I wasn't able to drive it for a week or so, and finally got around to filling it up (gauge went to past full). The fuel gauge responds to the total resistance of the two sensors. I have looked for answers to this problem but im pretty dumb when it come to resistors, relays and all that other stuff. soaked in pb blaster and still won't come. Hey all My AU1 XR8 hasent had a full tank of fuel for about 8 months. Done this many times. 2) The tank switches but the fuel gauge reads way past full as an open circuit and I am unsure of my fuel level. The truck was undercoated from the factory, so the undercarriage is in excellent shape. So any ideas on what to do?. You probably will need 2 bottles, maybe even 3. The reason this happens is because, as the temperature under the hood heats up, the oil in the gauge heats and expands, causing the needle to move without any kind of pressure change within the system. IIRC an open circuit will cause the fuel gauge to default to full. now my fuel gauge hasn't moved past the full line and i've been driving since i filled up. If the ground wire aint hooked up, it can't read right. Although some articles may be listed for an F-150 or Thunderbird, many of these apply to many different models such as Mustang, Crown Vic, Taurus, etc. com and as long as you have a near empty tank when you drop it, it not too bad. 4 l leaks fuel out of the top of the fuel tank when filling, the fuel stations pump does not shut off when the tank is full causing gasoline to be spilled on the ground. and gauge read full, and "miles to E" read 376 mi. I even tried using a jumper from the sending unit to the gauge using test leads. The range indicator starts at a fixed value if you clear the trip log, but if the trip log has some records in it, then the range is based on that. Fuel gauge stuck way past full, and only pulling fuel from the front tank, eventhough rear tank was selected? 1997 Ford F350, 7. This problem is solved by replacing the gauge cluster. If it were the sending unit then one of them would be accurate but its not. This is why I wondered if the float had got stuck. Temp gauge not working not over heating 00 f150 4x4 4. Expecting fuel price to drop I only put in 10 gallons for my round trip back home. The signals from the sending units to the module and from the module to the fuel gauge are square waves on this system. How it Works. Although some articles may be listed for an F-150 or Thunderbird, many of these apply to many different models such as Mustang, Crown Vic, Taurus, etc. With a full tank, it should read between 9 and 10 Ohms. The gauge is merely a volt/ohm meter and the float unit a variable resistor. My car has 98000 miles. Now I can get any movement out of it at all, Switched to the other tank and still wouldn't budge. Another common oil pressure gauge problem is a reading that's too high when your engine is idle or when it's turned off. Symptoms of a Bad Fuel Pump. My temperature gauge on the dash has been stuck on COLD for about a year. This is the cumulative affect and can result in the. What I can report is being full, it is showing the equivalent of just over 1/16 past full. Fuel gauge stuck way past full, and only pulling fuel from the front tank, eventhough rear tank was selected? 1997 Ford F350, 7. Ford F-150 2006 with 5. Symptoms of a Bad or Failing Fuel Gauge Sender. Fuel gauge stuck way past full - posted in Electrical: Hey guys, The fuel gauge in my lh is stuck way past full all the time. Your Ford Excursion will be happy to know that the search for the right Fuel Pump products you’ve been looking for is over! Advance Auto Parts has 14 different Fuel Pump for your vehicle, ready for shipping or in-store pick up. It was stuck on full. IIRC an open circuit will cause the fuel gauge to default to full. The fuel gauge has never accurately indicated the correct level. 