SS8_Gohan Posted May 23, 2006 Share Posted May 23, 2006 hey everyone, well had something really weird happen on me today driving to work, fuel guage went from half to empty.... in 1 km! a wicked fuel economy of 3000ltr / 100km's, yeah!! i wasn't leaving a trail of flamming fuel behind me and the car was still running fine despite being dead on empty with low fuel light on so i know i've still got fuel but was wondering what could be the cause of the guage thinking there is no fuel left? cheers, daniel Link to comment https://www.sau.com.au/forums/topic/119101-fuel-guage-showing-empty-with-known-half-tank/ Share on other sites More sharing options...
choyda Posted May 23, 2006 Share Posted May 23, 2006 Hi, I had this issue and I believe there is a thread regarding this. Restarting the car fixes the issue or driving on empty for a while. No errors appear on the Consult for this either (from what I have seen anyway). Let me know if you figure it out please. Link to comment https://www.sau.com.au/forums/topic/119101-fuel-guage-showing-empty-with-known-half-tank/#findComment-2194631 Share on other sites More sharing options...
Craved Posted May 23, 2006 Share Posted May 23, 2006 check the fitting on the tank .. there are 2 plugs . one for fuel pump with 2 wires... one with 3 wires for the fuel level sender .. could be earthing out somewhere on the signal wire which would make it show as empty Link to comment https://www.sau.com.au/forums/topic/119101-fuel-guage-showing-empty-with-known-half-tank/#findComment-2194682 Share on other sites More sharing options...
SS8_Gohan Posted May 23, 2006 Author Share Posted May 23, 2006 ok, i'm a bit of newb... where am i finding all of this? Link to comment https://www.sau.com.au/forums/topic/119101-fuel-guage-showing-empty-with-known-half-tank/#findComment-2194799 Share on other sites More sharing options...
gazza750 Posted May 23, 2006 Share Posted May 23, 2006 in your boot Link to comment https://www.sau.com.au/forums/topic/119101-fuel-guage-showing-empty-with-known-half-tank/#findComment-2194960 Share on other sites More sharing options...
SS8_Gohan Posted May 23, 2006 Author Share Posted May 23, 2006 so pull up the carpet and all that... and then where exactly will i find it, drivers side, passenger side... right in the middle? i have changed my rims recently and took the spare out to get the tools, maybe i knocked something? Link to comment https://www.sau.com.au/forums/topic/119101-fuel-guage-showing-empty-with-known-half-tank/#findComment-2195053 Share on other sites More sharing options...
SKYBEE Posted May 23, 2006 Share Posted May 23, 2006 could be the float on the sender has fallen off in the tank possibly Link to comment https://www.sau.com.au/forums/topic/119101-fuel-guage-showing-empty-with-known-half-tank/#findComment-2195378 Share on other sites More sharing options...
SS8_Gohan Posted May 23, 2006 Author Share Posted May 23, 2006 ^ that doesn't sound like something easily accessible Link to comment https://www.sau.com.au/forums/topic/119101-fuel-guage-showing-empty-with-known-half-tank/#findComment-2195622 Share on other sites More sharing options...
Craved Posted May 23, 2006 Share Posted May 23, 2006 not having an R34 its hard for me to say .. they usually have wiring going into a plate with 4 bolts that is the cover .. undo that and you will see the fuel lines and the 2 plugs Link to comment https://www.sau.com.au/forums/topic/119101-fuel-guage-showing-empty-with-known-half-tank/#findComment-2195685 Share on other sites More sharing options...
exv8driver Posted May 23, 2006 Share Posted May 23, 2006 Sounds like the floats fallen off.. but I'd check the wiring first (easiest option). Link to comment https://www.sau.com.au/forums/topic/119101-fuel-guage-showing-empty-with-known-half-tank/#findComment-2195814 Share on other sites More sharing options...
choyda Posted May 23, 2006 Share Posted May 23, 2006 Sounds like the floats fallen off.. but I'd check the wiring first (easiest option). Inside the boot, remove the carpet panel thats up against your seats. You should then see and ECU looking thing (I think its the HICAS controller or something like that). Theres a lid with bolts all around it on the shelf type thing. Thats how you access the fuel pump. It might be near that. I'll check the service manual tonight and confirm. Link to comment https://www.sau.com.au/forums/topic/119101-fuel-guage-showing-empty-with-known-half-tank/#findComment-2196032 Share on other sites More sharing options...
SS8_Gohan Posted May 24, 2006 Author Share Posted May 24, 2006 I think its the HICAS controller or something like that good, i'll rip that out...stupid car walking sideways on the roads cool, cheers for that mate. When i get the chance i'll check the boot out - for a little bit last night the fuel guage raised a bit, when i pulled over to drop a friend home, then proceeded to drop again when i started driving, back to empty. Link to comment https://www.sau.com.au/forums/topic/119101-fuel-guage-showing-empty-with-known-half-tank/#findComment-2196596 Share on other sites More sharing options...
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