Chevy fuel gauge troubleshooting

Chevy fuel gauge troubleshooting. The test for this is straightforward. YOUNG57. With the wire loose (ungrounded) it should read way past full. It shows the correct amount of gas that I have in my tank when I'm stopped and the car is in park. Aug 17, 2016 · 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. 5 L) in the fuel tank. My gauges go to zero/empty with the key off. In the photo below the top right is A, the Take the mystery out of GMC fuel gauges. Gauge 'bumps' but will not read at 'E' or above, it may be: Re: Fuel gauge issues. I know the fuel sender is good in the tank. 4 posts · Joined 2018. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon Aug 2, 2020 · However the gas gauge stays on empty 99% of the time. You might be able to get just the sensor, but not really sure. Report. : TB-080849016B. #2 · Feb 8, 2011. In addition, using a reproduction fuel gauge from Eckler's will add authenticity and value to your Chevy. Behind the gauge are three metal clips that the posts on the back of the gauge get the inputs. if unpluged it still reads full check the wireing under the dash. Jul 6, 2015 · Y. If the stepper motor i Mar 23, 2011 · Recently I found a fuel leak in the hose that connects the fuel neck to the fuel tank. Step 3: Check the Fuel Sending Unit. Mar 16, 2020 · 2. If it doesn't look 'warped out' then they're full of it. #2 · Jul 30, 2021. You cannot measure fuel capacity with the power off. If they break open or lose contact, you will see that. If the gauge reads lower than it should, this is an indicator of a poor ground. I'm a relatively new S10 owner. Aug 24, 2018 · 2017 Malibu Fuel Gauge issue. Sep 4, 2011 · Most likely the tank unit-- if it was the stepper motor-- the low fuel light would not be on. an ignition hot a ground,and the sender wire (pink) Like. If your wiring and fuse test as passed, usually the next option is to remove the fuel sending unit / fuel pump assembly from the tank and inspect. If you find you have the correct ohm-range fuel sender, make sure the float arm is installed on the correct side. com/Dave Welch is a classic truck Specialist and he's got plenty of tricks for nearly every project on your classic Chevr Feb 8, 2011 · 2942 posts · Joined 2010. . I read several posts on issues that pertain to the gauges. Aug 25, 2010 · I am having a problem with my gas gauge showing any gas. I have a 2002 Chevy K3500 LB7 Duramax with dual tanks and had been experiencing the empty fuel gauge reading and Low Fuel light. If the fuse is blown, replace it with a new one of the same This Chevy reproduction fuel gauge has been manufactured to original factory specifications using today's modern manufacturing techniques. (Fig. long story short there's no in between just full and empty but it moves between full and empty as I brakes or take off. When this starts to fail it will not report the right amount of fuel to the ECU to be displayed on the gauge. Sep 24, 2016 · 1 Brown wire is off back of gauge. Feb 23, 2010 · To get the gauge to go to empty, you need to ground the wire that plugs into the sending unit in the tank. The second and, perhaps fortunately, more common cause of Chevy Trailblazer fuel gauge failure is a fault in the instrument cluster. Jan 1, 2022 · In this video, Classic Truck Specialist Dave Welch shows us how to diagnose and repair problems with a non-functional or finicky Fuel Gauge on Chevrolet & GMC Pickups. 8–21. … Report. The next test for diagnosing the issue is to remove the wire from sender terminal at the dash gauge. Press and hold the fuel gauge reset button for about five seconds. Jan 8, 2016 · 1. Start up the Chevy Silverado and check to see if the fuel gauge is now working correctly. This ensures that the driver is aware of the fuel level at all times, as well as warn when the vehicle is low on fuel, and when to visit a gas Apr 5, 2012 · Start out at the tank. Jan 9, 2012 · pendergraft is on the right track, most fuel gage problems start with the ground on the fuel tank either going bad, or getting rusty or corrided. (which in that case should read full all the time), wire harness between the sending unit and the gauge goes bad, gauge itself goes bad, or the ground from the gauge corrodes and snaps too. The sender wire should be brown. There may be some questions from owners about fuel gauge operation on 2013-2015 Acadia, Enclave and Traverse models. 