5" Duff Lift, 2" Body Lift, new paint, extended radius arms, 2 1/2 w/Flowmasters and headers. Result- out of fuel early morning with family on highway. Fuel gauge is maxed out no matter which tank is selected. Note that some self-test steps may stop the gas gauge at 1/4, 1/2, and 3/4, as well. The LR3 was not happy about heading east and away from the mountains I guess, and suddenly out of the blue the fuel gauge dropped from 3/4ths of the way full to right above empty and then over the course of a minute it dropped down all the way and showed 0 miles of range. However, the fuel gauge is just the indicator; behind it is the vehicle’s fuel delivery system, and a major component of that system is the fuel sending unit, which measures and then sends the fuel gauge on your dashboard information about the tank’s current fuel level. if i drive 400 on a tank, ill be walking the last 50 miles. Any suggestions. Today I took the boat out for several hours just cruising, not pulling yet, and was cruising at 30mph when I noticed I was just below 1/4. the fuel gauge was stuck on full it was actually past full around 3 o'clock or so. NOTE: The fuel gauge should read below E (empty mark) when carrying out this test step. Fuel guzzling beast 97 F350 crew cab 4x4 460, I've lost the fuel gauge on the front tank only, just reads empty always, rear tank guage works fine. We will assume a half-full fuel tank and that you have removed the float unit to check to see that it isn't stuck or that the wires haven't come loose. The full level with a full tank goes past the full line on the gauge. A bit below the 1/4 mark the low fuel light comes on. i have an 89' f150 lariat, 4x4, strait 6, 4 speed. By the way, Alex and I are making good progress on our Southeastern Rally. How do I know if I have a fuel pump problem with my car. Question: My BX25 fuel gauge no longer reads the amount of fuel in the tank. the ground wire under your console. Start by removing the fuel level sender from the tank. Expecting fuel price to drop I only put in 10 gallons for my round trip back home. I discovered that the fuel gauge is not working. If grounded, the gauge will read something (between halfway and full) depending on the drivers side sender. The FPS is a silver gizmo about 3/4" in diameter and a couple of inches long. when i bought the truck the dealer told me that if its stuck on full its a fuse and if its stuck on empty its a sending unit. My car has 98000 miles. try unplugging the sender wire at the tank,key on, guage should read empty,if it does, ground the wire at the tank,guage should read full,if when grounded guage reads past full,prossible guage problem, if reads normal,suspect fuel sender in tank,if any other guages are erratic, ck. Repair and Diagnosis of Problems with Your Imperial's Gauges My fuel gauge reads full 24/7 with If the gauge does not go up to or past full then you know the. 3L Power Stroke Diesel - fuel gauge stuck on Full - Well besides the pyro breaking friday BEFORE live tuning,and the exhaust leak I gained on the way to Texas(not inpart of the pyro not working). My fuel gauge was working fine until J and J Auto (mobile mechanics) replaced my fuel pump. If the ground wire aint hooked up, it can't read right. The GM Fuel Gauge Mystery 1965 & Newer April 2, 2012 May 22, 2019 Eckler's 4415 Views Diagnosing a problem with a GM fuel gauge or sending unit can be very frustrating and part of this frustration comes from not knowing the theory behind what makes that little needle swing back and forth in your dash or console. To help power you through unforgiving terrain, it has a turbo HO 3. Losing one makes it go way past full and the other way past empty. Where should I check the ground wires? Chad 72' PS, PB, 3. If the fuel gauge does not respond properly when the sending unit is unplugged and with the circuits jumpered together, remove the anti-slosh module from the rear of the cluster and check for the gauge to peg past full with the cluster connector plugged back in and the. Use this fuel pump and vacuum tester to test the pressure on mechanical and electrical fuel pumps. With the tan wire disconnected at the fuel tank, the fuel gauge should read past full with the ignition on. Average repair cost is $880 at 27,450 miles. I purchased a 2011 Bennington. Fuel gauge stuck on 100% Technical Advice, Faults and How-To Information. You might have this issue: AVERAGE FUEL ECONOMY LOW AND/OR INCORRECT - BUILT ON OR BEFORE 11/18/2015 NHTSA Reference#10079011 TSB Reference#SSM-45855 It’s from a Technical Service Bulletin for the 2012–15 Focus. Expecting fuel price to drop I only put in 10 gallons for my round trip back home. ProTech: A little bit over halfway on the temp gauge should be fine. soaked in pb blaster and still won't come. I have got strange problem with fuel gauge in my car ( Hyundai Getz 2008 1. If the float isn't stuck, the following is the test protocol. Fuel gauge wrong after fill-up (only 3/4 full ?) I just filled with fuel at the same station as always, with the same fuel as always, and with approximately the same amount of fuel as always. When I switch the tank to the rear it drops to empty. i installed a american autowire wiring kit into my 57 chevy, the only problem i have is the fuel gauge needle goes way past the full mark, i have a new tank and sending unit in it, brand new, no gas in it at all, and i connected a ground wire from the screw on the sending unit to the chassie, i wonder if i got a wire crossed on the. The tank holds 36, so I go from pretty empty to full with no change in the gauge reading _____. the gas gauge is stuck on full. Understanding how they work makes it much easier to diagnose problems. 