Fuel Level Sensor A, Left Or Right? - Hyundai Forums : Hyundai Forum
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#1 Old 03-18-2011, 11:42 PM
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lukaspanic
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My wife's 2004 Santa Fe throws a code P0463, Fuel Level Sensor A Circuit High Input. I am now looking to find the right part. In the Hyundai parts list I have, the sensors for the two saddles of the tank are named R and L. Which one is A and which one is B?
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#2 Old 03-19-2011, 10:56 AM
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QUOTE (lukaspanic @ Mar 18 2011, 11:42 PM)
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My wife's 2004 Santa Fe throws a code P0463, Fuel Level Sensor A Circuit High Input. I am now looking to find the right part. In the Hyundai parts list I have, the sensors for the two saddles of the tank are named R and L. Which one is A and which one is B?
The best thing to do is replace both of them... it is the most goofed thing they come up with..

When working with the right side, make sure the hole in the bracket is large enought that the float arm can move freely.. used to be problem on older production, but look before you re-assemble.

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#3 Old 03-19-2011, 10:12 PM
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lukaspanic
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QUOTE
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The best thing to do is replace both of them... it is the most goofed thing they come up with..
Why is that? Is it just the easiest way to do it? I have to save money so I'd prefer to do only the one that is malfunctioning unless there is a good reason not to. I can always replace the other one later if necessary.

QUOTE
Quote:
When working with the right side, make sure the hole in the bracket is large enought that the float arm can move freely.. used to be problem on older production, but look before you re-assemble.
Thanks for the advice! I will definitely keep an eye on that.
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#4 Old 03-19-2011, 10:45 PM
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The DTC as called out at HMASERVICE says "A" circuit.... the sensors is in series...

Ground -----> sensor --------> sensor ------> gauge ,,, with PCM tapped into the line between the sensor and gauge..

So to test them.... you will need to remove both of them, and compare valuse to table posted at the site.. this site will not allow attach of SVG images, so I cannot swipe from Hyundai and post them here.. you'll have to go get them. If you going to take both out, easier to put 2 new units back in..

We having problems with the 2007-2009 senders.. book leads to replace 1 sender, give it back, only to come back witih same code... tech called Hyundai on this, their response was, replace the other side, it will set code same code.. NO, it was not me.. I had 1 recently, and based off what happened to co-worker, customers service policy company bought both sides.. I wasn't going to take a licking on the job.


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#5 Old 03-20-2011, 12:32 AM
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lukaspanic
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OK makes sense. Thanks sbr711

PS: I got an account for hmaservice, I'll check it out
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#6 Old 03-20-2011, 12:51 AM
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One more question: can I only use a sending unit from an 04 or is the 03 or 02 the same unit? Also is there a difference between the 4cyl and the v6 or 2wd or 4wd?
Oops that was two questions...

mine: 2004 Santa Fe 4 cylinder 2wd

Thank you
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#7 Old 03-20-2011, 10:32 AM
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Should be same... the differences you as is only engine and driveshaft related... fuel tank appears same in any SM chassis, but need to verify with Hyundai parts dept to application..

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#8 Old 03-21-2011, 09:53 AM
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QUOTE (sbr711 @ Mar 20 2011, 09:32 AM)
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Should be same... the differences you as is only engine and driveshaft related... fuel tank appears same in any SM chassis, but need to verify with Hyundai parts dept to application..
Thank you! Please let me know if you find out for sure.
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#9 Old 04-04-2011, 09:27 PM
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I finally found the time to look into the issue, or under the seats to be precise. Both sides, the drivers side with the fuel pump and sensor and the passenger side with the other sensor were really dirty, they looked like a river bed. I am beginning to wonder if the vehicle was flooded. CarFax doesn't say anything but then again CarFax only knows whats reported.
However, it seems that the passenger side sensor had a short and burned through the cables. Both wires were completely disconnected. I fixed them and the fuel gauge works fine again. This answers my original question: Fuel level sensor A is the passenger side. Repair cost: $0
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#10 Old 04-06-2011, 06:41 AM
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Good work lucaspanic

If it was my local dealer they would have replaced both sensors, and maybe even the tank, and thought nothing of putting the charges on your Credit Card, and Greeted you with a wide smile, as they run out the door to pick up coffee and donuts for the gang.. ! Sorry
Have a look here , http://www.hyundai-forums.com/index.php?sh...mp;#entry405034
I had my tank off recently and it was a mess as well....
I think a lot of the rust is due to the salt used here...
I'm happy to hear your CEL light is staying off...
You might also pull your cover of the fuel filler pipe , left rear well...
Mine was full of dirt and resulted in rusted thru filler pipe

Regards whacker
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