As with most sensors, the tank sending unit is simply a variable resistor. 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. First, check that the gauge is receiving 12. Full is way over the F line and the needle drops down to the F line somewhere between 40-100 miles. Just bought truck and it was almost on empty so I filled the rear tank and afterward the gauge pegged out way past full. Gauge pointer should be at the position shown in the lower portion of the diagram. The truck was undercoated from the factory, so the undercarriage is in excellent shape. If you suspect the wiring this check should repeated by removing wires at gauge. It finally stopped at the 9 oclock position. the one for the fuel. There are a few things i know are the problem such as 1. It remained just above "Full" the entire trip. It only reads full at first I thought it was a stuck float and thought it had to fall down one day. Its stuck at past full. Many suggested a float stuck or sending unit sticking. It starts at 370 with no records, and I've seen it at 430 based on the trip log. Wife has run out of fuel without any warning. She never saw it as a problem and didn't even bother to get it fixed. My Gas Gauge Reads Empty When It Is Full Of Fuel. I have attached some photos with voltage results on them. This is my firsttime posting on his website and hopefully I can explain my problem accurately. My fuel gauge is stuck on F actually past that point on the stop. Ford advances to the next level in providing customers with more fuel-efficient vehicles, as the new 2015 F-150 lineup includes the highest EPA-estimated fuel economy ratings of any gasoline-powered full-size pickup sold in America. Get the latest in-depth reviews, ratings, pricing and more for the 2006 Ford F-150 from Consumer Reports. - Jaguar F-Type Forum. Well no luck, I was told my gauges were aftermarket and that was likely why it didn't work. 2002 Ford F150. Hey guys so I have a problem with my fuel gauge. we bought a used 2003 montana and for the first month no issues, but now the fuel gage is really acting strange. Weather stripping tends to leak near rear windows. Hi i have a 2007 Toyota Yaris 1. Car started right up after almost 16 months and runs great except the instrument panel temp gauge goes right from 0 to 120 c after the car warms up in the garage (5 minutes) and the fuel gauge is pegged over to the full mark and stays there. No idea how it's calculating this value though. 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). 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. The full level with a full tank goes past the full line on the gauge. 4 Fabia Comfort 02 from Nottingham to London and back. The gauge is past the full mark because there is NO power to the sending unit. This sure sign of a problem can have numerous causes. If the pressure is too high with the manual gauge, then you have some sort of internal engine problem or an oil pump problem that should be looked into. Not fun when I didn't take any notice of the KM's I'd done and ended up on the side of the road with no petrol So on the way up the gauge worked fine, its just on the way back it is stuck on full. Start by removing the fuel level sender from the tank. switch to front tank and its pegged. So any ideas on what to do?. She never saw it as a problem and didn't even bother to get it fixed. If this is the cause of a fuel gauge failure, it can be resolved by removing and replacing the faulty component. With a full tank, it should read between 9 and 10 Ohms. On the way out of Nottingham I filled up the tank from what the gauge said was half full. I have an 88 bronco full size with the 33 gal fuel tank. I added a little over 7 gallons, which is about right for where the gauge was at. and if you put it in gear right away and drive it stays there. Use a special fuel gauge resistor to protect the original 6 volt fuel gauge that will be running in a 12 volt system. It's a brand new gauge, brand new 66 Mustang sending unit in a new 66 Mustang gas tank. Drives the vehicle and refills the tank before the Fuel Gauge drops below Full) 2. Maintenance/Repairs. I have driven 90 miles city so I know it's not full. Fuel gauge sender. My car has 98000 miles. I'd be getting the dealer to show me some special help with this, if I was the one that ran out in the. With a full tank, it should read between 9 and 10 Ohms. The drivers side then goes to the passenger side in a yellow/black wire. I think the guage should go back to "E" when the car is off, but this does not happen. IIRC an open circuit will cause the fuel gauge to default to full. 