Question about Mercedes-Benz Sprinter

1 Answer

Hello, has anyone had a fuel guage problem where the guage just goes from empty to full whilst driving along, its on a 2005 308 cdi sprinter, any solutions would be appreciated thanks brett

FUEL GAUGE PROBLEM

Posted by on

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Master:

    An expert who has achieved Level 3.

  • Master
  • 359 Answers

The fuel gauge works on an electric pulse. if it is unplugged it will go to empty if it is plugged i it will go up as fare as the tank is full. if it goes higher then the known fuel lvl. you have a bad gauge if it goes up and down when you know it is full you have a bad connection

Posted on Apr 12, 2015

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

  • 51 Answers

SOURCE: wrong reading on fuel gauge

Normally this problem is due to a bad sending unit. The sending unit is the actual device which transmits the level of fuel in the tank to your fuel gauge. The most common cause is a stuck float. The device works by means of a flotation device, often made of a petroleum resistant plastic encasing a foam or cork "float, " which is attached to a light weight metal arm. The arm moves as the float raises and lowers with the level of fuel. This arm connects to a switch which increases and decreases resistance in the circuit. If the arm is stuck or if the float is allowing fuel in it you will get an inaccurate reading. A "logged" float (one filled with fuel) usually reads below the level, whereas an arm which is sticking will read above the level. Now, if the gauge has been reading this way since the car was brand new, the other likely cause is that the needle may have been improperly placed on the gauge at the factory, or the windings in the gauge may be under or over wound causing the inaccurate reading. If you are mechanically inclined you may be able to replace the sending unit yourself. Keep in mind this can be a dangerous procedure for a first time mechanic as it may involve removing the fuel tank from the vehicle. Some vehicles offer access to the upper portion of the fuel tank via an opening located in the trunk under the trunk mat/carpet or under the back seat. If this is the case removal of the fuel tank is not normally necessary, but you will still be working with the fuel tank. If you are able to do this procedure in the vehicle, keep in mind you will first want to disconnect power to the fuel pump and sending unit. You can disconnect the negative battery cable, but I believe on an the kadette you will need to obtain a special cable from your local auto part supply to maintain power to the ECU or PCM to prevent damage to the computer or loss of programming. At the very least remove the fuel pump relay and disconnect any fuse/relay related to the dash gauges prior to beginning this operation. Also be sure to remove the fuse for any possible ignition source inside your vehicle, such as dome and courtesy lights. Keep cell phones away from the work area as well. If you use a "trouble light" be sure it is marked as safe for use near fuel fumes. Keep doors or windows of the vehicle open to allow vapors to escape so you don't suffer any ill effects and to further reduce ignition hazards. If you must remove the fuel tank, practice good safety. Do not be under the tank at any time. Be sure to remove it with very little fuel in it. Go slowly and be sure you don't break any wires or lines. It is a very involved process and may be best left to a certified mechanic or at least one who is very experienced. Keep me posted and let me know if this helps!

Posted on Feb 01, 2009

  • 401 Answers

SOURCE: my 2002 monte carlo`s fuel gauge fluctuates from full to empty

Hi you need a fuel level sensor

Posted on May 13, 2009

  • 2 Answers

SOURCE: gas gauge reads empty but tank acts like it's full

I also have a 04 with a 1.8L. same problem. I took the fuel regulator off. It is a black box behind the rear tire under car. It only has 2 bolts to take off. After that there is a couple of vent hoses from the tank going to this box. Unplug them and 1 electrical connection. The electrical connection and one vent is connected to a T connection on the box that you can unplug by twisting on the T. Take that T off and look inside where you unplugged the hose on this T. There is a spring and a little plunger inside this tube. The plunger gets stuck. I took a little screw driver and some PB blaster and worked that plunger back and forth a couple dozen times and it unfroze. Put it back together gassed up just fine. I did not look but I was told regulator can be replaced for 200$. But a can of blaster is cheaper.

