F150 Fuel Gauge Stuck Past Full

She never saw it as a problem and didn't even bother to get it fixed. My temperature gauge on the dash has been stuck on COLD for about a year. With the tan wire disconnected at the fuel tank, the fuel gauge should read past full with the ignition on. Now after the last time the gauge is stuck past full and digital readout says 18 gallons. So I look at the gas gauge and it says “full”. 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. Gauge testing: At the back of the gauge, remove the wire going to terminal 'S'. 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. 4l 4x4 with 187k. 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 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. Its a 1990 Ford F150 v8 5. This video will show how to do this without dropping. Fuel Gauge going past full? My fuel gauge reads somewhere down south when I turn on the acc setting on my key. Just replace it. The most effective maintenance plan includes measures to prevent fatal damage caused by a combustion imbalance, and AutoZone carries the F150 fuel injectors Ford truck owners need to maximize power and avoid unnecessary fuel consumption. as the lever on the pot goes down (fuel level decreases), the resistance goes up, causing the gauge to go down. It died a few times yesterday and when I went to start it again, it wont start and now the fuel gauge is all the way over to Full and stays there?. I could try removing the sending unit again and moving the arm in its full range of motion to see if the gauge goes to full, but I can't help but think the problem is in the fuel gauge. The fuel gauge should read empty at 22. 00, you would like a working and accurate fuel gauge indicator since thats why you took it in to begin with. 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. I was riding yesterday and the fuel gauge read 3/4 full. I could also see the gauge move a bit while driving. 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. Then you would want to get it checked out before any damage occurs. I'd be getting the dealer to show me some special help with this, if I was the one that ran out in the. Trouble Shooting Gas Gauge: FUEL GAUGE Checklist with Ignition 'ON'. It's been a couple of years since it worked right, but I seem to recall full used to be more spot on than that. Remove the tank cover and locate the thingy with all the wires and hoses going to it. 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. 0-liter V-8. A stuck fuel gauge on your vehicle can not only be annoying, but also require you to keep track of how many miles you've driven since your last fill-up to prevent you from running out of gas. It the needle sticks then you have a gauge problem. Just bought the car, it was a known condition been this way 2 years. At Fuel Off-Road, we take our machining seriously. While competing models from Dodge, General Motors and Toyota offer formidably powerful V8 engines, the 2010 Ford F-150 soldiers on with the venerable 5. I am thinking either the ground or the unit itself is full of gunk in the tank and needs to be replaced. The problem with my Ford F 150 1994 300 engine with 6 cilinders is that the oil indicator needle started moving up and down until it drops completely. I was riding yesterday and the fuel gauge read 3/4 full. To test it, ground the Y/Wh wire as close to the instrument cluster as possible, and turn the key to RUN. ? i filled up my truck, but i put to much on and the tank became over filled. The sending unit is a potentiometer that adjusts the resistance to the ohmmeter (fuel gauge). So any ideas on what to do?. any ideas?. the float is either stuck in the full position or its just messed up. The sender must be grounded to operate properly. The read resistance. When the fuel level changes, the current also changes — higher currents mean the tank is full and lower currents mean the tank is moving towards empty. To help power you through unforgiving terrain, it has a turbo HO 3. It only reads full at first I thought it was a stuck float and thought it had to fall down one day. 