14K views 7 months ago #fuelgauge. The first step is to determine whether the problem is with the gauge or the sending unit. It shows full for the first few miles and then drops rapidly as the fuel pump's level sensor realizes the tank isn't full. Anyhow I have an issue where my fuel gauge isn't working. The MTE display went from 460 after fill up to 439 when I got home (after 220 miles). When the gauge pegged to E the sender wire grounded out, probably on the tank itself. My fuel gauge is goin crazy! It will show a half a tank then all of sudden go to empty and turn the light on. If you disconnect the wire, it will go way past full. The gauge will read passed full with the sender wire disconnected and empty with the sender wire held to ground. I am relatively new Chevy II owner and new to this forum; however, just recently experienced a fuel gauge issue and thought I would share my experience. VISUALLY INSPECT THE SENDING UNIT / TEST. Aug 22, 2021 · I have a 2020 chevy colorado WT V6. Service Bulletin No. Though this was covered for a time under Aug 3, 2023 · Check the grounding wire on the fuel gauge. Jan 22, 2020 · Inaccurate Fuel Gauge. One that isn't accurate but 'behaving normal' would make more sense. If I don't the gauge just almost touches the fuel mark. To fix the problem, you only need to fit a new fuse to the fuel gauge. The sensor may be worn more in the half tank to full tank range and not able to give a reading. Fuel Throttles, Edge Insight CTS, Efi Live Tuned by Bobo, SDP S475/Batmo stock May 7, 2021 · Re: 1972 c10 fuel gauge problem. 1. This combination of devices is absolutely spot on accurate only . Locate the electrical plug underneath the seat. traverseforum. 0 Double SLT. You should have this part checked by a mechanic to see if it has a problem or not. It is easier, and safer, to lift the bed to replace the tank unit-- if you have a couple buddys to help. 6 gallon full tank size. The original gauges had white marks on flat black back ground with reddish orange needle. When I fill my truck up close to "E" it only lets me put about 14 or 15 gallons in it. When I purchased the car the fuel gauge stayed at empty. Sending unit is 'stuck' or defective. fuel gage stop working. This applies to many GM vehicles, though specifically we are a Oct 19, 2008 · The cause of this problem is a shorted ground somewhere along the system. Almost all 1998 -2004 Corvettes have a gas gauge issue and using Chevron Techron Fuel Treatment cures for about 1 Year - worth a try (GM Service uses it as well) seems high carbon fuel messes wit the send switch 2015 Sierra 25HD 6. #1 · May 31, 2022. Go to Step 5. On the other hand, gaining access to the fuel sending unit on a third-generation Chevy Camaro requires you to drop the gas tank, while the fuel gauge is easily accessed after removing eight screws. 70. Jul 5, 2017 · 1989 chevy truck fuel gauge problem. there's a guy on ebaY selling the replacement stepper motors. Im 90% sure its my sending unit but was wondering if anyone else has had this problem. 0L extended cab, cab&chassis flatbed, upgraded to 4wd. If your fuel gauge is either sitting past full and not moving or moving rapidly and “humming” this will help you diagnose the problem. Dec 7, 2023 · It means that the fuel pump 'A’ is registering a low flow, or one not within the preset parameters. [The Ultimate Guide to 2003, 2004, 2005 and 2006 Chevrolet / GM Gauge Cluster Repair and Problems] This article is an attempt to bring together in one place all the knowledge currently available about GM gauge cluster repair and the common problem of faulty gauges in 2003, 2004, 2005 and 2006 (plus some early model 2007) GM vehicles. try a different ground if you have a bad ground at the tank. If the temperature and fuel gauge aren't working, the first thing to check are the fuses. If you have troubles with the gauge reading 999 ohms in (SETUP/FUEL/TEST), run a twisted pair from “FUEL SND” and “FUEL –" terminal of the control module. It's probably the resistor on the back of the fuel gauge. When the fuel tank is more than 15 percent full, the ECM uses the signal circuit Aug 1, 2010 · Fuel Gauge and Low Fuel Light Resolved. But I got it done. Oct 7, 2013 · Fuel Gauge troubleshooting Thanks Custom Jim for the great information. com Aug 13, 2014 · 3K. May 6, 2015 · this verifies the gauge and wiring is working. 