fuel tank sending unit may be in my future

ssety · 11-24-2009, 10:45 AM

I got my 96 SS from a widow whos husband had passed 5 years ago and the car has been sitting for just as long. It would crank but not start. A freind put his tech machine on the car and could not trigger the fuel pump so I new what I had to do... or did I? The fuel gauge hovers around 3/4 full with the engine running and sways from 1/4 to 3/4 when driving, especially around turns. Sounds like I need a fuel sending unit. Dough!!! I just had the tank off too!%#*&%!!!

Gregg-O · 11-25-2009, 01:06 AM

Try running a couple of bottles of Techron through it, see what that does.

ssety · 11-25-2009, 08:12 AM

Thanks for the tip. I had recently talked to a vehicle technician and had asked him this. The car has been setting for many years, I put a new fuel pump in the tank only to realize that the sending unit was not working. I could imagine the sending unit stuck in a certain position but if I drove the car for a while, couldn't brake free from vibration, bumps and jolts? He smiled and said that would not happen. I like your idea from a cost stand point and if it doesn't work then I will have to put a sending unit in it. How many miles of driving do you think I should give it to brake lose before I buy a sending unit?

POPIMPIN CUSTOMS I.N.C · 11-25-2009, 12:46 PM

Quote:

Originally Posted by ssety

Thanks for the tip. I had recently talked to a vehicle technician and had asked him this. The car has been setting for many years, I put a new fuel pump in the tank only to realize that the sending unit was not working. I could imagine the sending unit stuck in a certain position but if I drove the car for a while, couldn't brake free from vibration, bumps and jolts? He smiled and said that would not happen. I like your idea from a cost stand point and if it doesn't work then I will have to put a sending unit in it. How many miles of driving do you think I should give it to brake lose before I buy a sending unit?

first of all how much is a sending unit (ive replaced 3 pumps no sending units) and also if u do it yourself u dont pay for labor ( takes maybe 2 hours w/ 1 person ) its seriously like 3 bolts.... but id give it a couple of tanks of gas?... i think it could happen

Gregg-O · 11-27-2009, 04:17 AM

Took about 4 tanks before my gauge started reading close to normal again.

ssety · 11-27-2009, 11:39 AM

I am definitely going to give it some time before I replace the sending unit. I took the SS out yesterday (Thanksgiving day), put 3.5 gallons of Mobile 93 octain in and put a few miles on it. When I had the new fuel pump put in, the technician only put a few gallons of gas back in the tank. So before yesterday, it hardly had any fuel in it. When I brought the car back home from the fuel pump install, the fuel gauge was showing about 3/4 of a tank. Yesterday after I put gas in it, it was just below half a tank. I do not drive the car very much but I will try the Techron and after that maybe some Marvel Mystery oil in the tank. I know that stuff is a good lubricant. I think that sucker is gonna start working. Wish me luck !

POPIMPIN CUSTOMS I.N.C · 11-27-2009, 12:29 PM

and see my gauge never goes past 1/4 tank thats my empty mark ( didnt know when i bought the car ) until i ran out of gas .... so 1/4 mark is my empty lol

BAD IMP · 11-27-2009, 07:57 PM

Well good luck and I hope it starts working for you. Just be prepared to change it out. If you change it get a quality one. With my son's 94 Fleetwood we bought one from Autozone and it failed 2 months later, so I bought one from RMSauto.com. It cost more but well worth it.

11-24-2009, 10:45 AM	#1 (permalink)
ssety Member Join Date: Nov 2009 Location: Ft Myers, Florida Posts: 43	fuel tank sending unit may be in my future I got my 96 SS from a widow whos husband had passed 5 years ago and the car has been sitting for just as long. It would crank but not start. A freind put his tech machine on the car and could not trigger the fuel pump so I new what I had to do... or did I? The fuel gauge hovers around 3/4 full with the engine running and sways from 1/4 to 3/4 when driving, especially around turns. Sounds like I need a fuel sending unit. Dough!!! I just had the tank off too!%#*&%!!! __________________ eBay - eBay Motors