2010 Ford F-150 Best performance. The mech said he will check it and when i got the car back, the fuel gauge said 1/2 (which was about right). Autoblog looks at gas gauges. I would suspect the anti-slosh module that is mounted on the back of the instrument panel is the cause of the problem. I now drien it about a half a tank full of miles but the Gauge still reads FULL. When i originally bought the truck the gas gauge would only accurately work above a half tank. Filled the gas tank as full as I could get it. On the trip there, my fuel gauge dropped from full to just over ¾'s of a tank but on the way home, it used the remaining ¾'s of the. £40 later it still hadnt clicked (usually from half it takes about £25 - £30) which made me raise an eyebrow. Unhook the sender wire and turn the key to the ON position and the gauge should read empty. The gauge would read full when the tank was filled but only drop to a point just below the 3/4 mark and stay there. The fuel system utilizes the reservoir and not an electronic valve/switch. As your gas tank is drained of fuel, the float drops and an electrical current is sent to the gauge to tell the driver what's going on with the supply. It's stuck on the rear tank. Is there a way to check to see if my fuel gauge is broken? It never moves, and seems to be stuck on "full", but I checked the backof the gauge, and it is getting power. The fuel gauge responds to the total resistance of the two sensors. Gauge goes all the way over to 3 o'clock way past full. Overflow of gas tank and fuel gauge stuck on full. And if I unplug the wire from sending unit to gauge it still reads past full. I did check the brown wire for continuity. My fix might only be a possibility if the gauge reads half full when the tank is full (and the sending unit is good). Fuel gauge stuck on empty. The connection between VAT and depreciation is a falacy. It won't. First, check that the gauge is receiving 12. 3L PowerStroke, ZF5 Manual So my fuel gauge is stuck way past full, switch tanks and it doesn't move, run it to empty and fill up, doesn't move. If the gauge reads about 1/2 tank with the resistor combination, that points to the sender as being the culprit. I just purchased the truck about a. If your fuel gauge is stuck full or empty this video may help to see if the problem is with the gauge itself, the wiring, or the sending unit. The signals from the sending units to the module and from the module to the fuel gauge are square waves on this system. I now drien it about a half a tank full of miles but the Gauge still reads FULL. If the float isn't stuck, the following is the test protocol. It worked fine for approx first 25 hours, but since then (52 hours now) it no longer indicates fuel use. 0-liter V-8. If the gauge is not working, then the grounding wire needs to be replaced. Any thoughts on diagnosing the problem? Is this model notorious for gauge or fuel sending unit problems? I've been running my car in my driveway trying to emp. I even tried using a jumper from the sending unit to the gauge using test leads. I discovered that the fuel gauge is not working. Gas Gauge Stuck Past Full, Not Sending Unit nor Gauge I know this general issue has been discussed previously but I've done the test where I unplug the connector in the trunk, and clip the connector to a ground and its still stuck past full. I've noticed in the past that the gauge would stay on full for a good many miles before starting its travel down to the empty mark, and thought that possibly I hadn't hit that milage mark yet. I still hold the same line regarding the F-150. At zero ohms from the sending unit, the dash gauge should read Empty; at 30 ohms it should read Full. I think the guage should go back to "E" when the car is off, but this does not happen. 