00+ for this repair, but you can fix it yourself for about $10. When you turn it back off it goes to around the 2 o'clock postion. Well, you are unlikely to want to pay for nasa-moon-shot level quality for your fuel-level sender 2004 Sierra 3500 dually, 6. I lifted the bed to gain access and replaced the hose. Chevy 04. #1. If it passes these tests the problem is the tank unit, or you are out of gas . 4 Brown wire is off of the sending unit. May 6, 2020 · The most common cause of a fuel level gauge of this type to read only past full is if the “S” terminal of the gauge is somewhere shorted to chassis ground or of the sender is internally shorted to ground. 3 Liter Engine. com. Lee D Discussion starter. #1 · Apr 15, 2014. #8 · Nov 16, 2015. NHTSA ID Number: 10030092. Also when I fill it up the gauge works like it should, it goes to full and works all the way to empty but im only getting about 220 Jun 8, 2012 · 5 posts · Joined 2012. The only way you know for sure is when you’ve eliminated the other Mar 29, 2021 · In this segment I explain why the C5 fuel gauge stops working and what you can do to rectify it. 2 Poor connection at underdash to tail lamp harness plug. 8742 posts · Joined 2015. 256 posts · Joined 2009. If it goes to empty, look at the sending unit for the problem. #2 · Jun 13, 2017. See full list on mechanicbase. If the gauge is not working, then the grounding wire needs to be replaced. Yes, I'm very fond of my Dakota Digital HDX gauge package and I'm using the "Tanks, Inc" company "armless" 0-90 ohms fuel tank sending unit inside the Tanks, Inc. One of the first symptoms of a problem with the fuel gauge sender is a fuel gauge that behaves erratically. Then turn on the key. - When you turn on the truck there should be 12 volts on that tan wire. Nov 18, 2014 · Nov 18, 2014. Brown sender wire is shorted to ground. Swapping to an IP with the gauge will show it. Locate the fuel gauge reset button, which is usually located under the dash near the fuse box. you have trhee wires to the gas gauge . Sep 1, 2020 · In this video, Classic Truck Specialist Dave Welch shows us how to diagnose and repair problems with a non-functional or finicky Fuel Gauge on Chevrolet & GM Sep 18, 2014 · Fuel Gauge Operation. it won't cause the gauge to swing. He'll take us from the fuel tank and sending unit, through the wiring and all the way to the dash and gauge itself. The gauge still does not register. Gauge won't budge when the ignition is turned on, some possibilities are: 1. 4. The stock wire should be tan. An unplugged or loose electrical plug is another potential cause of fuel gauge problems in the 2011 Chevy Traverse. Fuel gauge read 1/4 tank left and ran out of gas then read 1/2 tank of gas and ran out, finally read almost 3/4 tank left and ran out of gas Fuel sensor and installation roughly $425. Component (s): FUEL SYSTEM, OTHER. In the under the dash picture, it looks like a nut is missing on the right side in the picture. 2. 06 CCSB LBZ 7. If you ground out the wire at the sending unit the gauge should read just below empty. Turn the car off, then press and hold the "Trip/Odo" button and turn the car back on. The best way to describe the problem is that my gauge seems to stay at full at most times. The fuel gauge only reads quarter of a tank full. Fuel gauge stuck on empty? Two ways to fix that- scrape up some cash and put gas in it, or if that doesn't work, replace the fuel level sensor in the tank. A faulty fuel gauge sender may cause the gauge to suddenly change positions, or give an inaccurate reading. The first time this occurred a few months ago I was thinking that somebody may have siphoned fuel out of my tank Apr 7, 2011 · Fuel Gauge Not Working. Mar 7, 2014 · 99 S10 Fuel Gauge Not Working. I have a 57 Bel Air with stock fuel gauge. check your dash grounds. In some cases the Fuel Level sending units gone bad itself, The ground from the sending unit corrodes and breaks. A few years ago, my car ran out of fuel because the gauge was reading about an eighth of a tank left. 0l, crew cab, long box replaced w flatbed. 