Question about Yamaha FJ 1100 Motorcycles

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When riding FJ 1100 my fuel gage is boucing up and down and not reading correct fuel in take, even thou theres 3/4 tank of gas.

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Chechk the cable connecting the gauge,their might something lose screws. Otherwise need to replace gauge

Posted on May 29, 2011

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My 06 chevy siilverados gas meter reads at a qtr of a tank but ive i believe its on empty. once the truck says i have enough for 60-55 miles thats it i cant start it anymore. it crakns but doesnt catch....


the float arm is on the bottom of the tank but is at 1/4 on circuit board that is what the distance computer sees even thou the tank is empty . to fix the tank needs to come down and fuel pump module comes out the adjust arm to read correctly

Jun 02, 2014 | Cars & Trucks

1 Answer

Gas gauge reading wrong


One of two things: either the gage itself is malfuntioning or the float/sending unit in the gas tank is failing. Disconnect the plug at the tank for the sending unit, pick up a new sending unit and attach it to the plug without taking the old unit out of the tank. Then operate the float up and down on the new sending unit. If the gas gage reads correctly when the float is all the way up (full) and all the way down (empty) the old sending unit is probably bad and should be replaced. If there is no difference when you connect the new sending unit, the gage is probably bad. Then you can return the new sending unit (as long as the auto parts store allows returns of electrical parts) and buy a new gage. Install the new gage and...happy motoring.

Sep 29, 2013 | 2006 Jeep Wrangler

2 Answers

What will csuse the gas tank to drain into the crankcase?


the only thing to cause this is a bad carburetor float,its not stopping the gas flow when carburetor bowl is full.remove it and replace it.

Jan 29, 2010 | 1985 Yamaha FJ 1100

2 Answers

Even with a full tank my 2005 Envoy XUV fuel light stays on and fuel gauge marks empty


u need to change this gauge or try to dissasseble and clean it very well then try to install it back again

Jun 06, 2009 | 2005 GMC Envoy Xl

1 Answer

How do you remove the fairing and side panels off of a 85 fj 1100. i need to get to the carbs.


take off the seat,pop out the side panels,(they have two lugs per panel,then lift off the tank,dont forget to disconect the fuel gauge wire as you go,disconect fuel line and breather line from bottom of tank

May 11, 2009 | 1985 Yamaha FJ 1100

2 Answers

I have a 94 chevy s10 and my gas reads empty while i drive.but when i shut off the truck the gauge moves to different readings.


Is......the problem--"the gas gage reads empty when there is fuel in the tank. OR, The gage moves when the key to turned off ?

If it's the first,
You will need to test the gage and through process of elimination, determin if the Sending unit inside the fuel tank has gone Bad.

If its the second ? - Electrical gauges will move when powered down. Normal

Testing the gauge may not be easy - just depends on your ability.
It is a simple 2-wire gauge circuit, when disconnect (usually need the fuel tank) the gage reads in one direction (either full or empty)
then when shorted-the gage reads in oppisite direction.

Of course you must select the correct wires or you may short out the wrong circuits!! Most GM vehicles use a purple wire & black wire.

A quick method I have used to check the in-take part of the gauge is this.
1st. know there is gas - 1/2 tank works best.
2nd driver's door open, key in run position, engine not running.
3rd gently lift up on the door then let if come back down, gently.
just enough to cause the gas to slosh around.
4th - keep an eye on the gas gage, a bad sending unit in the take will show up as a "twitchy" needle.

Of course, if the gage never leaves empty - sloshing won't work.
I have a known good sending unit I can plug into the vehicle and simulate different levels of fuel - if the gas gage works, I know the problem is in the tank.

Let us know.

Dave

Feb 28, 2009 | 1996 GMC Sonoma

1 Answer

Calibrate a fuel gage (gas)


Assuming you don't have some kind of Space Shuttle technology to work with, the best thing to start with is an empty gas tank. When you install the sending unit the little float will be hanging down and the gauge should read empty. You can do some minor adjustments to the float while you are monkeying around with it so that, for example, "Empty" is not empty. This way even if the gauge is reading empty you will know that you have a few gallons left in there as a back up reserve so even if you are reading in the reserve range that you know you will still have a couple gallons left in the tank when you hit the big "E".

May 15, 2008 | 1987 Chevrolet R10

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