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. The fuel gauge reading for MY01 and MY02 vehicles have a virtual calculation performed on the first 19 liters (MY02) or 7 liters (MY01) of fuel. Author Sparky Posted on March 16, 2010 June 14, 2016 11 Comments on 1998 Oldsmobile Cutlass, Gas Gauge Below Empty Categories 1998, Cutlass, Find Answers, Instrument Cluster, Oldsmobile Tags Cutlass, Fuel Gauge, Oldsmobile 2000 Cadillac Deville, Fuel Gauge Reads Full All Of The Time. My car has 98000 miles. The gauge reads pegged to the right, way past full with key in either position. It's stuck on the rear tank. The fuel gage circuit consists of the sending unit in the fuel tank, the gauge in the dash, and the wiring and dash wiring (or circuit board) between them. Went and filled my tank up and it appears the gauge works. DFW cluster repair, Nationwide Mail Order Cluster Repair, Programming/Mileage Correction, Upgrades, LED swaps & more! We provide local service to the Dallas-Fort Worth Metroplex up to 100 Miles Radius. Just messing around before work on the fuel gauge. Fuel Gauge Is Stuck Past Full. Last week I purchased a 93 Z28. How do I know if I have a fuel pump problem with my car. Logout Logout; having experienced similar things in the past. Also when I try and fill up the front tank it always appears to be full when adding from the pump. I removed the dash to check for tightness of all wires, everything appears fine. Fuel Gauge Problem Diagnosis This process can be applied to all recent GM cars except those with computerized gauges. 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. It always stays past the full mark even when it is bone dry. 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. Re: Fuel gauge stuck on Full. Removing the sending unit wire from the chassis ground the fuel gauge should go directly to "full". Set Instrument Gauge System Tester to 15 ohms. However a full tank of gas put the fuel gauge about 1/2" past the full mark. 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 contacted the local dealership and talked to a mechanic that said I needed to buy a fuel sending unit for $245 US. is it easier or harder than those gas tanks. The fuel gauge reading for MY01 and MY02 vehicles have a virtual calculation performed on the first 19 liters (MY02) or 7 liters (MY01) of fuel. 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. 1988 ford f150 5. I've got a 1994 Wrangler and the fuel gauge always reads full, even when I disconnect the sending unit/fuel pump connector. Generally if you get stuck on full or empty you have either lost your positive voltage or are shorted to ground on the sender side or have a bad gauge. The FPS is a silver gizmo about 3/4" in diameter and a couple of inches long. The fuel gauge is a fairly simple electronic. 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. 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. You may either check our catalog or use the Ask A Question feature to find out what the range of operation of the gauge is. Any ideas?. 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. My fuel gauge is stuck on half full. You probably will need 2 bottles, maybe even 3. Your Ford F150 Fuel Level Sending Unit is a device that is within the gas tank. fills up the truck standard tank automatically. It's power source comes from a voltage regulator that is 5 volts. The 2013 Diesel Supplement says that you will get your first DEF warning when you have 350miles of DEF left. 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. 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. Cht sensor twice temp gauge stays below the c it idles high when first starts check engine light came back on this has just start a couple of days ago everything was working fine until then any ideas. To test the gauge, pull the center terminal off the fuel tank sending unit and attach a jumper to it and ground this jumper. B Bronco 302 EFI, auto trans,& my fuel gauge is stuck past the full mark. 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. I tried your suggestion and the fuel gauge still moves from where the fuel level should be and past full and back again. It did not move, and stayed to the far right, above the Full mark. net live with the fuel gauge only showing 3/4 full, at least it was an improvement from before. First, check that the gauge is receiving 12. On the way out of Nottingham I filled up the tank from what the gauge said was half full. Try grounding the wire at the sender and have someone watch the gauge with the key on. 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. 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 fuel gauge responds to the total resistance of the two sensors. When my grandma bought this car with 4000 miles the fuel gauge has never worked. My Truck That I Recently Bought Had A Broken Fuel Gauge Which Was Stuck Past 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. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. Trouble Shooting Gas Gauge: FUEL GAUGE Checklist with Ignition 'ON'. You're looking for a single tan colored wire. It is stuck above full. B Bronco 302 EFI, auto trans,& my fuel gauge is stuck past the full mark. 0 litre fuel line stuck on fuel injector rail. 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. I usually only put $30-$40 in it. Kind of frustrating because it will be a slow process-no immediate answers. If the wiring is intact, the gauge should peg (go all the way past full). Inside rod connecting both latches is covered. 