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You are watching: 2002 cadillac deville fuel gauge problem


i have a 2001 cadillac deville dhs and I"ve i found it that once my fuel level is under fifty percent then mine gauge will show various reading one min it"ll say its practically empty then it"ll say its full n that keeps jumping approximately but the will just do this once the gas is under half, anyone understand what it could be?
Re: 2001 cadillac deville fuel gauge problemIt is a really common problem. The fuel sending out unit is goobered up and therefore is not giving you a clear reading. GM sell a fuel additive that you put right into the tank the will resolve the problem about 75% that the time. Over there are also a couple of generic ones girlfriend can gain at, to speak a Wal-Mart, that will carry out the exact same thing however I to be unsure i m sorry ones work the best.
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Re: 2001 cadillac deville fuel gauge problem
So have actually you do the efforts this the end yet??? ns am an extremely interested in this thread since my 97 Deville is law the very same thimg and drives me increase a wall..
Re: 2001 cadillac deville fuel gauge problem
If that doesn"t job-related then the part is a 30 dollar component (although GM will sell you one for around 100 bucks) and a 1 hr task to pull the fuel pump on a 2000 and later Deville or Seville to change the fuel level sender. On earlier cars you should drop the fuel tank, not a funny proposition.
Re: 2001 cadillac deville fuel gauge problem
Hey Marc no to be a thread hacker... If this additive doesnt job-related for my 97 Deville I need to drop my tank to exactly this problem?? and also when and if i had actually to fall the the tank what part or components do i need???? and what is the additive i am feather for????
Re: 2001 cadillac deville fuel gauge problem
Its one AC delco part number SK1005 GM component 25314217 (for a 97 deville). Its basically a 0 to 90 ohm potentiometer with a pair of wires top top it. Rockauto sells it for around 110 bucks, but you have the right to usually discover an equivelant one top top Ebay for about 25 to 30 dollars. Looks choose this one:

I placed one in mine 2000 Deville last year, took around an hour come do, but I have an access hatch in the trunk to gain accessibility to the fuel pump so i didn"t need to drop the tank. The sender is component of the fuel pump, however it is removable from the pump so friend don"t need to buy a new pump to solve the issue. The sender is a segmented potentiometer, in the there are about 24 individual segments arranged in a semicircle that 3 fingers wipe across the segments together the float move up and down in the tank. The difficulty is the the tiny fingers wear under over time, or the pivot wears the end just enough to allow the fingers to loose contact through the segments and the circuit basically open circuits and the dash guage goes come full.

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Hey Marc not to be a subject hacker... If this additive doesnt occupational for mine 97 Deville I have to drop my tank to correct this problem?? and also when and if i had actually to fall the the tank what part or components do ns need???? and what is the additive i am spring for????
To price your concern yes girlfriend do have to drop the tank I indicate that girlfriend wait till your tank is almost empty to carry out the job.Deville got the access panel in 2000Seville got it in 1999
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Re: 2001 cadillac deville fuel gauge problem
Thanks males for the assist I will be tackling this task within the next few weeks..Wish me luck should not it is in hard.
Re: 2001 cadillac deville fuel gauge problem
Just began happening to my wife"s 2001 deville. Can anyone offer me the surname of the share additive or a component number because that Gm"s - and also just an added info - the part at GM Parts straight is 125.00 - did"nt acquire a part # Thanks
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Re: 2001 cadillac deville fuel gauge problem
Techron, made (or distributed) by Chevron.http://www.chevron.com/products/prodserv/additives/tcp.aspx
Techron, make (or distributed) by Chevron.http://www.chevron.com/products/prodserv/additives/tcp.aspx
Re: 2001 cadillac deville fuel gauge problem
I own a 1999 D"Elegance with about 68K miles. I"ve had actually the same difficulty for months. Digital fuel gauge jumping native minute come minute. I check out all this threads, talking around replacing the "fuel sending out unit" in the tank. I bought one top top Ebay last week ($40.00), afer i ran out of gas twice in 2 months. I"m no equipped to drop the tank myselk, so i instructed my neighborhood mechanic to install it today ($150.00). Ahhhhhh I"m all set now...money wisely spent..... Not fairly ! Results...the digital dash fuel gauge reads the exact same way, tho wrong !!!!! In 10 minutes of driving, that reads F, 18, 17, 15, then 7, climate F, 8 and so on. I"m really perplexed (pissed) now and also my mechanic doesn"t have any type of other solutions to offer. Now I"m yes, really pulling mine hair out !! Guys.....Please aid me. Jump appropriate in with an additional solution. What do I troubleshoot next? What carry out I replace next?????Jim