Posted on Jun 10, 2009

  • 580 Answers

SOURCE: 2001 hyundai sonata 4 cl can't pump fuel into tank @ normal rate

The sending unit in your tank is going bad replace it.

Posted on Jul 10, 2009

  • 82 Answers

SOURCE: put in new float unit on fuel pump.gas gauge still not working

did you replaced just the float , because if the resistor that messures the level is not good you didn't do any thing you have to change the level sensor next to the pump..,Im sure that;s all the problem, you should also check the wiring next to the pumpand any connector down there

Posted on Aug 02, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

2 Answers

When my fuel tank is full the guage registers empty


Could be a problem with the gauge in the instrument cluster, or the wiring that goes back to the tank, or the sending unit in the tank.
The sending unit has a float much like your toilet which could stick or fail to move.

Jan 24, 2013 | 1994 Dodge Grand Caravan

1 Answer

Fuel gage goes from full to emty all the time. when it first stated it only did it with quater tank or less.


Sounds as if the SENDING UNIT in the tank is faulty. They work by RESISTANCE, so when the contacts on the fuel guage sending unit in the tank get worn, it will send incorrect data. Typically it will say full when the actually IS full, then, when the tank is 3/4 full, it will say EMPTY, and then, as you use more fuel from the tank, the guage will go from what is REALLY in the tank, to empty, at different times.

Only solution is to remove the fuel tank, and replace the sending unit guage assembly.

Jun 11, 2011 | Oldsmobile Aurora Cars & Trucks

1 Answer

Fuel gauge is on empty and the low fuel light is on, but the tank is full


u either have a bad level sensor in the tank or the guage is bad. u need to get wiring diagram and find connector for fuel sending unit and jump wires to trick guage into thinking it is full if it still say empty u need instrument cluster if it goes to full it level sensor in the tank

Feb 23, 2011 | 2002 Saturn VUE

2 Answers

Fuel guage doesnt work. ive tracked down all i can. Anyone got any suggestions. 1983 grand marquis 302 fuel inj


Open circuit - gauge will read full.Grounded circuit - the gauge will read empty. If it reads empty all the time - then the wire that goes to the sender is broken and/or grounded somewhere along its length to the fuel tank. run a jumper wire from bottom of the fuse box in the spot, all the way to top of sending unit on tank. disconnect old wire at both ends, and then turn on the key and observe guage. if not this, check guage itself for sticking.

Apr 29, 2010 | 1983 Mercury Grand Marquis

1 Answer

Fuel guage not working correctly


your gauge is part of the integrated unit in the fuel pump module

Sep 12, 2009 | 2005 Chevrolet Malibu

1 Answer

Fuel guage 2001 chevrolet silverado 1500


Hi
We have the same truck that does the same thing.
The fuel sender in tank is faulty. It is in your gas tank. Common chevrolet problem.

Apr 02, 2009 | 2001 Chevrolet Silverado 1500

2 Answers

Fuel gauge / range meter


this is an old post so not sure if problem has been resolved ?? but if not ? from your symptoms it sounds like the fuel tank sender unit is faulty and unfortunately not servicable but not too expensive to diy a new unit for a quick confirmation it is sender ? remove the wire from sender unit then scratch /hold to good earth whilst ignition is turned on and fuel guage is read by assistant ? if guage goes to full ? sender is faulty hope this helps?

Jul 25, 2008 | 2006 Hyundai Sonata

Not finding what you are looking for?
Cars & Trucks Logo

Related Topics:

80 people viewed this question

Ask a Question

Usually answered in minutes!

Top Mercedes-Benz Experts

Colin Stickland
Colin Stickland

Level 3 Expert

22095 Answers

yadayada
yadayada

Level 3 Expert

75077 Answers

Michael Contreras
Michael Contreras

Level 2 Expert

166 Answers

Are you a Mercedes-Benz Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...