Generac Generator Starts But Won't Stay RunningIn this case, you might need to replace older fluids, broken fuel lines, or even faulty spark plugs. If it then shuts down, it normally indicates a low oil level. 3) Check the fuel bowl and carb fuel inlet for debris and or restrictions. Check out the Champion 4375/3500-Watt Dual Fuel Portable Generator - RV Ready! (link to Amazon). Bottom line unless the generator is running at full speed, 3600 RPM, you are not getting the proper voltage at 60 Hz. Check fuel and oil levels once you’ve determined that your generator is not overloaded. It will run for about 30 seconds then shut down and will start right back up Ask an Expert Car Questions Small Engine Troubleshooting My generac quietpact won't stay running. As a general rule, the reasons a generator will stall when the choke is turned off are due to stale fuel, a clogged or restricted main jet, a clogged or restricted pilot jet, a loose fitting carburetor, or damaged carburetor gaskets. Further there is no way that unit would start even a 2 ton Central AC system. Generator ran for 56 hours straight til power came on. Quote Junior Member 4 posts Omniver Jul 20, 2018 Peddler;n58477 wrote:. I have a Generac portable generator GP 6500 that starts but will not stay running I believe it’s the CO sensor or carbon monoxide sensor is there a way I can bypass that or. On many generators, it can be found directly above the air filter on the. 7 - 10 years is plenty of time for the generator to loose it's residual magnetism that it needs to start producing power. A clogged carburetor is most commonly caused by leaving fuel in the generator for a long period of time. I recently acquired a Generac Gp15000e model 0057341. A generator may not stay running because of an overload, insufficient fuel, clogged fuel cap and carburetor amongst other mechanical issues. (Note: The zero governor will keep Natural Gas from entering into the carburetor. Generac xp 6247-8 starts but will not stay running | Smokstak® Antique Engine Community Join us and fill out the registration form with your INTERESTS, your CITY, STATE, COUNTRY, NO ZIP CODES! Your account is then manually checked and approved. This sticky substance will clog the carburetor’s jets and ports, preventing the engine from working. Before the generator's engine starts, there is no oil pressure. Generac 4000XL Won't Stay Running - $10 Fix - YouTube 0:00 / 6:44 Generac 4000XL Won't Stay Running - $10 Fix 4 views Sep 21, 2022 0 Dislike Share Save PeanutButterMan 11. 2) Check all rubber fuel lines for condition, including internal collapse. I recently acquired a Generac Gp15000e model 0057341. The red indicator light briefly comes on and then goes off Ask an Expert Car Questions Small Engine Troubleshooting Hank F. Any time the machine is running, it will be sending some voltage to the field, to wake it up and keep it awake. A generator may not stay running because of an overload, insufficient fuel, clogged fuel cap and carburetor amongst other mechanical issues. Too Much Load for the Generac Generator Size When the generator is attempting to power items greater than its load 2. If the problem persists, it could be an issue with the carburetor, engine, or shut-off valve. The Onan Marquis requires sufficient oil pressure to keep running, so carefully check the oil level. My generac quietpact won't stay running. Sep 9, 2010 #9 J jmebonner Active member Joined Jul 24, 2010 Posts. This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on iRV2 Thread Tools. Never thought it would be the fuel pump either because it would run for 30 mins then shut off Every time. Generac Wheelhouse 5500 starts won't stay running | Smokstak® Antique Engine Community Join us and fill out the registration form with your INTERESTS, your CITY, STATE, COUNTRY, NO ZIP CODES! Your account is then manually checked and approved. First thing that comes to mind is the battery is not being charged, second suspect is the throttle stepper motor due to your description of unsteady RPM. First place to start, put a meter on it and see if you get correct voltage while it's running. It is possible that the carburetor is clogged. Clogged Fuel Filter The fuel filter also has the tendency to be clogged. The regulator was my first suspicion but the regulator in these things are the size of a electronic brain box for your car. It takes a while to start, even when I hold the primer button down for an extended period of time. 1) It’s low on oil Check the oil level in the crankcase. It starts readily but won't stay running and immediately dies unless you push the glow plug button and hold it down. I've printed out the schematics for your generator so I have them in front of me so I can help you troubleshoot. 