1973 Z-28 with Gauges. I have a 1999 f-150 5. It is stuck above full. 2013 Ford F-150 XLT 4-Door Truck. The sender must be grounded to operate properly. spent $400 on a new fuel pump, filter, and fuel system clean and still have the same issue. You can test the sending unit after removing it from the fuel tank with an Ohmmeter. Exterior; Chrome front and rear bumpers; Conventional lens halogen bulb headlights; Courtesy lights; Gloss paint , black paint , metallic paint; Rear platform step; Heating, Venti. And it took LOTS of fuel to fill the tank again. For instance, this past weekend I drove about 280 miles round trip. It'll save you from guessing on your problem as to fuel pressure and clogged lines or filter. 4 l leaks fuel out of the top of the fuel tank when filling, the fuel stations pump does not shut off when the tank is full causing gasoline to be spilled on the ground. on my van, full is full. Once the motor was stopped, the temperature gauge only returned to the middle of the gauge and is now stuck in that position. I have a 93 Bronco and the fuel gauge will go all kinds of crazy it will go from empty to full to way over full to anywhere in between while sitting still idling. If the manual pressure gauge says the oil pressure is normal, then you probably have a faulty oil pressure sending unit or something is not right with your dash gauge. £40 later it still hadnt clicked (usually from half it takes about £25 - £30) which made me raise an eyebrow. There are 6 separate gauges in the cluster and the fuel gauge looks like the other 5, so I think it is the correct one. Frequently topping off the fuel tank (i. Licensed Ford, Jeep, GM & Hoonigan gauges. B Bronco 302 EFI, auto trans,& my fuel gauge is stuck past the full mark. is it easier or harder than those gas tanks. I noticed twice I got 7/8 a tank filling from half and 3/4 full and 440 miles and twice past full and 514 - 530 miles when I filled from 1/4 and low fuel light or 40 miles to empty. It won't. "Just a loose connection will cause the gauge to jump around. When the gauge reads empty it only takes approx. For instance, this past weekend I drove about 280 miles round trip. In doing some more testing using resistors, at 56 ohms the gauge is 25% full, 106 ohms the gauge is 60% full and 156 ohms the gauge is 78% full. 1999 - 2003 7. Symptoms of a Bad or Failing Fuel Gauge Sender. Re: Fuel Gauge says it low but Tank is Full??? Went to install new float and found the old float along with the filter screen sitting in the bottom of the fuel tank. This system is the fuel tank sending unit. Do this with the key in the on position so that the gauges have power going to them. There are a few things i know are the problem such as 1. Re: Fuel gauge stuck on Full. Our quality line of Auto and Truck gas tanks & fuel system parts is constantly growing to meet our customers needs. I have searched and it hasn't answered my questions fully. 0 automatic and it runs pretty decent. After I got the truck back and filled the gas tank I noticed the fuel gauge wasn't reading correctly. The fuel gauge should read empty at 22. Wiring from the fuel tank may also have become worn with time, a grounding wire may have become loose or a connection within the vehicle's electrical system may have been damaged. 4 D4D, it was showing two segments off empty with the digital fuel gauge when I filled it up to full, the gauge shows full, then I travelled 120 miles and the gauge did not move at all still showing full on the digital reading just wondering if this is normal?. I tried where you hold the trip reset when you start the car and it lets you toggle the gauges on and off to see if they are working (Should take a pic with the speedo at 160mph). fuel gauge stuck on full after filling up the tank So I put a little bit too much gas in there a few days ago and after driving around 80 miles the needle still shows. I grounded the wires together. Is your fuel gauge inaccurate? Is it no longer working at all? This is a common problem on older boats, but is easy to fix. Fuel gauge stuck on full. I'm so glad I came across this thread. This gauge will give you accurate readings of your air/fuel mixture, but if you are really looking to really tune your vehicle we recommend. Any ideas?. Fuel gauges really are just ohm metters. i was also told that i could be a problem with the dash. the fuel gauge starts to back track towards the "full" tank position. On the trip there, my fuel gauge dropped from full to just over ¾'s of a tank but on the way home, it used the remaining ¾’s of the. This problem