Weird false low fuel reading and bogging issue

tundra

TY 4 Stroke Junkie
Joined
May 11, 2003
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Location
Saguenay , Quebec
When i stop my sled, and restart it between 5 min, i always got a low fuel reading (gage (bar) flash and light stay on) and if i go WOT, motor bog really bad until light come off. When light come off, bar reading start from empty and raise to the real fuel level.

Any idea ?
 
When I restart sled and take off hard I will at times get the warning light with the fuel pump nozel symbol. I think this is low fuel or maybe low oil, not sure I lean towards fuel. If I turn my boost up or stand the sled up on take off it tends to come on more often. This can happen with a full tank of fuel. I thought it might be because I did not give time for the start up cycle?( took off to fast). I always stop and restart it seems to clear. After reading you post I left it on yesterday the sled did not bog but I thought there was hesitation and a slight pop! So I cleared the light by restarting. It has never gone off by it self, seem to have to restart.
 
mine clear off by itself, and am sure its low fuel, because, gage show emtpy, no bar left, and its bogging badly can't go WOT, just part throttle until it clear, but never tryed to restart. I will try this next time.

My dealer told me that we have a small relief valve or something like that, and the Computer must read 2 psi in the gas tank. sound strange to me.
 
look similar, but mine always bog really bad when going WOT , if i let off the gaz and going WOT again, its seems ok, but it need maybe a minute to clear.
 
I found something today, One of my Carb float bowl overflow, Float bowl spit fuel a lot when stopping motor or idling And on the same carb, the line for anti-freeze is all deformed and oversized from carb to mid lenght of the Hose.

Weird.
 


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