5 volts but I never see them drop that low. I’ve changed plugs, oil, filter, did fuel pump test. Generator runs poorly or does not start at all Engine starts but quits after running for about 10-15 seconds; Engine does not start but gas leaks from the air filter Engine will only start for few seconds with a squirt of starter fluid Engine will run rough under full choke but dies when choke is opened Engine sputters, guzzles gas then dies. When the portable generator shuts itself down (for any reason), someone has to physically reset the control panel to clear the alarm. After I plugged the leaks by mounting a cover. This sticky fuel can clog up the carburetor and prevent the engine from starting. Activate your Generator Product Registration Connect with Mobile Link PWRcell and PWRview Case Tracker Parts & Accessories Where to Buy Find a Dealer Residential/Commercial Sales & Service Portable. It may start one of the Sanyo type split systems which are much lower starting load. My generator is a older model generac generator i think it was built in the 90s it was in storage for about 20 years or so a friend of mine had it and gave it to me. It can be very frustrating when your propane generator fails to start during an emergency. In this case, the generator falsely senses low oil pressure and then shuts down. If your Generac generator keeps shutting off unexpectedly, the first thing to check is the generator’s load. 4) If this unit has a fuel filter, replace it. Before the generator's engine starts, there is no oil pressure. How a start / stop relay will keep your generator from running. My model 4390 Generac is showing a flashing overspeed light when trying to run its exercise. If it looks dirty, use carb cleaner to clean the plug and spray the cylinder. Generac xp 6247-8 starts but will not stay running | Smokstak® Antique Engine Community Join us and fill out the registration form with your INTERESTS, your CITY, STATE, COUNTRY, NO ZIP CODES! Your account is then manually checked and approved. crankcase started the generator. Jan 17, 2023 / B&S on Generac generator won't stay running #1 The issue I am having with the machine is that it was used for a short time (less than 15 minutes) during a recent power outage. Use it daily and it was running fine and then shut off. How a start / stop relay will keep your generator from running. It may take hitting the start button for 20 or more times before it will finally sputter to life. 4 With my 12v test battery connected directly to gas solenoid and manual crank, it seams to maybe have higher rpm than 75% but runs about the same. It is having a problem staying primed. Model 04390-0 13Kw NG s/n:3577459 Mfg order# M981520. Generator starts and runs but wont put any power out. Some generators will not start at all if the fuel tank is almost empty. 5K subscribers Subscribe 49K views 4 years ago. It starts but will not stay runningruns for about 10 seconds and shuts off. This sticky fuel can clog up the small jets and ports in the. Fuel Bled Back Into the Tank / Generator Will Not Start. Check and fill the oil as needed, and check the spark plug connection. Activate your Generator Product Registration Connect with Mobile Link PWRcell and PWRview Case Tracker Parts & Accessories Where to Buy Find a Dealer Residential/Commercial Sales & Service Portable Generator Sales & Service Pressure Washer Sales & Service Late-model and Factory-services Products. 3 Disconnect the 2 wires on the gas solenoid and I can hear it move with 12v applied to it. Generator starts and runs but wont put any power out. I have an Onan 2800 Microlite generator that all of the sudden wont stay running. Remove the spark plug from the cylinder. If you are sure there is enough oil, disconnect the wire to the oil sensor and see if the engine keeps running. If it’s closed, your generator will not start at all. I believe it’s the CO sensor or carbon Small Engine Ask an Expert Car Questions Small Engine Troubleshooting ★★ I contacted my Generac rep, and we are in agreement that you have a faulty CO module. If your small engine wont start, or dies after a few seconds, try this quick tip first. As I discovered on my Generac propane powered generator, rusting internally caused a leak between the exhaust chamber and the other air chambers. It will run in manual for about 10 seconds and then shut down for overspeed again. Please follow these instructions by using City, State, Country in your. How a start / stop relay will keep. When it does shut down, immediately check to see if you are getting spark to the plug (this must be done while the coil is hot, not cold). If your small engine wont start, or dies after a few seconds, try this quick tip first. A faulty oil pressure sensor can be at fault if your Generac generator starts but won't stay running. I have a Generac portable generator gp6500 That starts but will not stay running. There are those Generac generators that operate using propane, and they may have a problem with starting just like any other. If your Generac generator keeps shutting off unexpectedly, the first thing to check is the generator’s load. It starts but will not stay runningruns for about 10 seconds and shuts off. Sometimes the oil alert system in your engine is actually. Online Product Support 24/7/365 CUSTOMER SUPPORT United States & Canada: 888-GENERAC (888-436-3722) International: 1-262-544-4811. Press 'Stop' 3 times within 5 seconds. That being said, I'd check to make sure that gear slides back and forth on those threads easily. If the engine ran with the oil