is solved by replacing the gauge cluster. Re: Fuel Gauge Stuck as Full A simple test is to unhook the sender wire and see if it makes a gauge change. any ideas why a 2000 Buick Century's fuel gauge in the dashboard would stay at "FULL" all the time. When i originally bought the truck the gas gauge would only accurately work above a half tank. Fuel gauge wrong after fill-up (only 3/4 full ?) I just filled with fuel at the same station as always, with the same fuel as always, and with approximately the same amount of fuel as always. Fuel gauge only reads full on 1993 ford f-150 how do you fix it? 25 26 27. Total reports: 8. I have an 88 bronco full size with the 33 gal fuel tank. I fill up and it doesn't show the correct amount of gas in the truck. IIRC an open circuit will cause the fuel gauge to default to full. I have driven 90 miles city so I know it's not full. Fuel Sender 2. i have an 89' f150 lariat, 4x4, strait 6, 4 speed. I also disconnected the sending unit one wire at a time and both at the same time. 1988 ford f150 5. After connecting the battery, I then connected both sides of connector C502 (fuel pump/sender module to the chassis harness) while the module was still out of the tank, and then turned the key on to check for Fuel Gauge movement. spent $400 on a new fuel pump, filter, and fuel system clean and still have the same issue. 2018 Ford F-150 Diesel Review: How Does 850 Miles on a Tank Sound? We put the most fuel-efficient truck you can buy through a full-tank range test—and the result is pretty damn impressive. For instance, this past weekend I drove about 280 miles round trip. fuel tank gauge (front tank setting) to drop off the full mark (actually the gauge needle goes slightly beyond full) but it had not dropped. 2011 Ford F-150 100% Guaranteed Bad Credit Auto Loan. the float is either stuck in the full position or its just messed up. After 4 years of ownership and 270 hrs the fuel gauge on my B3030 HSDC is now stuck on full. I attempted to put a gauge in series with the curcuit as well and found the cluster gauge was reading less but still past the full mark. 97 FORD F150 WONT START AND THE FUEL GAUGE GOES ALL THE WAY OVER TO FULL AND STAYS 2 Answers. I think I can hear the fuel pump making noise inside the tank. Fuel Level Gauge Stuck At Empty Now about a week before this happened I used an "add-a-circuit" to hard wire my radar detector into my accessory spot in the driver side fuse box. I drove and drove for many kilometers thinking how light my car is on fuel as the gauge is not moving. I've heard of people having this problem while using E85 and the sensor itself going out, but I've religiously used 93 OCT only since I bought it brand new in 2012. "Just a loose connection will cause the gauge to jump around. Remove the wire from the fuel level sending unit and ground it. Symptoms of a Bad or Failing Fuel Gauge Sender. Brakes can be spendy to replace. It starts at 370 with no records, and I've seen it at 430 based on the trip log. Fuel Gauge. 2010 Ford F-150 Best performance. In cheap fuel boxes I’ve had in the past, the exposed rod would get stuck on tools bouncing around and you had to push in the middle to open the tool box. did you just replace the fuel pump cause if you didnt put the pump in right it will end up hanging up inside the tank. Something in the dash stuck maybe ? Thanks C. UPDATE: Patiently waiting for the fuel gauge needle to move is not working. Well no luck, I was told my gauges were aftermarket and that was likely why it didn't work. I could also see the gauge move a bit while driving. problem with fuel system gasoline. Resistance should range between 22. Set Instrument Gauge System Tester to 160 ohms. It is stuck above full. Start by removing the fuel level sender from the tank. I also disconnected the sending unit one wire at a time and both at the same time. Fuel guzzling beast 97 F350 crew cab 4x4 460, I've lost the fuel gauge on the front tank only, just reads empty always, rear tank guage works fine. I have an 86 F150 and have dual tanks and my front tank fuel gauge is not working but I can run forever without having to fill up. I have a 93 EB with 186,000 miles on it now (all mine) and it set for the past week (Memorial day week 2005) with a full (almost full) tank of fuel. Hope you and Debbie can make it! See you in Daytona, also. Once the motor was stopped, the temperature gauge only returned to the middle of the gauge and is now stuck in that position. No