20 posts · Joined 2010. Feb 27, 2010 · The readings on a truck fuel gauge are essential for understanding many aspects of driving. First, check that the gauge is receiving 12 volts of power. Here’s how to test the fuel sending unit: Consult your owner’s manual to locate and access the fuel sending unit. 27. This is also a symptom of a poor connection to the signal wire from the sending unit. Different reproduction gauges will respond differently with power off. - Make sure the sending unit has a ground wire and that it is properly grounded. Mar 27, 2012 · I just bought an 06 duramax and my fuel gauge seems to be giving me trouble. 1M views 9 years ago. 2012 Silverado 3500 dually, 6. do you guys think it's the sender or Nov 25, 2012 · The ECO's fuel gauge isn't calibrated to the 12. 12) The fuel gauge will read full when there is 19. When I'm stopped at a traffic light however it goes all the way to E, then as soon as I begin to accelerate again it Jul 28, 2020 · GM apparently had quite a number of instrument clusters where one or more gauges either failed or went just plain nuts. I have the short bed so I have the 26 gallon tank. Jun 13, 2017 · 28517 posts · Joined 2007. It was a simple fix. GM wants $400. If not, more diagnosis. Brown wire is broken between gauge and sending unit. if you unplug the pink wire from your tank the gauge should go empty,ground it it should go full. I have pulled dash insert, traced wire from tank to gauge for damage and found none. Seems to indicate your sender wire connection is good from gauge to sender and the tank ground is good. For example, a 73-10 ohm fuel sender would read backward on a 0-90 ohm fuel gauge. I just bought a 89 chevy truck 300k plus miles. So when I fill up my Malibu, if I want the gauge to go all the way to full, I have to keep forcing fuel into the tank once it clicks off. They should all respond the same with power on. #6 · Feb 25, 2012. Make sure that the Chevy Silverado is turned off and the key is removed from the ignition. The front of the rheostat shows from which 2001 Chevrolet Tahoe 122,550 mi, Visitor. You will find the fit, finish and function will work superbly for your restoration. A quick and easy way to check the gauge is to remove the sender wire from the back of the gauge, leave the power and ground hooked up and Feb 22, 2020 · This video is on a 1998 Chevy K 1500 with a erratic gas/fuel gauge the bounces and does not read correctly. 1M views 8 years ago. Dave explains how the system works and what to look for when repairing the function of your gas gauge. 1999 4. Fixing or troubleshooting the fuel gauge circuit has never been easier with this comprehensive guide. *187K+ Miles. Subscribed. 2003 Chevrolet Tahoe 145,000 mi, Visitor. Pink wire is off of gauge or switch is defective ('55-'56). I completely emptied the tank and it still wasn't reading empty. Luckily my car died while going down hill on the Oct 5, 2014 · willardearl76 Discussion starter. more. You have to have power-on for the gauge to work. #1 · Jan 13, 2016. As VileZambonie says, if you pull the plug off the tank selector valve (on the passenger frame rail in front of the rear tire), then the gauge should go to Full. Powered on and disconnected from the sender, normal result is a way past full reading. 2006 Chevrolet Colorado 77,000 mi, Visitor. FUEL GAUGE Checklist with Ignition 'ON'. Your sender wire is most likely loose. Today I replaced the electrical connector for the fuel sending unit at the rear tank and it solved the problem. I purchased a 04 impala a few days ago and filled it up yesterday. Apr 26, 2024 · Solved: 2005 malibu classic fuel and temp gauges dontFuel chevy gauge working pump 2007 equinox malibu 2006 problems chevrolet properly complaints larger click carcomplaints Troubleshooting 2002 malibu gas & temp gauge: fuse location & solutionsFuel gauge malibu 2006 working properly chevrolet interior complaints. Fuel gauge says there is 1/4 tank of fuel left, but it won't start. 9K. Then we can go from there about trouble shooting the actuall gage. #1 · Jun 8, 2012. I replaced it with the A/C Delco. The inside of the gauge housings were paint light green so the markers showed up pale green at night with the lights on. How to fix a gas gauge that's not working by replacing the fuel s 06-20-07 09:14 AM - Post# 1190230. Hello All, *2005 Avalanche LT/Z71 with "Z" Code (Flex Fuel) 5. 20 gauge pink wire from the ignition switch. Turn the ignition to the on position and look at the fuel gauge. engine light went My 2002 Chevy impala 3. 