump system or what sort of challenges that are usually encountered on these type of fuel systems
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Sorry for the late response guys but would like to thank you for your responses.V35_Paul --- Yes I am running out of fuel yet there will be fuel on the other side of the tank. The 250GT has a single line from the pump to the engine and another line from the other side tank (dead side)onto the pressure regulator as shown in pics below. Any idea as to why we have 2 level sensors one on the dead side and the other on the live side attached to the pump.
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Hallo guys. I have a Nissan Skyline V35 250GT. I hav seen the car has a fuel tank split into two, possibly the main tank and the reserve tank. In the main tank is the pump. My problem is fuel is getting finished in the main tank whilst there will be fuel in the reserve tank.Are they not supposed to decrease in level at the same time? How is fuel added to the main tank from the reserve? I see there is a fuel pipe from the bottom of the reserve tank to the pump filter.How does it work and what could be the problem.
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Nissan Skyline Steering Rack problem Hallo guys I am back again but this time with a Nissan skyline steering rack problem.There was sound coming from the front when turning the vehicle and on checking I realized that the power steering fluid had bubbles and was quite low in the reservoir.I topped up the steering fluid , suspended the front wheels then turned the steering several times lock to lock to remove any trapped air.Quite satisfied the level was no longer dropping I then tested the car.When turning the car the steering wheel sort of vibrates and on inspection of the power steering housing and cylinder assembly I saw some fluid coming out of both inner tie rod clamp boots.When I removed the clamps on the boots a lot of fluid came out. Now my question is has anyone faced this problem and is it possible to change the seals rather than the whole steering housing and cylinder assembly.One mechanic says change the whole assembly but its quite expensive.Also what could have caused these seals to give in.Your assistance will be greatly appreciated.
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Nissan Skyline Steering Rack problem
Hallo guys I am back again but this time with a Nissan skyline steering rack problem.There was sound coming from the front when turning the vehicle and on checking I realized that the power steering fluid had bubbles and was quite low in the reservoir.I topped up the steering fluid , suspended the front wheels then turned the steering several times lock to lock to remove any trapped air.Quite satisfied the level was no longer dropping I then tested the car.When turning the car the steering wheel sort of vibrates and on inspection of the power steering housing and cylinder assembly I saw some fluid coming out of both inner tie rod clamp boots.When I removed the clamps on the boots a lot of fluid came out.
Now my question is has anyone faced this problem and is it possible to change the seals rather than the whole steering housing and cylinder assembly.One mechanic says change the whole assembly but its quite expensive.Also what could have caused these seals to give in.Your assistance will be greatly appreciated.
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Hallo guys I am back again but this time with a Nissan skyline steering rack problem.There was sound coming from the front when turning the vehicle and on checking I realized that the power steering fluid had bubbles and was quite low in the reservoir.I topped up the steering fluid , suspended the front wheels then turned the steering several times lock to lock to remove any trapped air.Quite satisfied the level was no longer dropping I then tested the car.When turning the car the steering wheel sort of vibrates and on inspection of the power steering housing and cylinder assembly I saw some fluid coming out of both inner tie rod clamp boots.When I removed the clamps on the boots a lot of fluid came out.
Now my question is has anyone faced this problem and is it possible to change the seals rather than the whole steering housing and cylinder assembly.One mechanic says change the whole assembly but its quite expensive.Also what could have caused these seals to give in.Your assistance will be greatly appreciated.
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Skyline Vq25dd Loss Of Power On Acceleration
KWESHAZ replied to KWESHAZ's topic in VQ Series - V35, V36 & Infiniti
How far are you with your skyline problem.Did you get the solenoid valves -
Mani 124 for interest sake whats the location of the knock sensor.I also have Skyline V35 GT250 (that uses engine VQ25DD).How does it look like if you have pictures pliz.
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Contact me 00258842003657 I am also in Mozambique,Nampula Province.Can assist you
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Skyline Vq25dd Loss Of Power On Acceleration
KWESHAZ replied to KWESHAZ's topic in VQ Series - V35, V36 & Infiniti
Hallo Hallo Guys.I am so happy to let you know that the loss of power on acceleration is now over. I bought the 2 solenoid valves (shown in my last post) from Japan, fitted them and then took the car to a diagnostic machine to have the engine light cleared.The car is now perfect.I am so happy because I did a lot of research on this issue.I would like to thank you all who contributed to my topic.I would also like to thank the clubskyline.russia website for I got a lot of very helpful information from there.This loss of power on acceleration issue has been resolved. -
V35 Skyline English Workshop Manual
KWESHAZ replied to rs73's topic in VQ Series - V35, V36 & Infiniti
I am interested too -
Skyline Vq25dd Loss Of Power On Acceleration
KWESHAZ replied to KWESHAZ's topic in VQ Series - V35, V36 & Infiniti
Hallo guys I am back again.Can anyone assist me with the role played by the 2 solenoid valves (attached)(one brown and the other green) found in front of a VQ25DD engine. I tested the valve terminals with a multimeter and the green one has a resistance of 30 Ohms but the brown one is open.