11-25-2009, 01:06 AM	#2 (permalink)
Gregg-O Senior Member Join Date: Mar 2008 Location: Phoenix Posts: 505	Try running a couple of bottles of Techron through it, see what that does. __________________ eBay - eBay Motors

11-25-2009, 08:12 AM	#3 (permalink)
ssety Member Join Date: Nov 2009 Location: Ft Myers, Florida Posts: 43	Thanks for the tip. I had recently talked to a vehicle technician and had asked him this. The car has been setting for many years, I put a new fuel pump in the tank only to realize that the sending unit was not working. I could imagine the sending unit stuck in a certain position but if I drove the car for a while, couldn't brake free from vibration, bumps and jolts? He smiled and said that would not happen. I like your idea from a cost stand point and if it doesn't work then I will have to put a sending unit in it. How many miles of driving do you think I should give it to brake lose before I buy a sending unit? __________________ eBay - eBay Motors

11-27-2009, 04:17 AM	#5 (permalink)
Gregg-O Senior Member Join Date: Mar 2008 Location: Phoenix Posts: 505	Took about 4 tanks before my gauge started reading close to normal again. __________________ eBay - eBay Motors

11-27-2009, 11:39 AM	#6 (permalink)
ssety Member Join Date: Nov 2009 Location: Ft Myers, Florida Posts: 43	I am definitely going to give it some time before I replace the sending unit. I took the SS out yesterday (Thanksgiving day), put 3.5 gallons of Mobile 93 octain in and put a few miles on it. When I had the new fuel pump put in, the technician only put a few gallons of gas back in the tank. So before yesterday, it hardly had any fuel in it. When I brought the car back home from the fuel pump install, the fuel gauge was showing about 3/4 of a tank. Yesterday after I put gas in it, it was just below half a tank. I do not drive the car very much but I will try the Techron and after that maybe some Marvel Mystery oil in the tank. I know that stuff is a good lubricant. I think that sucker is gonna start working. Wish me luck ! __________________ I'm gonna bite you!

11-27-2009, 12:29 PM	#7 (permalink)
POPIMPIN CUSTOMS I.N.C Colorado INC President Join Date: Nov 2008 Location: COLORFUL COLORADO Posts: 1,115 View My Garage POPIMPIN CUSTOMS I.N.C	and see my gauge never goes past 1/4 tank thats my empty mark ( didnt know when i bought the car ) until i ran out of gas .... so 1/4 mark is my empty lol __________________ ALL RWD! 1991 CAPRICE CLASSIC ALL STOCK 5.7L 350 TBI (NOT LT1) CUSTOM 20'S HAD 220000 + MILES SOLD IT AND HATE MYSELF 4 IT LOL 1995 CAPRICE 9C1 W 350 LT1 240000 + DAILY DRIVER STOCK WHITE UNDERCOVER 7 INCH TOUCHSCREEN 2 15'S CVR&CVX 4/20/09 muff delete IMPALA SS RIMS PROUD OWNER OF ALL ORIGINAL 1965 OLDSMOBILE STARFIRE !! W STOCK 425 BIG BLOCK 375+- HORSES MY LT1 EATER ONLY ONE ON CARDOMAIN!! http://www.cardomain.com/ride/2417157

11-27-2009, 07:57 PM	#8 (permalink)
BAD IMP Senior Member Join Date: Nov 2008 Location: Las Vegas, NV Posts: 385 View My Garage BAD IMP	Well good luck and I hope it starts working for you. Just be prepared to change it out. If you change it get a quality one. With my son's 94 Fleetwood we bought one from Autozone and it failed 2 months later, so I bought one from RMSauto.com. It cost more but well worth it. __________________ 1996 Impala SS DCM, Powerdyne Supercharger 6 psi, 3.73s, Snow Performance Water/Meth injection, Borla catback system, PCM reprogam by trifectaperformance.com, Grotyohan long tube headers, Magnaflow high flow cats, Hotchkis springs, front and rear sway bars, Bilstein shocks, Vigilante 3000 stall TC.

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