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Fuel gauge woes
Having fuel gauge problems. This is the car I just got last week. Previous owner said it would indicate full but down below about half it would get pretty flaky. Attached image is the part I swapped off my donor car who's gauge worked fine. Now gauge does nothing at all, warning light still works though. Is there more that should be swapped? Or maybe the problem is elsewhere? Any help is appreciated.
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Elazar '08 ML550 daily driver '13 F150 work truck '87 MR2 racecar '92 Lsl Claret 5sp "Be kind to your motor car." - Jackie Stewart |
#2
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Re: Fuel gauge woes
could be the floater.. Im having the same problem with mine. it works when it wants to, but i havent gotten the chance to work on it.
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#3
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Re: Fuel gauge woes
Ok. Just found out there is are two floats. So is the signal that's sent to the gauge some sort of combination of the two? And maybe I just swapped the wrong one?
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Elazar '08 ML550 daily driver '13 F150 work truck '87 MR2 racecar '92 Lsl Claret 5sp "Be kind to your motor car." - Jackie Stewart |
#4
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Re: Fuel gauge woes
Along with a float on each side there is this (attached image) with some type of sensor in it. what is it and does it affect the fuel gauge?
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Elazar '08 ML550 daily driver '13 F150 work truck '87 MR2 racecar '92 Lsl Claret 5sp "Be kind to your motor car." - Jackie Stewart |
#5
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Re: Fuel gauge woes
Still haven't quite figured out exactly how this circuit works but I swapped out the cluster from the donor and it seems to be working now. I'll see once I run some gas out if it will move how it should. Of course I had to swap odometers too. I like how each gauge is individually removeable, makes it pretty easy.
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Elazar '08 ML550 daily driver '13 F150 work truck '87 MR2 racecar '92 Lsl Claret 5sp "Be kind to your motor car." - Jackie Stewart |
#6
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Re: Fuel gauge woes
The two floats: One is for the gauge and one is for the gas light to come on.
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'94 Laguna Blue LSi ~159k.......JDM ultra short-geared 3.900 STi Version 7 6-speed w/ Cobb shortshifter, ECUtune 244,8.1mm/256,9.1mm i/e cams, group N motor mounts, '97 grille, JDM clear corners, Momo JDM Legacy GT steering wheel, apkarian's LED tails, silver STi BBS wheels, PWR radiator, redstuff pads f/r, drilled/slotted rotors, bontragerworks rsb #18, Koni/GC 450f/375r coilovers, Megan Racing adjustable lateral links, KMac c/c plates, Stebro exhaust, ECUtune 1v5, Optima battery in the trunk where it belongs. Turbo project '97 Ebony LSi ~137k #036.......Power mode mod, JDM clear corners, BBS wheels. AUX/pocket mod Now a mod "over there" ............Photo album |
#7
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Re: Fuel gauge woes
Quote:
Has my electronics tech experience failed me and I'm completely wrong?
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Elazar '08 ML550 daily driver '13 F150 work truck '87 MR2 racecar '92 Lsl Claret 5sp "Be kind to your motor car." - Jackie Stewart |
#8
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Re: Fuel gauge woes
Quote:
Harvey.
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One Arm Bloke. Tell it like it is! 95 Lsi. Bordeaux Pearl, Aust. RHD.149,000Kls Subaru BBS wheels. 97 Liberty GX Auto sedan. 320,000Kls. 04 Liberty 30R Auto Premium. 92.000kls. |
#9
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Re: Fuel gauge woes
So is that what this is:
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Elazar '08 ML550 daily driver '13 F150 work truck '87 MR2 racecar '92 Lsl Claret 5sp "Be kind to your motor car." - Jackie Stewart |
#10
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Re: Fuel gauge woes
It's really not a gas gauge anyways,, it's a fuel awareness device that when working keeps you guessing!!!
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1997 Polo Green SVX LSI #316 49,000, garage queen, aka "The Green Queen" 1997 Brilliant Red SVX LSI #200, 167,000, daily driver, aka"Rosie's Rocket I" 1997 Brilliant Red SVX LSI#234, 106,000, summer driver, aka"Rosie's Rocket II" 1988 Red & White Silverado, aka "The Hauler" 2000 GRAND MARQUIS LS w/ handling package, aka "BIG BLUE" 1988 Mazda RX7 Convertible, aka " Lil Blue " |
#11
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Re: Fuel gauge woes
......
__________________
Elazar '08 ML550 daily driver '13 F150 work truck '87 MR2 racecar '92 Lsl Claret 5sp "Be kind to your motor car." - Jackie Stewart |
#12
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Re: Fuel gauge woes
The two floats are there because the subarus have saddle fuel tanks and it uses both sensor to determine fuel level and the sub sensor on the drivers side has a tube with a pickup so that the fuel is sucked to the passenger side of the tank otherwise much below half a tank it wouldn't be able to get fuel over to the pump. The little sensor is a fuel temp sensor. Be aware i had a mouse chew my fuel level sender wires under the body ontop of the fuel tank requiring fuel tank removal for repair, causing intermittent fuel gauge operation.
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If you can fix one thing on your car every day no matter how small imagine how great your car will be after a year. Never overlook small repairs you will be suprised the difference they make. |
#13
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Re: Fuel gauge woes
my car has developed a fuel gauge issue also. Its always been about 4 gallons off on 1/4 tank on down, but not the gauge stops working when it wants to, and doesnt read accurately at all anymore. I'm wondering if its a bad connection somewhere, or if a parts been known to fail on these cars?
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92 Svx 4.44 swap 198k miles. Toyo Garit KX tires.. my Icetrack car 86 Lifted GL wagon well over 600k miles on the chassis 98 Outback 5 speed 6 inch lift, forester struts/springs 29" tires |
#14
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Re: Fuel gauge woes
you can always pull the fuel senders out and manually sweep the floats and check the resistance with a DVOM to see if you may have one of the two falling out below a 1/4 tank the resistance change should be linear to the movement of the floats. worth checking out anyways.
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If you can fix one thing on your car every day no matter how small imagine how great your car will be after a year. Never overlook small repairs you will be suprised the difference they make. |
#15
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Re: Fuel gauge woes
Quote:
Glenn
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"The only thing necessary for the triumph of evil is for good men to do nothing" Aaron Burke 1993 25th Anniversary Edition #63 of 301. R.I.P. Rojo 7/24/2008 She saved my life! 1997 Ebony Mica Pearl LSI. BLACKBERRY 1998 5-Spd Legacy GT Wagon in Glacier White: NUBURU 2005 Cadillac STS in Sandstorm Metallic: STORMY Veteran and farthest traveler of 1st SoCal2MuseumsMeet2010. http://www.subaru-svx.net/photos/user.php?RojoRocket |
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