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. Then when I looked again it was pegged all the way to the left way past "Empty". It worked fine for approx first 25 hours, but since then (52 hours now) it no longer indicates fuel use. Understanding how they work makes it much easier to diagnose problems. It began to migrate clockwise. Hey all My AU1 XR8 hasent had a full tank of fuel for about 8 months. Free shipping US Orders +$99!. In the past the fuel gauge had always been pretty accurate. The fuel gauge is a fairly simple electronic. apr 19, 2012 - norwalk, oh - gasoline tl* the contact owns a 1989 ford f-150. I discovered that the fuel gauge is not working. It's power source comes from a voltage regulator that is 5 volts. What I can report is being full, it is showing the equivalent of just over 1/16 past full. The sending unit is a potentiometer that adjusts the resistance to the ohmmeter (fuel gauge). 1992 Ford F-150 Gas Gauge. Obviously, at that point, I have to switch back to the other tank. When I Was Told That. Fuel gauge stuck on empty. I have driven 90 miles city so I know it's not full. The tank holds 36, so I go from pretty empty to full with no change in the gauge reading _____. very little to no highway driving though. E is still working though. Now after the last time the gauge is stuck past full and digital readout says 18 gallons. I disconnected the sender and the gauge read full, then i turned the car off and turned it back on and it read 3/4, and then 1/2 after I repeated the process. So i filled it up and the gauge said full. It died a few times yesterday and when I went to start it again, it wont start and now the fuel gauge is all the way over to Full and stays there?. any ideas why a 2000 Buick Century's fuel gauge in the dashboard would stay at "FULL" all the time. Fuel Level Sender. I wanted to take the aluminium F-150 for a spin when in the States over Christmas, but that opportunity never arose. 5 ohms and full at 145 ohms. if you didnt put it right. gotta love it. That's almost 20 cents cheaper than most places around here, so I decided to fill up. I also disconnected the sending unit one wire at a time and both at the same time. Gas gauge in 2008 Ford F 150 fails to read correctly. This problem is solved by replacing the gauge cluster. the gas gauge stays past full, way past full. It always stays past the full mark even when it is bone dry. The fuel gauge goes to the drivers side first in a solid yellow wire. 97 FORD F150 WONT START AND THE FUEL GAUGE GOES ALL THE WAY OVER TO FULL AND STAYS 2 Answers. If results from the test of the fuel level gauge indicate that the gauge is working properly, the cause of the problem is most likely the fuel level sender. This is the one if grounded should make the gauge read full (when key on - takes a minute). 0 automatic and it runs pretty decent. 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. So, malfunction could be caused by the breakage in any of the pivots that disconnects the information conveyance, or in the coil which prevents it from contracting as need. I think I still have a good reading on my temp but my oil pressure gauge is really unstable(it is actually flunctuating). I hooked up my new AutoMeter fuel gauge yesterday and it read FUll and I know the tank is not full. It is stuck above full. I would suspect the anti-slosh module that is mounted on the back of the instrument panel is the cause of the problem. What about the pressure regulator concept? Very unlikely. IIRC an open circuit will cause the fuel gauge to default to full. Filled the gas tank as full as I could get it. I think Valvoline might make it. Another, less common, symptom of an issue with the fuel gauge sender is a fuel gauge that is stuck on full. Re: Fuel Gauge Stuck as Full MH has it correct. Licensed Ford, Jeep, GM & Hoonigan gauges. Go to the petrol bunk, and ask for a full tank, and check the quantity of fuel the tank took inIf it is similar to the total capacity minus the reserve capacity, you're ok. Re: Fuel gauge stuck on Full. Have a 71 chevy nova, fuel gauge is stuck past full, when I ground out sending unit wire at the gauge it goes to empty, unhook ground jumper it goes back to full, same thing when I ground the connector in the trunk, it goes to empty then back to full when remove jumper wire. Any ideas?. When I started the truck up the low fuel light came on and the gas guage was setting to the far left below the E. Upon coming home, the low fuel indicator warning chimed, so I made it home, and put in 21 gallons from nearly empty. The connection between VAT and depreciation is a falacy. Remove a few screws below it and the sending unit can be removed. 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?. 