I have the strangest problem. When my GTI hits about half a tank it will only idle. When you accelerate it cuts out and does not accelerate. I thought something might be blocking the fuel from down in the gas tank but I have not found anything. Any thoughts on what would cause this?
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Gas Supply Problem on 1997 GTI
- Thread starter Rocko
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timmyboy76
New Member
So..on full tank, ski runs perfect? If thats the case, i'd pull the baffle/sending unit out, and inspect the screen filter and tubes fro cracks.
Yes, runs perfect when full of gas. Last time I had baffle out it looked fine. I did add a new screen filter at the bottom, so I assume the old one is somewhere in the tank. At that time I also added a new device that was suppose to travel up and down in the baffle to make the gas gauge work but it still does not.
Do you think this entire baffle system needs replacing?
Do you think this entire baffle system needs replacing?
timmyboy76
New Member
Follow wires from unit, and unplug it. See what happens...
JJinSC
Well-Known Member
If you replaced the float (the thing that rides up and down) in the baffle and the fuel gauge still does not work, then the on board fuse is probably blown. Could be your gauge, but before you do anything, read this .....
http://www.seadooforum.com/showthread.php?t=5826
As for the other problem, check your vent holes for your fuel system and make sure they are not plugged up. Insects love to use these orifices for their larvae. It could be that your fuel system is not able to take air in, creating a vacuum when you get about half a empty. You can check this by removing your gas cap the next time it happens and see if it runs. Be sure not to let anything get in through the open cap while trying this.
http://www.seadooforum.com/showthread.php?t=5826
As for the other problem, check your vent holes for your fuel system and make sure they are not plugged up. Insects love to use these orifices for their larvae. It could be that your fuel system is not able to take air in, creating a vacuum when you get about half a empty. You can check this by removing your gas cap the next time it happens and see if it runs. Be sure not to let anything get in through the open cap while trying this.
captain scale
Active Member
How's your fuel control valve? Does the problem occur in both settings, reserve or on positions?
Hi,
Where are the vents on the 97 GTI? Last weekend my brother went to the lake and the remaining gas had been forced out of the tank and was somehow pushed out of the gas fill cap and the on/off switch on the other side. He was not sure where the vents were located to try to remedy this problem.
Where are the vents on the 97 GTI? Last weekend my brother went to the lake and the remaining gas had been forced out of the tank and was somehow pushed out of the gas fill cap and the on/off switch on the other side. He was not sure where the vents were located to try to remedy this problem.
JJinSC
Well-Known Member
I think you have definately found your culprit. If gas came out of the places you described then your pressure releif valve has got to be pluggeg up. Follow the fuel lines from your tank. Two lines will run to your fuel selector switch a third line is the return line from the carb(s) and the other will be the vent line. Some times the vent line has a T and splits with a check valve to let air into the tank at the end of one and the other will run to the pressure releif valve. It sounds to me like the pressure releif valve is your problem.
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