Question about 1985 Chevrolet S-10

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Fuel gauge reads past full all the time+ - 1985 Chevrolet S-10

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  • 45 Answers

It is your fuel sending unit. It is bad. In order to replace it, you will have to drop the fuel tank in order to get to it.

Posted on Jul 03, 2010

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Posted on Jan 02, 2017

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TOWNSEND351
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SOURCE: Fuel Gauge stuck on full reading

replace fuel pump/Fuel gage sending unit (All in one) also wire pigtail to asmbly Pontiac Montana's are prone to wire falures and shorts $300+ if done in drive way alot more if you have a shop do it!
P.S. REPLACE ASMBLY WITH AS LITTLE FUEL IN TANK AS YOU CAN...!

Posted on May 04, 2009

  • 497 Answers

SOURCE: 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.

Posted on Aug 27, 2009

  • 58 Answers

SOURCE: '01 chevy venture fuel gauge doesnt read correctly reads all over

fuel sending unit located on the fuel pump in gas tank

Posted on Jan 13, 2010

  • 4 Answers

SOURCE: have a 1981 chevy silverado c10 and the fuel gauge

i have the same truck and it always is past the full line and as the fuel goes down the gauge will go down. just drive the truck. thats the cheapest way i can think of

Posted on Jul 19, 2010

DrSpeedo
  • 294 Answers

SOURCE: 2003 chevy silverado, fuel gauge started registere...

Common problem on the 03-06 Silverado instrument clusters for the fuel gauge to go out. It's usually caused by one of two main problems, either the stepper motor on the cluster's circuit board is going out or the sending unit on the fuel pump is going out. Check out this blog post about the problem - Silverado fuel gauge problems

Posted on Sep 30, 2010

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1 Answer

Why would Fuel gauge fluctuate erratically then shake at blinding speed?


Bad sending unit, bad ground, bad gauge, I have seen sending unit go bad they will work part way.

Jan 02, 2016 | Cars & Trucks

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Why does my 2005 ford mustang fuel gauge read way past full?


does it go back down afterward , do not worry about it , normal ,

Oct 21, 2014 | 2005 Ford Mustang

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I have a97 chevy c1500 the fuel gauge never worked,so i put a new sending unit in still dont work gauge reads past full @all times can anyone help


Your problem with you fuel gauge is not the sending unit or the gauge in the cluster. You have a broken ground wire in the the harness that goes to the sending unit. look for broken wires or wires that have bin picked with a test light they will have corrosion

Jan 26, 2014 | Chevrolet Cars & Trucks

1 Answer

Fuel gauge reads correctly then goes to empty


9 times out of 10 the fuel pump/level sender assembly is the cause. Sometimes the gauge pod is faulty, and there have been cases where there were either poor connector pin fit issues and/or chaffed/melted/cut wires in the harness that leads back to the fuel pump. It is an extremely common fault and would be surprised if the pump/level sender assembly wasn't the cause.

I hope this info helps!
~subyguru~

Sep 21, 2012 | 1999 Pontiac Grand Am GT

1 Answer

Gas gauge is reading full at all times


fueltank sending unit inside fuel tank is broken or the wire is disconnect.when guage reads past full that means the guage is not getting a signal from fuel tank

Feb 14, 2011 | 1998 Ford Windstar

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I have a 2004 Impala SS and yesterday the fuel gauge started reading weird. It does not go back down to empty when turned off like it is stuck and when started goes way up past the full line when I know...


see your dealer they can perform a sweep test on the ipc gauges.this will let you know if its the gauge or the fuel level sensor or circuit that connects the two..in my experiance any gauge that is stuck and does not return needs replaced because at key off it has no power..

Oct 30, 2010 | Chevrolet Impala Cars & Trucks

1 Answer

Fuel guage reads on quarter full when tank is full. Im thinking sender unit but wanted to check first.


best way to test is to jack up the car support the rear with jack stands and wheel chock the tires so it doesnt roll, locate the wires to the fuel tank sender and unplug , gauge should go way past full unplugged revealing the gauge should be ok, ground the same gauge wire and the gauge should read past empty, this will test not only the gauges credibility but also the integrity of the wires and ground in the system.
If the gauge checks out good which 90% of the time they do, you must drain the fuel tank disconnect the fuel filler tube,and all fuel lines and electric connectors, unthread the fuel sender cover and remove the fuel tank sender and fuel pump assembly from the tank, seperate the two carefully in order to replace the fuel sender assembly, be careful not to bend the fuel float arm when assembling back into the tank, it is only a tiny rheostat that is controlled by the upward/downward motion of the float arm and can easily ruin the rheostat windings if the arm is forced too hard during installation.
Happy motoring!!

Jun 09, 2010 | 2004 Jaguar XJR-Series

1 Answer

1997 blazer my fuel gauge reads past full all the time how can you tell if the gauge is bad


I would guess that your sending unit from the tank is grounding out which means it need to be replaced in most cases. If the gauge is bad, it will usually effect the other readings in the cluster.

May 06, 2010 | 1997 Chevrolet Blazer

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