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How do you change the plunger attached to your fuel gauge

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Hello. Fuel gauges are a pain to fix and get them to work right. The best thing to do is go to a well known junkyard that have good conditioned parts. Look for the same year and model of your car. Good Luck.

Posted on May 20, 2014

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Posted on Jan 02, 2017

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1 Answer

LOCATION OF FUEL LEVEL SENSOR?


The sending unit for the gauge would have been attached to the fuel pump in the tank.

Oct 20, 2015 | 2001 Buick Century

1 Answer

Just changed fuel pump on 2005 f250 4x4 and fuel gauge moves up tom 1/8 tank and reads low fuel on full tank, why is my fuel gauge not working correctly


The fuel sending unit rod was bent during the instalation giving you the false readings. This is the thin metal rod that attaches the float to the sender.

Sep 29, 2014 | 2005 Ford F 250 Super Duty

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Fuel gauge not working


Try filling half full then reverse pretty fast then slam on the brakes or drive forwards and slam in breaks may push the plunger to correct position if not then have the mechanic pull back out and fix the gauge arm"looks like a bent coat hanger with a plastic piece on the end"

Feb 16, 2014 | 1994 Cadillac Fleetwood

1 Answer

98 mercury villager


To bleed the fuel system you need to remove the plunger on the fuel rail. It is located where you hook up a fuel pressure gauge. Once it is removed have someone cycle the ignition key to the KEY ON ENGINE OFF position, or the accessories position, 2 - 3 times this will get all of the air out. Also place a tube on the fuel pressure fitting so that fuel doesn't spray all over the place. Once this is done replace the plunger and cycle the key 2 - 3 more times. This will ensure fuel is at the injectors

Apr 03, 2012 | Nissan Minivan Cars & Trucks

1 Answer

My 2001 FLHT's fuel gage jiggles wildly up and down while riding along. It is the only guage acting erratically. what could be the problem and how do I fix?


The problem is caused by the fuel sloshing around in the tank and the fact that Harley does not use a "dampened" gauge. The sending unit is a float attached to a rod inside the fuel tank. As the float rises and lowers, it changes the resistance of a variable resistor in the tank. The resistance is read by the gauge and converted into a reading that approximates the level of fuel in the tank. The reason the gauge is not dampened could be any number of reasons. Either Harley wanted to use a cheap gauge or a dampened gauge might allow you to run out of fuel because it reads the level of the fuel too slowly. In small tanks like the ones on motorcycles, this could be a problem. I know of no way to remedy the problem without changing the gauge and sending unit.

Good Luck
Steve

Jun 05, 2010 | 2005 Harley Davidson FLHT - FLHTI Electra...

1 Answer

My 1998 bonneville fuel guage is stuck on full. What should I do?


there is a plunger in the fuel tank that controls the gauge, have a mechanic check that, and worst case have a new gauge installed. and if you dont want to do any of those. just keep an eye on the amount of mileage driven and refuel as necessary.

Nov 06, 2009 | 1996 Pontiac Bonneville SE CA Value

1 Answer

She cranks, then catches but will not stay lit. acts like there is no fuel, but there is fuel at the discharge side of the filter


you need to know how much fuel is actually getting to the injectors. if it's throttle-body injected you should be able to observe a basically uniform conical fuel spray from below the injectors in the throttle body. if multiport injected, you can't see injector spray, but you can attach a fuel pressure gauge to the schrader valve in the fuel rail to see if the fuel pump is putting out adequately. if you don't have a gauge, my favorite redneck method (this is technically a bad idea, so please use all common sense if you do this...no smoking, no open flames, keep all spark plug wires attached, etc.) is to depress the plunger on that schrader valve w/ a small screwdriver for about half a second; if you get pretty wet w/ gas then your pump's probably ok, but you might have a problem where the injectors aren't getting the proper signal from the computer

Sep 29, 2009 | 1991 Ford F250

2 Answers

2002 Chevy Suburban: Fuel gauge reads empty, tank is half full


Youre gauge is controlled by a plunger in the fuel tank which is attached to the sensor and the fuel gauge. it sounds like when the plunger goes down half way its either getting stuck down lower then it should. Needs replacing. Any mechanic can do this install for you.

Aug 27, 2009 | 2002 Chevrolet Suburban

1 Answer

2000 chevy blazer fuel gauge


did you recently change the fuel pump? If so you needed to change the wire harness thats attached to the fuel pump, then if not, your floater need to be replaced inside your fuel tank.
How do I know? from experience.

Aug 19, 2009 | 2000 Chevrolet Blazer

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