pressure switch disconnected then stopped when the wire was shorted to ground, that indicated a problem. Generator won't stay running Troubleshoot 01: Carburetor One possible answer is that the carburetor is clogged. If this is a natural gas model, that's the most likely cause. It starts readily but won't stay running and immediately dies unless you push the glow plug button and hold it down. Depending on the scenario in which the generator shuts itself off, the causes can be different with some quite easy to fix. Gas Tank is Empty on a Generac Generator. This may be due to a dirty air filter, incorrect choke setting, empty fuel tank, plugged fuel tank vent, dirty carburetor, low engine oil, faulty. My portable generator won’t start. Let go of the glow plug buton and it immediately dies. Wait for the engine to cool and remove the spark plug wire before performing any repairs. #othergeneratoroptionsFree Troubleshooting Guide for Onan Generators including models Emerald, Marquis, Microlite, RV QG, Camp Power, Marquis Gold, Emerald P. Generac generator starts but won't stay running In addition to other mechanical issues, a generator may not run due to overloading, inadequate fuel, clogged fuel caps, and carburetors. Generac generator starts but won’t stay running It is possible that the carburetor is clogged. Activate your Generator Product Registration Connect with Mobile Link PWRcell and PWRview Case Tracker Parts & Accessories Where to Buy Find a Dealer Residential/Commercial Sales & Service Portable Generator Sales & Service Pressure Washer Sales & Service Late-model and Factory-services Products. Generac Generator Starts but Won't Stay Running. In Generac's Online Product Support section you can find the specifications, product manuals, frequently asked questions, how-to videos, and more for your product. Depending on the style of your generator, this choke lever may be positioned in a few different places. ET, and we'll ship the same day Choose Product 02 Identify Problem 03 Find Solutions Back Generator Repair Help Have Your Model Number? Great! Enter it here for your fast and easy solution: Need help finding your model number? or Let Us Diagnose The Problem. The generator shutting itself off has different causes depending on the scenario, with some of them quite simple to fix. ) Start the generator on gasoline with No Load. That will cut off the fuel flow and cause it to stop running. It needs the fuel pump to work as designed. Re: generac gp7000e wont stay running 1) Check gas cap for proper venting. I know that the small portable Generacs had a problem with the diaphragm in the low oil switch cracking and not opening. The carburetor may be clogged with varnish or. First place to start, put a meter on it and see if you get correct voltage while it's running. I have a Generac portable generator gp6500 That starts but will not stay running. It could be any of the following that can be causing the symptoms you have. What should I do? If your portable generator won’t start, there are several steps you can take to get your unit running again. A Generac generator won’t stay running and will keep shutting off when there is a lack of air or fuel flow to the engine; the low engine oil sensor is triggered, or the generator is overloaded. Several generators are set up to short trip the main circuit breaker during an emergency fault shutdown. If you pull the wire off the low oil switch and it starts and stays running then that is your problem. Check the spark plug Spark plugs can wear out even if they visibly look fine. If your engine can’t start, then your fuel cap is too clogged up and will need to be replaced with a new one. When it starts up it checks for voltage and if it's not correct, it shuts down. The propane generator won’t stay running. 6 On the Digital Output Display output 5 is changing from 0 to 1 while cranking. This is a well-known issue with some Generac generators. is online now Related Small Engine Questions briggs and stratton troubleshoot. Fixing a Generator That Won't Stay Running - YouTube 0:00 / 3:33 Fixing a Generator That Won't Stay Running Traplines and Inlines 64. A Generac generator starts and then dies due to an empty fuel tank, plugged fuel filter, dirty carburetor, clogged fuel line, bad gas cap, dirty spark plug, faulty ignition coil, low engine oil level, or old gas. But that’s just the tip of the iceberg. Generator did not shut down after a few minutes of cool down. Some generators will not start at all if the fuel tank is. Now wait for the engine speed to smooth out. It will start & run when the remote panel or panel on generator itself is held in the start position. That unit uses a 410cc engine and the starter doesn't have a solenoid that throws the gear out into the flywheel. Generac 4000XL Won't Stay Running - $10 Fix - YouTube 0:00 / 6:44 Generac 4000XL Won't Stay Running - $10 Fix 4 views Sep 21, 2022 0 Dislike Share Save PeanutButterMan 11. Never thought it would be the fuel pump either because it would run for 30 mins then shut off Every time. Here are some of Generac RV propane generator troubleshooting tips you should consider. The carburetor may