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. com and as long as you have a near empty tank when you drop it, it not too bad. 5L EcoBoost ® with best-in-class* 450 horsepower and 510 lb. The rear gauge does workand works normally. Symptoms of a Bad Fuel Pump. I think the sending unit grounds to the tank by virtue of contact with the locking ring. Hopefully by following the suggestions on this publication, you will be able to diagnosis any dash gauge problem and/or a problem with your gas tank sending unit problem. Other commodores I have driven have all seemed to have accurate gauges so this was really unexpected. If you suspect the wiring this check should repeated by removing wires at gauge. It's an autometer fuel gauge and american autowire. The FPS is a silver gizmo about 3/4" in diameter and a couple of inches long. 5 ohms and full at 145 ohms. Go to the petrol bunk, and ask for a full tank, and check the quantity of fuel the tank took inIf it is similar to the total capacity minus the reserve capacity, you're ok. 140mile there, 140 miles back, no driving in-between. Hope you and Debbie can make it! See you in Daytona, also. 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 was also told that i could be a problem with the dash. The sending unit is a potentiometer that adjusts the resistance to the ohmmeter (fuel gauge). Any ideas if this is a problem at the tank level sensing unit or the gauge itself?. That's almost 20 cents cheaper than most places around here, so I decided to fill up. I have a 1999 f-150 5. 302, 3 speed (boo)-----Early Bronco Mailing List (EBML). 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. The 2013 Diesel Supplement says that you will get your first DEF warning when you have 350miles of DEF left. 1987 F-150 4. Warranty, but would wait until after the season. I have a 1987 Ford F250 inline six 4. 2001 Oldsmobile Aurora 4. 0 automatic and it runs pretty decent. I added a little over 7 gallons, which is about right for where the gauge was at. the float is either stuck in the full position or its just messed up. problem with fuel system gasoline. Fuel Gauge Is Stuck Past Full. In the past the fuel gauge had always been pretty accurate. It doesn't read the amount of fuel evenly in relation to miles traveled versus gas used. The problem with my Ford F 150 1994 300 engine with 6 cilinders is that the oil indicator needle started moving up and down until it drops completely. 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. 3 V8 - Filled my gas tank the other day and when I jumped back in to the truck the fuel gauge was way past full and pointing down to about the 5 o'clock position. Sometimes, the fuel gauge gets stuck on empty, and you have no idea how much fuel you are left with. I have the same problem. soaked in pb blaster and still won't come. Touch sender wire to frame {full ground}, turn key on, gauge should read empty. Another, less common, symptom of an issue with the fuel gauge sender is a fuel gauge that is stuck on full. Condition/Concern: The customer may comment that their fuel gauge is inoperative and the gauge is stuck on E with a full tank of fuel. I have driven 90 miles city so I know it's not full. is this the sender if so how hard is it to remove the tank this my first k5 blazer usually i normally trucks of the same vintage. If the fuel gauge reads full at all times, the probable causes are: • The wire between the sender and gauge is broken and/or the connections are not good. A failing Ford F150 Fuel Level Sending Unit will provide inexact levels, and cause the vehicle to run out of fuel. I've had my boat a whole 4 days now and I've noticed my fuel gauge is off. It died a few times yesterday and when I went to start it again, it wont start and now the fuel gauge is all the way over to Full and stays there?. That hypothesis was disproved last night. I have found the fuel sender and when i unplug it (with ignition on) the fuel gauge drops to empty. Fuel gauge only reads full on 1993 ford f-150 how do you fix it? 25 26 27. The fuel gauge is stuck past the full mark although it looks good to always see a full tank its a little uneasy not knowing just how much fuel is in the tank. It remained just above "Full" the entire trip. not sure whether to pull the dash apart and try to see if thats the problem or replace. Well the fuel tank sender can be accessed from the trunk behind the carpet panel on the back. How do i fix this? anyway to check it and see whats wrong, it was working perfectly fine, till i topped it off with gas (just got the car 2 weeks ago) and since then its been stuck on full. 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. Free shipping US Orders +$99!. Front/Rear. 