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why is it that most fc "low fuel" light dont work???

Old 02-11-10 | 03:55 AM
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Exclamation why is it that most fc "low fuel" light dont work???

is it cause the bulb blew out or wiring problems???
Old 02-11-10 | 07:56 AM
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i have never seen a working one either.
Old 02-11-10 | 08:26 AM
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mine works.
Old 02-11-10 | 08:32 AM
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Mine worked, fuel gauge didn't though.
Old 02-11-10 | 09:08 AM
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My works just fine
Old 02-11-10 | 09:39 AM
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mine works.. perhaps you guys drive into the E too much that it jus burned out? lol
Old 02-11-10 | 10:32 AM
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^ ha i was thinking the same thing, i dont think its to good for the engine to drive it on e too long might pick up particles from the bottom of the tank..
Old 02-11-10 | 10:37 AM
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My s4 is creepy. It like fades in and out when it comes on. Never seen it lit on the s5 though except for when you start the car.
Old 02-11-10 | 02:50 PM
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mine didnt work, but the sender unit was bad and i was too cheap to replace it. it read low when it was half empty.........******* thing

Lloyd
Old 02-11-10 | 02:51 PM
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its cause they burn out from being on all the time
Old 02-11-10 | 03:04 PM
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Originally Posted by solareon
. Never seen it lit on the s5 though except for when you start the car.
hmm thats right so it cant be a burned bulb then...




ive ran out of gas when i first bought my 7, thinking to myself, hey the light isnt on yet i can make it!! lol oh how wrong i was.... lesson learned, when its about to touch the bottom line, GET GAS!!!!! lol
Old 02-11-10 | 03:04 PM
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Its a talibon conspiracy. The moment you run out of gas you will be struck by a suicidal Honda.

But it's a flawed conspiracy since a Honda can't go fast enough to cause any significant damage.

Sidenote, low fuel sender failure seems to be more a problem with S5's than S4's.
Old 02-11-10 | 03:19 PM
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If you connect the W/R wire on the sending unit harness to ground the low fuel idiot light should come on.
Old 02-11-10 | 03:24 PM
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Mine comes on when the parking brake is pulled up .
Old 02-11-10 | 04:06 PM
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i owned 7 fcs and none of the lights worked for fuel hahahah
Old 02-11-10 | 04:14 PM
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Originally Posted by s2kguy17
^ ha i was thinking the same thing, i dont think its to good for the engine to drive it on e too long might pick up particles from the bottom of the tank..
+1 And also the fuel pump is kept cool by fuel in the tank.

My low fuel light works surprisingly. I didn't notice it worked for a long time till one day i actually ran it low on fuel. I try and stay above a 1/4 tank.
Old 02-11-10 | 11:52 PM
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mine works too but I never see it go off (rarely below 1/3 of a tank)
Old 02-12-10 | 12:01 AM
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[QUOTE=FelixIsGod29X;9798448. I try and stay above a 1/4 tank.[/QUOTE]



+1 foreals man i get paranoid when it goes under haha
Old 02-12-10 | 02:46 AM
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mine works most of the time. every now and then it wont come on and it will almost be touching the line. i think it has something to do with a loose connection between the idiot light cluster and its harness cause my clock will work for days till i hit a bump.
Old 02-12-10 | 02:55 AM
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mine is on all the time
Old 02-12-10 | 05:49 AM
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damn the s5 CLOCK!!!!!!! it works when it wants too!!!!
Old 02-12-10 | 06:27 AM
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I don't remember my first RX-7 (N/A) ever having the light working, but my new turbo definitely works
Old 02-12-10 | 07:11 AM
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Originally Posted by s2kguy17
^ ha i was thinking the same thing, i dont think its to good for the engine to drive it on e too long might pick up particles from the bottom of the tank..

Sorry to Hyjack the thread but wouldn't this be an issue all the time? I'm under impression that the fuel pick up is at the bottom of the tank... so, wouldn't it be sucking fuel from the bottom of the tank (and thus the crap down there too) all the time? I would think the bigger issue is that running on low all the time would cause cooling issues with the pump not being immersed in fuel.
Old 02-12-10 | 10:48 AM
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Originally Posted by unren
mine works most of the time. every now and then it wont come on and it will almost be touching the line. i think it has something to do with a loose connection between the idiot light cluster and its harness cause my clock will work for days till i hit a bump.
Wrong. Two separate circuits.

Cold solder joints in the circuit board is the reason the clock does what it does. Common 2nd Gen issue, easy fix.

I'm under impression that the fuel pick up is at the bottom of the tank.

So where else would you put the fuel pick up?
Old 02-12-10 | 12:19 PM
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Originally Posted by HOZZMANRX7
I'm under impression that the fuel pick up is at the bottom of the tank.

So where else would you put the fuel pick up?
I would put it at the bottom too but since I've never been in my 2nd Gen's fuel tank to tell you exactly where it is so I just posted it as an assumption. I'd hate to state that it is on the bottom and have you correct me because it's actually 0.453" off the bottom.

But back to the real question... The only reason I can think of that you would say it is more likely that you will pick up debris on a low tank because the debris to gas ratio is higer (more PPM debris per volume of fuel).

Last edited by Schmitty; 02-12-10 at 12:20 PM. Reason: Edit : Both the S5s have had working fuel lights

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