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. DFW cluster repair, Nationwide Mail Order Cluster Repair, Programming/Mileage Correction, Upgrades, LED swaps & more! We provide local service to the Dallas-Fort Worth Metroplex up to 100 Miles Radius. The one functional thing is the gas gauge is stuck on full. 2005 Silverado 5. 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. If not, the fault is BEFORE that point, in the gauge, cluster, or power/ground wiring. After fueling the gauge was in the same positon and the low fuel light was still on. Result- out of fuel early morning with family on highway. Something in the dash stuck maybe ? Thanks C. the gas gauge is stuck on full. Overfilled fuel tank, now gauge won't drop I saw it and it went past the F notch at 144 miles. I purchased a 2011 Bennington. It's an autometer fuel gauge and american autowire. Gauge Reads Full At All Times. 5L EcoBoost ® with best-in-class* 450 horsepower and 510 lb. Free Same Day Store Pickup. However, since a few months ago, when I've used up around 60 litres of fuel the gauge still registers the tank as being a quarter full and the light doesn't come on at all. 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. The gauge reads off scale full until there is about 2 gallons of fuel left. Ford F-150 2006 with 5. The 2013 Diesel Supplement says that you will get your first DEF warning when you have 350miles of DEF left. Fuel System Gasoline Problem on the 2010 FORD F-150. we bought a used 2003 montana and for the first month no issues, but now the fuel gage is really acting strange. 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). 0-liter V-8. 8 why would fuel gauge peg past full? it went past full it has less than half tank. Wait one minute and read the fuel gauge. All parts listed are aftermarket replacement parts. 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. My odometer is broke so I need my gauge fixed. 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. 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. When i originally bought the truck the gas gauge would only accurately work above a half tank. or could it just be the gauge any help would be appreciated. I'm pretty sure I've read every forum/post/site dedicated to fuel gauge issues, but I'm stuck. Footer, 1999 ford f150 fuse diagram 1999 f150 relay starting issue, 1999 ford f150 fuse diagram Navbar Menu, 1999 ford f150 fuse diagram 1999 f150 relay starting issue, 1999 ford f150 fuse diagram. While it is full, dump that cleaner in the tank. With it, the material has hit the mainstream—it doesn't get much more so than the bestselling vehicle in America. 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. It remained just above "Full" the entire trip. I just purchased the truck about a. on my van, full is full. Hey guys so I have a problem with my fuel gauge. He says it could be an issue with the fuel level sensor. 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. 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 tried your suggestion and the fuel gauge still moves from where the fuel level should be and past full and back again. The gauge reads pegged to the right, way past full with key in either position. The gauge is merely a volt/ohm meter and the float unit a variable resistor. It may go way past full, or anywhere on the scale, or just not read at all. When my grandma bought this car with 4000 miles the fuel gauge has never worked. Another, less common, symptom of an issue with the fuel gauge sender is a fuel gauge that is stuck on full. as the lever on the pot goes down (fuel level decreases), the resistance goes up, causing the gauge to go down. i have an 89' f150 lariat, 4x4, strait 6, 4 speed. So any ideas on what to do?. Use a special fuel gauge resistor to protect the original 6 volt fuel gauge that will be running in a 12 volt system. 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. Hey guys just wondering if anyone has any advice on a problem with my truck. The test for this is straightforward. Fuel Gauge. the bad news is the float and pump. Then I look at the fuel tank switch, and the gauge is switched to the aux. For some reason, the fuel gauge always reads way beyonf "FULL" And the gauge doesn't move, no matter how much gas is in the tank. Fuel Gauge. A failing Ford F150 Fuel Level Sending Unit will provide inexact levels, and cause the vehicle to run out of fuel. Going past empty means that you have a short to ground somewhere between the tank and the gauge. Free Same Day Store Pickup. Average repair cost is $880 at 27,450 miles. At one point I looked at it and it was pegged all the way to the right way past "Full". switch to front tank and its pegged. Resistance should range between 22. From some online research, this seems to be common with these cars and while some people go chasing all sorts of gremlins, it seems that usually replacing the gauge cluster is what fixes the issue for most. When I switch the tank to the rear it drops to empty. If the wiring is intact, the gauge should peg (go all the way past full). When the gauge reads empty it only takes approx. Problem I am having is here in The Butler Pa area is finding a shop that is willing to repair. 