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. Set Instrument Gauge System Tester to 15 ohms. and if you put it in gear right away and drive it stays there. I fill up weekly, between 22 and 32 gallons. 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. Hope you and Debbie can make it! See you in Daytona, also. The gauge reads off scale full until there is about 2 gallons of fuel left. any help will do, thanks btw, the car is a 1995 240sx SE 5spd. 0-liter V-8. One thing I noticed is the 'negative' side of the cluster circuit runs to fuel gauge and instrument panel lights and those lights are always dim. Wait a few moments as some fuel gauges take a long time to respond. 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. What I can report is being full, it is showing the equivalent of just over 1/16 past full. and gauge read full, and "miles to E" read 376 mi. 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. 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. Or it may be a faulty gauge or a break in the wiring between the gauge and sender. The gauge always shows about 1/2" past full, not near empty, except when I disconnect the tan wire from the sender. Fuel gauges really are just ohm metters. The truck was undercoated from the factory, so the undercarriage is in excellent shape. £40 later it still hadnt clicked (usually from half it takes about £25 - £30) which made me raise an eyebrow. I have an 88 bronco full size with the 33 gal fuel tank. start the van and the fuel pegs out to full. The problem with my Ford F 150 1994 300 engine with 6 cilinders is that the oil indicator needle started moving up and down until it drops completely. Understanding how they work makes it much easier to diagnose problems. Total reports: 8. This problem is solved by replacing the gauge cluster. You fill up your gas tank, you turn on the ignition, but the fuel gauge needle doesn't move. 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. The 2006 Ford F-150 has 3 different fuse boxes: Fuel pump relay, Fuel injectors, Intake manifold runner control (4. GAUGE DOES NOT INDICATE FULL In case of a customer complaint of the above condition where the fuel tank is believed to be full, but the gauge indicates less than full with the vehicle on level ground, check that the resistance at the fuel level sender unit is approximately 80 ohms. Just bought truck and it was almost on empty so I filled the rear tank and afterward the gauge pegged out way past full. It starts at 370 with no records, and I've seen it at 430 based on the trip log. Fuel gauge only reads full on 1993 ford f-150 how do you fix it? 25 26 27. 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. I installed a new fuel sender 2 years ago, since then, the gauge would only go as far as 1/4 tank no matter how full it was, after a year, I pulled the sender ( forget I already replaced it) & Installed Another NEW sender (checked it for 0-90 before installing it) STILL, the gauge will go no higher than 1/4 !. 4l 4x4 with 187k. If the gauge instantly moves toward E, the gauge & its power/ground are good, and the fault is PAST where you grounded the Y/Wh wire. This mechanism is one reason for the inaccuracy of fuel gauges. There are a few things i know are the problem such as 1. 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. A faulty fuel gauge resistor can send a bad signal to the. when the gauge reads empty, you probably have around 1/2 of a tank left. If the gauge goes to full then the gauge is fine and the sending unit is bad. Fuel Systems (Marine) Voltage - "I" to "G" terminal - 10 to 16 volts. UPDATE: Patiently waiting for the fuel gauge needle to move is not working. I recently found out this is a common problem with these trucks. Then you would want to get it checked out before any damage occurs. It's stuck on the rear tank. While that's its own. So the gauge is out of calibration or just broke. I just recently put a full tank of gas and I already adjusted it to full on the gauge. When I restarted the motor, neither gauge worked at all. Other Fuel System Fuel Gauge problem of the 1997 GMC Sierra 22 Vehicle experienced fuel system problems twice, the sending unit inside the fuel tank with the fuel pump, wire assemblies and float, the wires and fitting plugs burned, the consumer is afraid that the vehicle may catch on fire. The big deal with Ford's new F-150 is the aluminum body. and if you put it in gear right away and drive it stays there. This is weird, I stumbled on this thread just now, my 2004 w/288,000 miles has the fuel gauge stuck, on full, then it will be stuck on 1/2, but it isn't reflecting the actual gas. If this is your first visit, be sure to check out the FAQ by clicking the link above. My car has an automatic transmission. I changed the thermostat anyway, but it didn't make any difference. but if you have an extended stop or just simply sit idle for a few minutes the gage goes all the way down to E and the fuel low wa. To help power you through unforgiving terrain, it has a turbo HO 3. I wanted to take the aluminium F-150 for a spin when in the States over Christmas, but that opportunity never arose. 