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Mercedes 380sl fuel gauge sticks

Fuel guage will read half full for example then drop to 1/4 it doesn't show a consistent amount of fuel

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: fuel gauge problem

The nature of the gauge is that it should behave with a linear taper between full and empty. If it works when full but then malfunctions as the level drops, the variable resistor in the sending unit which is housed along with the fuel pump in the gas tank is almost certainly at fault. The sending unit will have to be replaced to fix the problem. Expect this to be an expensive endeavor.

Posted on Aug 16, 2008

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SOURCE: mercedes a140 fuel guage fault

got a feeling your tank float is sticking if it resets after you shake the car side to side this is it. if not try your remote fuel sensor

Posted on Jan 20, 2009

pippall
  • 1486 Answers

SOURCE: fuel gauge inaccurate

Change the fuel gage sender unit in tank.its faulty.

Posted on May 30, 2009

emissionwiz
  • 77186 Answers

SOURCE: Wacky fuel gauge.

to coorrect this u will need to pull the gas tank and replace the fuel gage sending unit inside the gas tank, hwerwe is the part number for the fuel module which has the seding unit in it.
ACDELCO Part # SK1158

Posted on Jul 06, 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

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1 Answer

Suzuki virara v6 ex sender earth wire


we, usa only have Grand vitara's in 05.???
our car if you scan it will show intermittant sender DTC errors.
P0464

the fsm BOOK cover these tests.
you unplug the connector, shown.
you attach and DMM , set to ohms.
about 2 to 150 ohms is range. low is full, 150 empty.
on mine, 32 ohms is 1/2 full. but as always, RTM
read the manual. the FSM.
or at alldata.com

the book shows what resistance for the sender equals 1/2 full
easy huh, a $10 meter and bam, the answer , no guessing
and draining a tank of fuel and wasted 5hrs labor +

pull the connector to sender
turn on key , guage must go to empty.
if not the wiring or gauge (rare) are bad.
if yes, the sender is hosed. (or jammed)


https://suzukipitstopplus.com/Products/1145-2004-vitara-service-manual.aspx

Jul 04, 2014 | 2005 Suzuki Vitara

1 Answer

2007 Subaru WRX Fuel gauge does not work porperly. When the tank is topped off, the fuel gauge reads full, but after much driving the gauge only drops to 3/4 a tank and slowly to half of a tank on the...


hi it can really only be two things, first is the fuel sender on the pump inside the tank it could be stuffed or sticking causing a false reading, second it can also be a faulty fuel gauge on the dash.

Apr 15, 2011 | 2007 Subaru Impreza WRX Sport Wagon

1 Answer

Fuel& Temperature Gauges are sticking Example gas tank full of fuel but only reads half full, temperature reads hot but engine is running at normal temperature What is wrong and how can we fix it


they could be seperate problems. the fuel level sender in the tank may be bad. the 2 wire coolant temp sensor may be faulty. there may be a bad ground some where or a bad connection in the harness. although it is common for the circuit boards in the cluster to go bad and you get funny readings on one half or the other. i would start diagnosing the cooling problem first. those engines have an air bleed valve above the t-stat. make sure there isnt a pocket of super heatad steam in the system (first indication of a small leak). the cts also controls the fan relays through the pcm. are the fans comming on as the temp guage passes half way? what does the guage do when the key is on, engine off, cts unpluged, and the connector jumpered or grounded? the guage should have a full sweep if it doesnt sweep the cluster or harness are suspect

Aug 11, 2010 | 1992 Buick Regal

2 Answers

Fuel Gauge Stuck on Full 98 Pontiac Montana


When gauge is pegged at full, usually means a bad ground. Check wires at fuel tank, wiggle around, maybe one came off. The bad news is it is hard to get to without removing the tank. Sometimes you can reach arm in and get to them. Also check body ground at read of van.

Jul 17, 2009 | 1999 Pontiac Montana

1 Answer

Fuel gauge on 1993 Dodge Dakota V8


Definitely the gauge can be changed, provided the float in the fuel tank is OK, i.e. no leaks. This float connects to a potentiometer which records the current flowing thru it and displays it in the gauge. So before replacing the gauge measure the current and match that against the quantity of fuel in the tank...............sodeep

Jun 25, 2009 | 1992 Dodge Dakota

1 Answer

Fuel gauge inaccurate


Change the fuel gage sender unit in tank.its faulty.

May 30, 2009 | 2001 Jaguar S-Type

1 Answer

Trying to fix fuel guage on 1987 chevy van 20. replaced sending unit now the guage doesnt show the correct amount. if you unplug the wires it goes to full,otherwise it sticks on about one fourth tank


U have a gauge problem, the quick test is the one u did, if it goes to full with sender is disconnected the sender signal is there, nothing left but either a poor connection to the gauge or the gauge itself, I would go with the gauge.

Mar 20, 2009 | 1987 Chevrolet G20

1 Answer

Mercedes a140 fuel guage fault


got a feeling your tank float is sticking if it resets after you shake the car side to side this is it. if not try your remote fuel sensor

Jan 12, 2009 | 1994 Mercedes-Benz C-Class

1 Answer

Fuel gauge showing empty


open circuit in the fuel level sensor. mounted in tank. as the fuel level in the tank starts to drop the arm will move past the dead spot on the sensor and the gauge will start reading again.i dont recommend diy replacement of the fuel level sender.

Dec 12, 2008 | 1995 Cadillac DeVille

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