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| fox_guy48 | Fuel gauge reads half when tank is empty | ||
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Guru
 
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hey guys any help would be aprectiated my 92 lt1 the fuel gauge is not reading correctly it is like a half a tank off when its half full its pretty much out of gas the guy i bought it from says its been this way for a long time im thinking the float might be messed up of is it the sender how easy is it to get to these componets is the a hidden door or do i need to drop the tank thanks Dan.
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Posted on: 2010/10/29 19:36
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| bogus | Re: Fuel gauge reads half when tank is empty | ||
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Grand Imperial Pooh-Bah
 
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Yeah... in short, the senders are absolute junk.
Access is seriously easy... 1. remove the 4 screws that hold the door on 2. remove the door 3. remove the gas cap 4. remove the rubber cover thingy 5. remove the bunch of 10mm screws. 6. disconnect wiring harness to sender. 7. try to start car to bleed off fuel pressure 8. disconnect fuel line (there will be some leakage) 9. remove assembly. the assembly contains the sender and pump. a few vendors offer a new sender, with pump. They ain't cheep... but one of these days, I am going to need one. My gauge isn't any better. |
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Posted on: 2010/10/29 20:31
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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| Matatk | Re: Fuel gauge reads half when tank is empty | ||
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You can carefully pry the sender apart and clean it with fine sandpaper and then reclose it and reinstall.
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Posted on: 2010/10/30 1:20
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| vetteoz | Re: Fuel gauge reads half when tank is empty | ||
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Senior Guru
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Quote:
http://forums.corvetteforum.com/c4-te ... -repair-tech-article.html Quote:
http://www.corvetterecycling.com/1989 ... nding_Unit_p/25027510.htm |
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Posted on: 2010/10/30 2:33
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| JAKEJR | Re: Fuel gauge reads half when tank is empty | ||
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Guru Newb
 
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While it's out you can also use a digital volt meter to check and tweak the float to give you the resistance readings you need.
I had the desired resistance numbers some years ago but can't lay my hands on them now. Hopefully someone will post them. Easy mod to do. Jake |
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Posted on: 2010/11/3 17:30
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My son, Ryan M. Cameron, graduated from West Point on 22 May 2010! He was commissioned as a 2nd Lieutenant and I pinned on his first pair of "Butter Bars" PROUDEST DAY OF MY LIFE!! 96 Vette; 388 CID, all forged bottom end, ported AFRs, etc. |
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| Matatk | Re: Fuel gauge reads half when tank is empty | ||
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Webmaster
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I think off the top of my head it's 10 ohms empty and 90 ohms full.
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Posted on: 2010/11/3 23:51
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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