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. 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. or could it just be the gauge any help would be appreciated. any help will do, thanks btw, the car is a 1995 240sx SE 5spd. 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. And it took LOTS of fuel to fill the tank again. What's Wrong with Your Fuel Gauge? When the gauge is stuck at full, or always on zero, or some erratic and random reading, there's a fuel instrument problem. Fuel Gauge Is Stuck Past Full. we bought a used 2003 montana and for the first month no issues, but now the fuel gage is really acting strange. These are correct for a cluster that is not equipped with a tachometer. I guess the fuel gauge is already fixed but I think the oil gauge is now the problem, maybe the oil gauge is the one that's broken. 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. 140mile there, 140 miles back, no driving in-between. 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. The gauge pegs to full an all of those conditions. 0 - 96,xxx miles I recommend anyone who notices thei fuel. Wait one minute and read the fuel gauge. Symptoms of a Bad or Failing Fuel Gauge Sender. After fueling the gauge was in the same positon and the low fuel light was still on. 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. Using a resistor combination that mimics 1/2 tank allows you to decide if the gauge and anti-slosh module are the problem source. 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. Now the fuel gauge is stuck on (F) full. A faulty resistor can also cause the gauge to read empty. We had agreed to nearly empty the tank with the intention of filling with high octane gas. If you cannot make your gauge read anything but full then depending on your ohm range you may have one of the following problems: If you have a 0-30, 0-90 or 10-180 Ohm sender then the sender may not have a proper ground or there is a break in the sender lead wire. Place a link between terminal 'S' and 'G' or 'GND' terminal. ProTech: A little bit over halfway on the temp gauge should be fine. problem with fuel system gasoline. If it were the sending unit then one of them would be accurate but its not. As you can see from the pics the gauge reads full when the truck is off and way past full when the truck is running. Just bought the car, it was a known condition been this way 2 years. I have a 1988 Ford F150 with dual fuel tanks. 70-79 FIREBIRD TRANS AM FUEL VOLTS GAUGE CLUSTER GAUGES Ford F150 Stepper Motor, Speedometer, Fuel,Volts. any ideas?. I've had my boat a whole 4 days now and I've noticed my fuel gauge is off. I grounded the wires together. the gas gauge stays past full, way past full. I recently found out this is a common problem with these trucks. There are a few things i know are the problem such as 1. 1992 Ford F-150 Gas Gauge. as the lever on the pot goes down (fuel level decreases), the resistance goes up, causing the gauge to go down. It remained just above "Full" the entire trip. Hi everyone, Over the weekend I drove my 1. I could also see the gauge move a bit while driving. any help will do, thanks btw, the car is a 1995 240sx SE 5spd. soaked in pb blaster and still won't come. Ive had a problem with my fuel gauge ever since i bought my 97 S-10. How do you test if it's the gauge, wiring or the fuel sender? I know on other cars you unplug the loom and can jump certain pins and the gauge would go full or empty. so i dropped the tank tested the fuel sending unit it was bad i got a new one. At Fuel Off-Road, we take our machining seriously. Its stuck at past full. As with most sensors, the tank sending unit is simply a variable resistor. It is stuck above full. 1) Locate the fuel sender feed wire near the fuel tank. In the past, when I had used up around 60 litres of fuel, the gauge would be well in the red and the orange fuel light would turn on. 