be clogged with varnish or encrusted shellac. First thing that comes to mind is the battery is not being charged, second suspect is the throttle stepper motor due to your description of unsteady RPM. I purchased this generator the end of December so its only about 3 months old. The choke of any engine should be set to “closed” during startups and then moved to “open” once the engine warms up. Unless its an inverter generator. If the generator turns over and just won’t start, look for issues that may cause a fuel, air, or spark restriction. Some generators will not start at all if the fuel tank is almost empty. Generator won’t start. After I plugged the leaks by mounting a cover plate, the generator started and continued running. Eventually the fuel becomes thick and sticky. The fuel valve regulates the flow of fuel into proper channels. The generator also requires enough AC voltage to keep it rotating. This usually happens when you leave fuel in the pressure washer and don’t use it for a long period of time. When the choke is turned off, the carburetor allows more airflow into the combustion chamber. 01 - Generator Carburetor. For the record that generator does not have any better sine wave than any other Generac portable generator. The carburetor might be clogged or have bad fuel in the float bowl. If your generator starts but won’t keep running, here are two likely issues to check: make sure that it’s not overloaded check for fuel or air delivery obstructions A clogged air filter, vapor lock, or dirty carburetor often cause this issue. To determine the root cause you must look at items that may restrict air, fuel, or spark after it starts running. Without any one of these items, it will shut down. Yes, it started out originally when I'd start it, I'd have to hold the glow plug or start button about 5-7 seconds before it would stay running. While machine is in 'Stand-by' you should read 13. This fixed the problem, but it is recurring. The most common cause of a carburetor becoming clogged is by leaving fuel residue in Problem. Here are some of Generac RV propane generator troubleshooting tips you should consider. With the engine now running on gasoline, slowly turn the load-block adjustment counterclockwise. Fuel Level However, ensuring the shutoff valve is open will render your efforts useless if the fuel levels are low. A clogged carburetor is most commonly caused by leaving fuel in the generator for a long period of time. My model 4390 Generac is showing a flashing overspeed light when trying to run its exercise. Common problem 3 with Generac GP 15000 or GP17500 - Won't stay running start / stop relay. First, check the fuel level and add some if needed. Keep in mind that attempting to run the generator on an uneven surface might cause the low-oil sensor to trigger despite there being enough oil. A Generac generator starts and then dies due to an empty fuel tank, plugged fuel filter, dirty carburetor, clogged fuel line, bad gas cap, dirty spark plug, faulty ignition coil, low engine oil level, or old gas. The most common cause for generator shutting down after it starts is the clogged carburetor (with old, sticky fuel that was left inside for an extended period of time). How To Fix A Generator That Won't Stay Running. My generator is a older model generac generator i think it was built in the 90s it was in storage for about 20 years or so a friend of mine had it and gave it to me. If it is correct, then it may be a faulty oil pressure switch, or it could also be stuck in the open position. If it has a fuel bowl assembly, check the internal screen for clogging. A Generac generator won’t stay running and will keep shutting off when there is a lack of air or fuel flow to the engine; the low engine oil sensor is triggered, or the generator is. Generator won't stay running Troubleshoot 01: Carburetor One possible answer is that the carburetor is clogged. Top Chris Site Admin Posts:6590 Joined:Sat Aug 04, 2018 8:46 pm. To solve this, you need to regularly check if the fuel level is. If you install a heavy diode and a 20 ohm (or so) large sand block resistor in series, off wire 14 and going to wire 4, this creates what they later called continuous flash. Start the generator on gasoline with No Load. A clogged carburetor is most commonly caused by leaving fuel in the generator for a long period of time. I recently acquired a Generac Gp15000e model 0057341. I purchased this generator the end of December so its only about 3 months old. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. By the way gravity feed from the tank is not enough to keep it running for over 30 mins. Generac Wheelhouse 5500 starts won't stay running | Smokstak® Antique Engine Community Join us and fill out the registration form with your INTERESTS, your CITY, STATE, COUNTRY, NO ZIP CODES! Your account is then manually checked and approved. Drain the bad fuel, clean it with carburetor cleaner, add fresh fuel and try it. Re: generac gp7000e wont stay running 1) Check gas cap for proper venting. It was running fine and producing power during this time, but then the engine just stopped running. I had to have a new battery installed because it wouldn't turnover. To check for spark, remove the spark plug wire from the spark plug. I believe it’s the CO sensor or carbon Small Engine Ask an Expert Car Questions Small Engine Troubleshooting ★★ I contacted my Generac rep, and we are in agreement that you have a faulty CO module. I have replaced spark plug, fuel filters air filter and carburator. 