Question about 1999 Buick Park Avenue

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1999 buick park avenue gas gauge fouled

It may be the float on the fuel pump but I can turn a corner and it shows Ive got a full tank of gas...or vice versa. Just bought this car and havent had time to mess with it

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  • Buick Master
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You may be right. the float (sending unit) may be bad . i would also check the connections to sending unit and pump. this is located at rear top area of the gas tank.


the last thing that i have seen is the baffle inside the tank breaks free and moves around in tank banging into sending unit (float). when you remove the sender and pump form tank stick your hand into hole and make sure baffle does not move. if it does then tank must be replaced.


There is a ground to the frame in the rear area of the tank. i would look at that also. if you follow black wire from connector you will see it go to frame or to be specfic the unibody. i dont think it would be that but just make sure. if it were to be that wire you would have fuel problems but who knows for sure there sometimes two grounds, one for pump and one for sender. good day.

Posted on Feb 23, 2012

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Posted on Jan 02, 2017

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SOURCE: Gas gauge has stopped working on 1998 Buick Park

If it was the sending unit, it is accessible through the trunk floor. A problem I have with my Park Ave gas gauge is when I get a dead battery and try to start the car, the needles will twitch and it sends my gas gauge needle to the far right side. This causes it to rotate/fall under the proper gauge are and come up under the rest pin on the left side. When that happens, I have to pull my whole instrument cluster and rotate it around so the needle goes back up to the top.
Check where you needle is the next time you turn the key to run. If its under the little rest pin at the empty position of the gas gauge, then this should be the fix.

Posted on Sep 12, 2009

  • 1 Answer

SOURCE: to erase tire pressure reading

Make sure you put air in tthe tires, then find the reset button in the fuse box inside the car if not you can unplug the battery then put the battery back on.

Posted on Apr 14, 2009

  • 1 Answer

SOURCE: location of fuel float in 2000 buick park avenue

Inside the trunk floor near the back seat on the right, you will need to take an air gun to blow out the dirt and grime before you raise the pump out of the tank, The hatch is held on by some small screws.

Posted on Mar 27, 2011

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Sorry to tell you this, it will have to be redone. This time when you pull the unit out of the tank, take a moment to connect the battery, connect the electrical connector to the pump module, turn the key to on, then check that raising and lowering the float arm makes the gauge read right.
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Possibly your sending unit is bad in the tank or the wires to your fuel pump has a short. It also could be the gauge itself. First check wiring under the car going to the fuel tank before you do anything else because This is a common problem I have seen before.

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1999 buick when fuel gauge drops below 3/4 it is is not accurate


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Nov 23, 2009 | 1999 Buick Regal

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Fuel level indicator stayed stuck one day and then seem to shack itself correct. mechanic wants to change the "fuel level sender". could it be any other issues that I can check myself? Vaccum hose? float?


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Jan 27, 2009 | 1999 Buick Park Avenue

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