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. Pay special attention to whether or not the gas gauge sweeps smoothly from EMPTY to FULL. Subject: Fuel Gauge Inoperative / Code P0461 Set Models: 2012 Chevrolet Sonic The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Hey, im currently at a loss. 2012 Ford F-150 Engine problems & defects. gotta love it. Fuel Gauge going past full? My fuel gauge reads somewhere down south when I turn on the acc setting on my key. My temperature gauge on the dash has been stuck on COLD for about a year. The fuel gauge should read empty at 22. The sending unit is pretty reasonable on partsgeek. 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. 5 ohms empty and 145 ohms full. I fill up weekly, between 22 and 32 gallons. The fuel gauge is ALWAYS full - boat off, battery switch off, cables from fuel baffle and even to gauge disconnected etc. It's stuck on the rear tank. Is there a way to calibrate the gauge or should I just replace it. If grounded, the gauge will read something (between halfway and full) depending on the drivers side sender. Hi i have a 2007 Toyota Yaris 1. 2010 Ford F-150 Best performance. She never saw it as a problem and didn't even bother to get it fixed. 1992 Ford F-150 Gas Gauge. Exterior; Chrome front and rear bumpers; Conventional lens halogen bulb headlights; Courtesy lights; Gloss paint , black paint , metallic paint; Rear platform step; Heating, Venti. Fuel gauge not reading correctly Then as I drove down the road I noticed the fuel gauge was reading just under 7/8 full? 2009/2014 F150 2WD's have a 26 gallon. Anyone have this problem? How did you fix it?. If still no change, the gauge is probably a gonner. 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. Fuel Gauge Pegged at Full Replaced the sender a few weeks ago, and it seemed to be working great (had about 3 gallons and showed around 1/4 tank). I think Valvoline might make it. 70-79 FIREBIRD TRANS AM FUEL VOLTS GAUGE CLUSTER GAUGES Ford F150 Stepper Motor, Speedometer, Fuel,Volts. It's been a couple of years since it worked right, but I seem to recall full used to be more spot on than that. Troubleshoot your car's fuel gauge before seeking the help of a mechanic. Hi everyone, Over the weekend I drove my 1. It had under half tank and we filled it. Hey, im currently at a loss. Any ideas if this is a problem at the tank level sensing unit or the gauge itself?. If this is the cause of a fuel gauge failure, it can be resolved by removing and replacing the faulty component. I recently drove over 250 miles and the fuel gauge never moved a bit. 1989 ford f-150 5. You can rotate it a little back and forth to help and it should pull out. Fuel line goes into the fill tube from the bed tank. I recently found out this is a common problem with these trucks. Warranty, but would wait until after the season. And it took LOTS of fuel to fill the tank again. 97 FORD F150 WONT START AND THE FUEL GAUGE GOES ALL THE WAY OVER TO FULL AND STAYS 2 Answers. It always stays past the full mark even when it is bone dry. do you think because there was a overflow, the truck thinks its full and is waiting for the gas level to go down before the. if i take the fuel sending unit out of the tank and plug it up and turn the key to the truck it works with the gauge when i move the float up and down but when i put it in the tank it stays way past full. I drove roughly 6 miles. Re: Fuel Gauge Stuck as Full A simple test is to unhook the sender wire and see if it makes a gauge change. There is a simple way to rule out the fuel gauge. As you can see from the pics the gauge reads full when the truck is off and way past full when the truck is running. 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. Switch on power, gauge should read full. It always stays past the full mark even when it is bone dry. but if you have an extended stop or just simply sit idle for a few minutes the gage goes all the way down to E and the fuel low wa. Overflow of gas tank and fuel gauge stuck on full. It's been sitting for several months and I added some Sea Foam to the tank at the gas station. If you can test at the pigtail on the gauge and you have +12V and a varying resistance value when you move your sending unit float I would bet on a bad gauge, or maybe bad connection at the pigtail. Fuel gauge is maxed out no matter which tank is selected. Goes to empty in 150 miles - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. Car problem(s) with the 2010 FORD F-150. can anyone tell me how to go about fixing it ? Or is the gauge just buggered ? Any help appreciated. Gauge was showing between 1/2 and 3/4 full.