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. 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. GM Chevrolet, Silverado, Tahoe & Other Full Size GM Trucks & Suvs Including Hummer H2 & Cadillac Escalade 2003 thru 2013. It only reads full at first I thought it was a stuck float and thought it had to fall down one day. 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. What I can report is being full, it is showing the equivalent of just over 1/16 past full. Fuel Gauge going past full? My fuel gauge reads somewhere down south when I turn on the acc setting on my key. UPDATE: Patiently waiting for the fuel gauge needle to move is not working. My odometer is broke so I need my gauge fixed. Weather stripping tends to leak near rear windows. fills up the truck standard tank automatically. 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. I recently drove over 250 miles and the fuel gauge never moved a bit. Just bought the car, it was a known condition been this way 2 years. 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. 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. 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. 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. 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. Other commodores I have driven have all seemed to have accurate gauges so this was really unexpected. Check the grounding wire on the fuel gauge. 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. And what it's doing is thinking, I'm out of fuel, I'm full of fuel, and it just bounces around pretty erratically. They came back to fix it and now it's stuck on the 1/2 mark. Re: Gas gauge no longer shows fuel in the tank The FPS (fuel pressure sensor) is located on the fuel tank. Footer, 1999 ford f150 fuse diagram 1999 f150 relay starting issue, 1999 ford f150 fuse diagram Navbar Menu, 1999 ford f150 fuse diagram 1999 f150 relay starting issue, 1999 ford f150 fuse diagram. My fuel gage is not working properly. 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?. Fuel gauges really are just ohm metters. "Just a loose connection will cause the gauge to jump around. if you didnt put it right. It was reading but only showed 3/4 tank when I topped it off. I was riding yesterday and the fuel gauge read 3/4 full. 4 Fabia Comfort 02 from Nottingham to London and back. If wiring and tank ground is good then sender is not working. Just bought truck and it was almost on empty so I filled the rear tank and afterward the gauge pegged out way past full. Anyway, the issue that she seems to be happening is she filled up the Flex at the gas station, the computer said 300ish miles to E, but the fuel gauge seems to want to say 1/4 full, 1/2 full, 3/4 full, or full, at random intervals. Got the new sending unit installed this morning. 1988 ford f150 5. He says it could be an issue with the fuel level sensor. Re: fuel gauge stuck to the right 11-07-06 02:31 PM - Post# 1030675 In response to bentleywarren You lost either power or ground completely. Fuel Sender Arm 3. So i took the car back. Once you get to the fuel pump access plate area underneath the back seat, disconnect the plug, and the fuel gauge should drop to Empty. Cht sensor twice temp gauge stays below the c it idles high when first starts check engine light came back on this has just start a couple of days ago everything was working fine until then any ideas. Brought a 986 home today for dad. I have the original console fuel gauge. It's stuck on the rear tank. 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. maybe a full gallon, of extra fuel [in. Welcome to the Ford F150 Forum - Community of Ford Truck Fans. I think I still have a good reading on my temp but my oil pressure gauge is really unstable(it is actually flunctuating). is it easier or harder than those gas tanks. Fuel Sender 2. However, if you get a reading of between 96 to 98 Ohms, you. My bike sat for several years before I bought it and I guess that is why it was stuck. I usually top up the tank after each use, but last time I decided to let it run down pretty low without refillingI'd say down to about. Something in the dash stuck maybe ? Thanks C. I could also see the gauge move a bit while driving. To test senders, the resistance values are shown at minimum and full gauge scales. You can test the sending unit after removing it from the fuel tank with an Ohmmeter. The big deal with Ford's new F-150 is the aluminum body. What I can report is being full, it is showing the equivalent of just over 1/16 past full. If you're just talking about the analog fuel gauge, my last two cars have been the same way. Overflow of gas tank and fuel gauge stuck on full. We have been keeping track of the miles but honestly I would rather just get it repaired. 