2006 Chevrolet Colorado 55,000 mi, Visitor. The most common problem with a 240-33 ohm gauge and a SN35 sender is the gauge reading Empty or not reading all the way to full. Turn on the engine’s ignition and probe with a multimeter between the ground and Website: https://www. Nov 1, 2022 · If your fuel gauge is not working properly, then there is a chance that the circuit inside the car has a problem. Gauge moves up slightly when I turn on ignition but wil not read correct volume. 3 posts · Joined 2016. Disclaimer: This video is intended for educational purposes on 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. Locate the fuse box and refer to your car’s manual to identify the correct fuse. When the sender wire is grounded, the gauge needle should go way past "E". ONLY at a quarter of a tank of fuel Sep 18, 2017 · Now here is your 1982 C-10 wiring schematic for your instrument cluster. 196 posts · Joined 2013. - Find the other sending unit wire that runs up to the gauge. it does not move all the way the other direction. Here are two ways to determine what is causing this issue. Gauge is bad. When the tank is full, the gage will read empty, and then will start working when the fuel level comes down - but after about half a tank, it becomes erratic. 3L v6. Dec 16, 2022 · Yes, the trans already has the sensor, and the ecm/tcm is wired up and monitoring it, the IP just doesn't have a gauge to display the data. #7 · Apr 29, 2023. When I first brought it home the fuel gauge read empty, put $20 in the tank and it now read full. How they work, and what to do when they stop working. This is mostly caused by a bad ground on the sending unit. 5 Bad tank to body ground. Follow these steps to inspect and re-plug the electrical plug-. 6 Sending unit is bad. Disconnect the tan wire from the tank, and ground it to the body. 3 Brown wire is broken between gauge and sending unit.  NOTE: This gauge rest on the full mark when ignition is off Learn how to wire the fuel gauge in a 1972 Chevy truck with a detailed wiring diagram and step-by-step instructions. Depending on your vehicle, either the fuel sending unit or the gauge may be more accessible for testing. #7 · Aug 5, 2020. Nov 14, 2015 · Cosmic Charlie. 85 gallons of fuel to fill up. #1 · Oct 5, 2014. Gas gauge not working. fuel gauge drops. Brown wire is off of the sending unit. If you've Nov 2, 2019 · Re: Fuel gauge ‘70 C10. Mar 13, 2013 · Problem solved. I have a 55 Chevy car with a wierd working fuel gauge, I installed a new tank and sender , the sender was checked with an ohm gauge before installation and read correctly between zero and 30 ohms. This translates into a "full" ECO tank not showing full on the fuel gauge. As I was driving down the road, all of the sudden my fuel gauge went The most common problem that causes the fuel gauge to read incorrectly is a bad fuel sending unit. Enjoy. Sep 23, 2013 · GMC/CHEVROLET/CADILLAC: VEHICLE FUEL GAUGE INACCURATE BELOW 1/4 TANK. Aug 24, 2014 · Another point I would like to make on the 1967-1972 Chevy?GMC truck fuel gauge diagnostics is this: The fuel gauge and the temp gauge do get there power from the same source. Sometimes the float arm of the sender is not able to move freely inside the tank (hitting side of tank or baffle). This video will help you troubleshoot your fuel gauge and sending unit, to verify if it is good or needs to be replaced. Poor connection at underdash to tail lamp harness plug. Nov 16, 2016 · 1. Having some problems with the gas gauge on my 55' I ran out of gas with the gauge still reading about 1/8 to 1/4 of a tank. Hi. Our cars are supposed to have 17 gallon fuel tanks. To do so, connect the negative jumper cable to the vehicle's frame and the positive cable to the fuel gauge's grounding terminal. May 31, 2022 · 1 post · Joined 2022. Feb 23, 2013 · Sending unit is 'stuck' or defective. I had the same issue with my 2018 Traverse Premiere. However, after completing the project, the digital odometer and the speedometer stopped working and fuel gauge will only read a 1/4 of a tank even after being filled. 