warning light on fuel gauge, & gauge showing just under quarter full. now my fuel gauge hasn't moved past the full line and i've been driving since i filled up. Any knowledge would be much appreciated. The fuel gauge should read empty at 22. The gauge isn't linear from what people are reporting in other places I would say that if you've driven 4000 miles and the gauge is showing 7/8 full then the gauge isn't working properly. There are a few things i know are the problem such as 1. Empty is 0 ohms and full is 99 ohms. With proper maintenance, your F150 consistently delivers both on and off the job. 4 D4D, it was showing two segments off empty with the digital fuel gauge when I filled it up to full, the gauge shows full, then I travelled 120 miles and the gauge did not move at all still showing full on the digital reading just wondering if this is normal?. when i bought the truck the dealer told me that if its stuck on full its a fuse and if its stuck on empty its a sending unit. Fuel gauge only reads full on 1993 ford f-150 how do you fix it? 25 26 27. Sometimes, the fuel gauge gets stuck on empty, and you have no idea how much fuel you are left with. 2005 Silverado 5. When the vehicle is filled prior to depleting the gas tank to these levels, an offset is calculated and stored in the instrument cluster memory. Why does my fuel level gauge always read past full? First we need to determine the model number of the gauge to know what the calibrated resistance range is of the gauge in question. Wiring has been checked and verified that is correct. Hey guys ive got the same problem alot of guys had, my fuel gauge is stuck on full all the time, it will go down when i turn the truck off but when i turn the truck on or start it, it shoots right up to full again, and also heres the other kicker, its been doing it since i got the truck, and the truck also came with another fuel gauge installed in the dash and it is stuck on empty, this is. I drove and drove for many kilometers thinking how light my car is on fuel as the gauge is not moving. The fuel gauge is a fairly simple electronic. Although some articles may be listed for an F-150 or Thunderbird, many of these apply to many different models such as Mustang, Crown Vic, Taurus, etc. You're looking for a single tan colored wire. is it easier or harder than those gas tanks. Fuel gauge wrong after fill-up (only 3/4 full ?) I just filled with fuel at the same station as always, with the same fuel as always, and with approximately the same amount of fuel as always. In cheap fuel boxes I’ve had in the past, the exposed rod would get stuck on tools bouncing around and you had to push in the middle to open the tool box. First, check that the gauge is receiving 12. The gauge reads off scale full until there is about 2 gallons of fuel left. the fuel gauge is not working no matter how much gas i put in the gauge stays at a 1/4 of a tank left. If the fuel gauge reads empty when you know there is fuel in the tank, the cause may be a faulty sender unit the electrical device that measures the level. My fuel gauge is stuck on half full. So if your fuel gauge is broken, check to see if any of the other gauges – like the speedometer and engine temp reading – are acting up. My Gas Gauge Reads Empty When It Is Full Of Fuel. The gauge is past the full mark because there is NO power to the sending unit. if you didnt put it right. **Horsepower and torque ratings based on premium fuel per SAE J1349 ® standard. It's possible that the fuel gauge itself has become faulty. This curve correlates the position of the float with the volume of fuel left in the tank. Or it may be a faulty gauge or a break in the wiring between the gauge and sender. 1998 f150 4. GlowShift’s Tinted 7 Color Series Narrowband Air/Fuel Ratio Gauge monitors your engine's air to fuel mixture, ensuring it is at optimal levels that result in reduced emissions and better fuel economy. In the past the fuel gauge had always been pretty accurate. 