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. Gas gauge stuck on FULL and tank should be empty. Is the front tank pulling from the rear tank or are they seperate. on my van, full is full. no real pattern. Read this oneHOWTO article to know why is my fuel gauge stuck on empty. After fueling the gauge was in the same positon and the low fuel light was still on. Many suggested a float stuck or sending unit sticking. 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. My truck yesterday left me stranded at a gas station for 2 hours. The drivers side then goes to the passenger side in a yellow/black wire. I have attached some photos with voltage results on them. That hypothesis was disproved last night. Drives the vehicle and refills the tank before the Fuel Gauge drops below Full) 2. Free shipping US Orders +$99!. Gauge testing: At the back of the gauge, remove the wire going to terminal 'S'. Any ideas if this is a problem at the tank level sensing unit or the gauge itself?. 1999 ford mustang coup gas gauge stuck on full. It's power source comes from a voltage regulator that is 5 volts. It won't. Temp gauge not working not over heating 00 f150 4x4 4. I even tried using a jumper from the sending unit to the gauge using test leads. Roger Clark, senior manager of GM's energy center, explains that the fuel economy gauge makes a calculation by counting the number and duration of pulses made by the fuel injectors as they squirt. Most gas tank units consist of two parts, the gas gauge mounted in the dash and a tank sender mounted in the tank. After turning it off and leaving it for around 20 minutes it works again, but half an hour later it drops again. can anyone tell me how to go about fixing it ? Or is the gauge just buggered ? Any help appreciated. For the past two days, my fuel gauge starting showing less than 1/4 tank of gas when it was almost full, then it went to empty and showed the gas sign and was flashing "DTE" in middle of my console. The fuel gauge should immediately go to empty. Now the fuel gauge is stuck on (F) 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. While I haven't yet been able to confirm how the 97 fuel gauge system works, in later systems the gauge indicates EMPTY when the total resistance is highest (around 100 Ohms) and indicates FULL when the total resistance is lowest (somewhere around 5 Ohms). So i had a warranty issue with my fuel pump and it got replaced. It's power source comes from a voltage regulator that is 5 volts. Fuel Pressure Regulator and System Pressure. The sending unit is pretty reasonable on partsgeek. Exterior Color: Oxford White. If you are driving a 2009 Ford F-150, or if you are planning to purchase one, then it is important that you review reported Fuel System, Gasoline problems and defects. E is still working though. Place a link between terminal 'S' and 'G' or 'GND' terminal. Fuel Gauge stuck on empty even though there's fuel ?? Hey guys! So yesterday I am driving, have about half a tank of fuel and next thing the fuel gauge just drops to empty and the red "low on fuel" light goes on. I have two tanks and one take is showing full and it should be almost empty. While new car prices clearly inlude VAT used prices are driven by supply and demand. if i drive 400 on a tank, ill be walking the last 50 miles. My fix might only be a possibility if the gauge reads half full when the tank is full (and the sending unit is good). And then the fuel gauge showed full. Empty is 0 ohms and full is 99 ohms. Unhook the sender wire and turn the key to the ON position and the gauge should read empty. This is the cumulative affect and can result in the. This sure sign of a problem can have numerous causes. start the van and the fuel pegs out to full. This is why I wondered if the float had got stuck. How can I find out if the problem is in the tank,or the dashboard. 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. 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. Hey, im currently at a loss. I checked connections at sending unit and cleaned. In the past the fuel gauge had always been pretty accurate. I have a 2008 civic coupe EX, and recently filled up in Oklahoma and noticed: 1) the pump at the service station was running very, very slow and 2) the pump also recorded about about a. 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. My fuel gauge is stuck on F actually past that point on the stop. 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. Fuel Gauge stuck on empty even though there's fuel ?? Hey guys! So yesterday I am driving, have about half a tank of fuel and next thing the fuel gauge just drops to empty and the red "low on fuel" light goes on. Fuel Pressure Regulator and System Pressure. I have driven 90 miles city so I know it's not full. Fuel Sender Arm 3. Is this a bad sending unit? Bad gauge? When I disconnect the harness wire that goes from the sender to the gauge and ground it, it still reads full. 2002 Ford F150. 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 !.