00 per gauge by replacing the stepper motor. You 'might' be able to see / reach the sender wire by peering in the filler hole of the Feb 25, 2012 · 2102 posts · Joined 2012. I have an 80 gallon auxiliary tank that is connected to the truck. danhendricks. Are you facing issues with an unresponsive or inaccurate fuel gauge? Dive into this video as we diagnose Mar 22, 2016 · 5. The dealer looked at it and found the two sending units in the fuel tank were bad. My fuel gauge read a little over a quarter of a tank of fuel left, but yet I just filled the tank with over 15 gallons. Jul 29, 2021 · B52bombardier1. The Dorman part number is 645-668. My fuel gauge on my 2022 GMC Sierra 3500 is not working. What a pain in the ass dropping the tank and getting the retention ring off and back on. Start with the easier option to save time and effort. Most gas gauge issues can be traced to an issue with the wiring near the tank, or with the sending unit itself. tank. If your fuel gauge now shows a full tank then you know the sender is failing. A little background, almost 2 years ago I replaced my fuel pump. Be "very careful" not to dislodge the copper fingers off the printed circuit on the back of the cluster. Sep 10, 2010 · Fuel level gauge. When I left my gauge was reading about 1/4 mark, filled up at a gas station 43 miles north of where I was staying, drove another 210 miles to a gas station less then half way home. This video wil Aug 3, 2011 · When the sender wire is disconnected, the gauge needle should go way past "F". 00! Apr 27, 2013 · 9 posts · Joined 2013. 5in lift, 36in Nittos on 20in. 4) If the gauge checks OK, then make the same resistance checks to the tan wire in the body side of the Fisher connector. Yours is doing the opposite. Empty is 0, full is 90. Oct 12, 2023 · Mechanic Base. You can also see what you are doing. Bad tank to body ground. This is located in the gas tank and it has the fuel pump, the fuel filter, and the fuel level sensor on it. Fuel gauge behaves erratically. September 18, 2014. Powered on and no reading when sender connected might be a bad/loose Aug 29, 2023 · If you’re experiencing a faulty fuel gauge in your 2000 Chevrolet Impala, here are some troubleshooting steps you can follow: 1. If you look under your truck, you can see your tank. 2004 Sierra 3500 dually, 6. This morning when I went to start the car the gas gauge dropped down to the 6 oclock position. if when you disconnect the sending unit. . If the tank is empty, it's working. A damaged fuse can cause problems with the Oct 31, 2023 · Inspect the Electrical Plug. Jul 16, 2020 · The most common 2006 Chevy Silverado gas gauge problems are usually caused by a problem with the fuel sending unit. I then drove 220 miles, and the fuel tank still registered all the way full. If I fill it up it goes to full or a little beyond and seem to function ok. Apr 6, 2020 · The first step would be to make sure that you have the proper ohm-range fuel sender to match your gauge. Orange wires = battery voltage accessories. Check the fuse: Start by checking the fuse related to the fuel gauge. If not, you probably have a bad gauge or possibly a dash wiring problem. and when you ground the wire to the tank. What are the Possible Causes of the DTC U18A2 Chevrolet? NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. The problem could also be in the sending unit, which should be replaced. With in less than 75 miles it drops to almost half Oct 5, 2011 · Hey all, just recently started experiencing some issues with my fuel gauge readings. How to fix a gas gauge and sending unit replacement in your car DIY. My factory was low so I pulled over and turned on my auxiliary tank allowing it to fill up the factory tank. On the cluster connector, that is going to be the pink wire in position # 3. Press and release the button 3 times, holding it down for 4 to 5 seconds the third time. #4 · Aug 7, 2000. If your gauges’ wiring connection is not the best it can be, you may encounter a gauge that may read full all the time. Jul 28, 2000 · 255 posts · Joined 1999. and the gauge goes one direction. Like. #1 · Apr 27, 2013. Have replaced fuel sender in tank a while back and gauge worked for a long time but recently quit working. Recheck the gauge wiring, be sure you have power, ground, and sender on the correct terminals. I believe My fuel gauge may be acting up of late, its been reporting lower fuel levels than I actually have intermittently. 6K subscribers. 