5 ohms empty and 145 ohms full. So any ideas on what to do?. The read resistance. any suggestions?. Just messing around before work on the fuel gauge. A failing Ford F150 Fuel Level Sending Unit will provide inexact levels, and cause the vehicle to run out of fuel. The gas gauge for the front tank on my 1992 F150 is stuck past full You probably have a ground wire not making contact to ground on the front tank sending unit. IIRC an open circuit will cause the fuel gauge to default to full. However, if you get a reading of between 96 to 98 Ohms, you will know the sending unit has a problem and will need to be replaced; the 96 to 98 Ohms reading is that of an empty fuel tank. I even tried using a jumper from the sending unit to the gauge using test leads. A high demand or low suuply car will be worth a greater proportion of list (or even more than list) than a low demand or high supply car irrespective of VAT when new. Sometimes, the fuel gauge gets stuck on empty, and you have no idea how much fuel you are left with. 2009 - 2014 Ford F150 - Bad Fuel Gauge Reading Problems - Anyone have any experience or know if it is common problem? I'll fill up and drive perfectly fine, once the manual gauge goes to half tank, or a bit below it'll start giving me false readings. Fuel Sender Arm 3. I'd start with the wiring. Fuel gauge stuck on empty. 8 why would fuel gauge peg past full? it went past full it has less than half tank. Anyone run into this issue or have any suggestions?? You reach me at [email protected] I even tried using a jumper from the sending unit to the gauge using test leads. The vacuum gauge can also diagnose improper valve timing, burned or stuck valves, sticking choke, leaking manifold, improper fuel mixture and more. 2007 Ford F-150 FX4 FX4 4dr SuperCab 4-Door Truck click on a thumbnail to view full-size photos quickly and easily understand a vehicle's past, compare. Our quality line of Auto and Truck gas tanks & fuel system parts is constantly growing to meet our customers needs. I drove and drove for many kilometers thinking how light my car is on fuel as the gauge is not moving. The only wire is to the fuse block and on to the gauge. the gas gauge is stuck on full. If anyone has any good advice on where it start it would be greatly appreciated. Temp gauge not working not over heating 00 f150 4x4 4. I usually only put $30-$40 in it. I just purchased the truck about a. i'm going to show you how to fix your fuel gauge the easy way before you buy new part when it can just be a bad ground wire to the fuel level that can make it jump work sometime or not at all most. Filled up from 1/4 tank and took 24. Sometimes, the fuel gauge gets stuck on empty, and you have no idea how much fuel you are left with. I still hold the same line regarding the F-150. This problem is solved by replacing the gauge cluster. Turn the ignition to the on position and look at the fuel gauge. Filled up from 1/4 tank and took 24. It had under half tank and we filled it. please you cluster must be a lariet not a plain f150 must look just like picture below. I recently drove over 250 miles and the fuel gauge never moved a bit. When i originally bought the truck the gas gauge would only accurately work above a half tank. can anyone tell me how to go about fixing it ? Or is the gauge just buggered ? Any help appreciated. Front/Rear. I don't like blindy changing parts, and dropping the fuel tank sucks. Another, less common, symptom of an issue with the fuel gauge sender is a fuel gauge that is stuck on full. The point of the Ford F150 Fuel Level Sending Unit is to sense the volume of fuel remaining inside your vehicle's fuel tank. Can't remember which way it is. I have the original console fuel gauge. This is why I wondered if the float had got stuck. 0-liter V-8. You probably will need 2 bottles, maybe even 3. Expecting fuel price to drop I only put in 10 gallons for my round trip back home. Anyone have this problem? How did you fix it?. There should be a product with a label on it saying "Gas Gauge Stuck?". When I Was Told That. Going past empty means that you have a short to ground somewhere between the tank and the gauge. Gauge pointer should be at the position shown in the lower portion of the diagram. or could it just be the gauge any help would be appreciated. As with most sensors, the tank sending unit is simply a variable resistor. I just purchased the truck about a. Its been awhile since I messed with mine, but I believe the gauge should peg past full when you disconnect the wire. Hi i have a 2007 Toyota Yaris 1. I attempted to put a gauge in series with the curcuit as well and found the cluster gauge was reading less but still past the full mark. My fix might only be a possibility if the gauge reads half full when the tank is full (and the sending unit is good). I have found the fuel sender and when i unplug it (with ignition on) the fuel gauge drops to empty. Overflow of gas tank and fuel gauge stuck on full. Front/Rear.