2) It’s out of gas Check the gas tank to make sure a sufficient amount of gasoline remains in the tank. Once the engine is up to full RPM’s, turn the gasoline shutoff valve to the off position. The shaft of the starter has a set of twist threads that allow centrifugal force to push the gear into the flywheel. Generac propane generator won’t start. Tried restarting it after checking oil level and fuel levels. With the engine now running on gasoline, slowly turn the load-block adjustment counterclockwise (open) until the engine speed is affected. Generac Generator Won’t Stay Running: FIND OUT WHY! 1. Use it daily and it was running fine and then shut off. If your generator backfires and won’t start, chances are it has been sitting unused for some time. The problem i have with it is when it starts it runs for about 7 seconds then it dies each time i start it and i wondering what's the problem can you guys help me out here. Common problem 3 with Generac GP 15000 or GP17500 - Won't stay running start / stop relay. I would guess that the field needs to be flashed, but this is only a guess. The control panel has 4 red lights and a green light. If you install a heavy diode and a 20 ohm (or so) large sand block resistor in series, off wire 14 and going to wire 4, this creates what they later called continuous flash. The low oil switches are inexpensive and easy to replace. , Technician 18,141 Satisfied Customers Certified on Onan and Generac generators Hank F. A Generac generator starts and then dies due to an empty fuel tank, plugged fuel filter, dirty carburetor, clogged fuel line, bad gas cap, dirty spark plug, faulty ignition coil, low engine oil level, or old gas. I have a Generac portable generator gp6500 That starts but will not stay running. Attach the spark plug wire to the spark plug. Generator won’t start. If your generator starts but won't keep running, here are two likely issues to check: make sure that it's not overloaded check for fuel or air delivery obstructions A clogged air filter, vapor lock, or dirty carburetor often cause this issue. Lack of Air in the Generac Generator Dirty Air Filter The air filter can become plugged when it isn’t cleaned or 3. The most common cause for generator shutting down after it starts is the clogged carburetor (with old, sticky fuel that was left inside for an extended period of time). With the board replacement it only turns over. My generator is a older model generac generator i think it was built in the 90s it was in storage for about 20 years or so a friend of mine had it and gave it to me. 5 volts but I never see them drop that low. I purchased this generator the end of December so its only about 3 months old. Generator won't stay running Troubleshoot 01: Carburetor One possible answer is that the carburetor is clogged. To solve this, you need to regularly check if the fuel level is optimal 2. Go to the genset and use the switch on the set itself. Model 04390-0 13Kw NG s/n:3577459 Mfg order# M981520. My DP has a Generac Propane generator. Apparently the exhaust was starving the motor for oxygen. Reply to trader_4 M Marilyn Manson posted 1 year ago Show Quoted Text Has it ever worked for you?. 6 Reasons a Generac Generator Won't Stay Running The generator requires air, fuel, and spark to keep running. generator only runs when i hold the start button on FAQ Members List Mark Forums Read Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. Check fuel and oil levels once you’ve determined that your generator is not overloaded. It starts readily but won't stay running and immediately dies unless you push the glow plug button and hold it down. It had this problem a couple years ago and was diagnosed by a tech (at a $300 cost!) to be a $20 low pressure oil sensing switch. I know nothing about your generator but many generators will not stay running if they are not producing AC power. The oil sensor is ignored until the engine has a chance to come up to speed. Generac Generator Troubleshooting & Repair | Repair Clinic Order by 9:00 p. Sometimes the oil alert system in your engine is actually doing what it should. Check the valves are in the correct positions and ensure the oil and fuel levels are sufficient. I did get it to sputter on starting fluid. 