2832 posts · Joined 2017. A fuel gauge powered off will often move to a random spot. Turn on the car and push the "Trip/Odo" button to put the odometer into "ODO" mode. The gauge may appear to be at three quarters, and then only a few minutes later will change to Oct 5, 2021 · The fifth-generation Honda Civic's fuel gauge is a pain to access, but the fuel sending unit is in the trunk behind a panel secured by just four screws. This plug is usually located near the fuel tank underneath the vehicle’s seats. Tan wire is off of gauge or switch is defective ('57). Apr 15, 2014 · Gary Nyland Discussion starter. I noticed while driving that my fuel Jul 11, 2013 · 1604 posts · Joined 2010. ON RARE OCCASIONS, THE VEHICLE HAS AN INACCURATE FUEL GAUGE READING AT 1/4 OR A 1/8 OF A TANK. Sep 12, 2016 · One of the first places to look is the ground. This problem is a result of defective drive motors that were used on the circuit boards of instrument clusters in some 30 or so different GM models. Feb 9, 2008 · 2002 Chevy impala: intermittent. Gauge pegs itself below empty, some possibilities are: 1 Brown and pink wires are swapped on back of gauge Apr 5, 2013 · Do a search on the site about fuel gauges, gas gauge, etc and I have posted a bunch as to how to troubleshoot the system. Not to mention, I don't understand the connection between the bottom of the tank and an erratic fuel indicator. I filled the car with gas and still the same empty reading. I replaced the sending unit and the gas tank (needed). The fuel sending unit is used to measure the amount of fuel in the fuel tank and communicate the fuel level to the fuel gauge on the vehicle dashboard. 8 gallons (75–82. Dec 6, 2011 · Fuel gauge problems. 4 with about 98K miles, has an intermittent problem with engine light coming on, fuel gauge drops to E, Low fuel warning comes on, and then the car stalls when coming to a stop. 3. If you have terminals labeled “S” & “I” on your sender, disconnect the wire from “I” terminal, select 63VET in the fuel sensor selection, within the setup menu. Come follow along with me as I troubleshoot the non-working fuel gauge in this 1972 El Camino. A few days ago, I stopped for gas (the gauge was at 3/4 of a tank but I wanted to top off). 1030 posts · Joined 2012. #2 · Jul 6, 2015. Apr 2, 2020 · 2000, 2001, 2002, 2003, 2004 and 2005 chevy impala instrument clusterremoval , fuel gauge fix stepper motor replacement Apr 29, 2015 · Ground the tan wire in the dash side of the Fisher connector and the gauge should read empty. I am new to the forums. The Jan 13, 2016 · L. Apr 26, 2024 · Reseting a Digital Fuel Gauge. And even doing that, it comes off full within a few miles of driving. When the gauge pegged to F the sender wire didn't have good contact with the gauge. The gauge works by changes in resistance, so clean connections are absolutely paramount! The sending unit is a typical GM 0-90 ohm value unit. It's still calibrated to the 15. I have a 2004 Chevy Malibu Maxx LS. I take you through the full process of removing t Apr 29, 2023 · davester3500. With the key on, it should read empty. First disconnect the wire from the contact stud on the sender. 6 gallons. Given that I have not much trust for repro parts, how cah I test the gauge and sending unit. In a 13 gallon tank, I wasn't expecting to pump 9. I have a 1988 Chevy C1500, 350 TBI. brotherstrucks. If you do not want to take it to a mechanic shop, then you can try checking the fuse inside your car. W. I have recently had the fuel Pump assembly changed. I took a vacation to the grand canyon, no issues getting there but on my way back I was having issues with my fuel gauge reading incorrectly. I am having an issue with my fuel gauge my father inlaw and I attempted to repair the issue with no success The issue is that my car either read full or emptyseem the less gas in the tank the more often it reads emptywe took the tank off and check the sending . Gauge pegs itself to the right, above full, some possibilities are: Brown wire is off back of gauge. It never reads the correct fuel level. pink wires = key on voltage. It is most likely the fuel level sensor located on the fuel pump assembly in the gas tank. #2 · Sep 20, 2010. Clean and re-attach the ground and make sure it is making good contact and report back your findings. The problem I am now having is, that my fuel gauge is not properly working. www. fi od ua te ea xi ti tl xm pe