5K subscribers Subscribe 49K views 4. This will put the controller into Fault Read Mode. Keep on cleaning the carb over and over again. A clogged carburetor is most commonly caused by leaving fuel in the generator for a long period of time. If I hold the glow plug or starte switch it will stay running. If old fuel was left in the small engine for a long time, some of the volatile ingredients may have evaporated, leaving a thicker, stickier product that is more like varnish or shellac. The oil is full, fuel above half tank. A generator may not stay running because of an overload, insufficient fuel, clogged fuel cap and carburetor amongst other mechanical issues. You could have a bad oil sensor. The engine seems to be running at normal RPM while it's running, but it won't stay running. The generator fires up and then immediately shuts down. Bottom line unless the generator is running at full speed, 3600 RPM, you are not getting the proper voltage at 60 Hz. Simply open the shutoff valve before starting your generator to prevent this from happening. Fixing a Generator That Won't Stay Running - YouTube 0:00 / 3:33 Fixing a Generator That Won't Stay Running Traplines and Inlines 64. The generator sat about six months without being used and was working fine before this work was done. Generator won't stay running. Then it can make 60 cycles or Hz out of any RPM. It starts but will not stay runningruns for about 10 seconds and shuts off. First, you have to check if fuel is available whether the Generac generator is running on natural gas or propane. 2 volts dc at the battery, while cranking the starter the battery should not drop below 9. If old Replace the Carburetor Repair Kit. Jan 17, 2023 / B&S on Generac generator won't stay running #1 The issue I am having with the machine is that it was used for a short time (less than 15 minutes) during a recent power outage. If the light flashes 3 times, pauses for 3 seconds, and flashes 3 more times, press and immediately release 'Stop' one more time. That will cut off the fuel flow and cause it to stop running. Several generators are set up to short trip the main circuit breaker during an emergency fault shutdown. Hello, I own a Generac GP15000E generator, it has less than 70 hrs on it, It starts fine, and runs 35 t0 45 seconds and dies, I have checked the oil,its clean and perfect, checked the exhaust pipe for … read more satisfied customers Hello, i have a Generac GP15000E & it will run fine about 10-15 minutes then dye. I have a generac 6500 generator on a 2012 Coachmen Mirada 34BH. If you are sure there is enough oil, disconnect the wire to the oil sensor and see if the engine keeps running. Some generators will not start at all if the fuel tank is almost empty. Any combo of illumination or blinking will denote a trouble code. Generac Generator Troubleshooting & Repair | Repair Clinic Order by 9:00 p. My problem is that when we set the toggle switch to automatic, the generator starts up , runs but then doesn't shut off, even after running for an hour. Then it eventually got to the point it would start but only run a few seconds. Once at 3600 the engine governor will make sure the engine stays at 3600 regardless of load, up to the generator capacity. Generac Wheelhouse 5500 starts won't stay running | Smokstak® Antique Engine Community Join us and fill out the registration form with your INTERESTS, your CITY, STATE, COUNTRY, NO ZIP CODES! Your account is then manually checked and approved. 3 Disconnect the 2 wires on the gas solenoid and I can hear it move with 12v applied to it. The light in the switch will start flashing. Bad fuel in the float bowl will do the same thing. For the record that generator does not have any better sine wave than any other Generac portable generator. It will run 30 18,141 Related Small Engine Questions satisfied customers I have a 15kw generac standby generator that Runs on. My Generac diesel generator starts up just find but won’t stay running. Possibly I didn't get a good connection on some of the terminals. 3) The choke lever is in the wrong position. This may be a plugged fuel filter, clogged fuel lines, dirty carburetor, bad fuel tank vent, bad spark plug, or faulty ignition coil. If fuel is not available, then it means that your generator will not start at all. Generator runs poorly or does not start at all Engine starts but quits after running for about 10-15 seconds; Engine does not start but gas leaks from the air filter Engine will only start for few seconds with a squirt of starter fluid Engine will run rough under full choke but dies when choke is opened Engine sputters, guzzles gas then dies. Issue C. A clogged carburetor is most commonly caused by leaving fuel in the generator for a long period of time. But if your generator stops running after a while, it might be due to a clogged fuel. Please follow these instructions by using City, State, Country in your location!. It was in non running condition when I got it. It was in non running condition when I got it. Hello, I own a Generac GP15000E generator, it has less than 70 hrs on it, It starts fine, and runs 35 t0 45 seconds and dies, I have checked the oil,its clean and perfect, checked the exhaust pipe for … read more satisfied customers Hello, i have a Generac GP15000E & it will run fine about 10-15 minutes then dye. Go to the genset and use the switch on the set itself. 3 possible causes and potential solutions Shop by Popular Generac Generator Models. Generator starts then stops immediately. Check out this information for more items that can prevent your Generac from starting:. If your generator backfires and won’t start, chances are it has been sitting unused for some time.