Fuel shooting out of carburetor Another common reason for a carburetor spitting out gas is a clogged air filter. He says that timing is good and valves are good. May 23, 2002 · My carb is having some serious isssues. Then there is vent lines for fuel tank. com/themowermedic1https://www. Set the float level dry a little low for initial startup (needle/seat assembly installed low enough that the adjustment nut just barely engages on the flats of the seat assembly). See pic 2 1. It smelled like it was flooded, so I just jumped May 24, 2012 · hello, so I have (what I believe to have) 1999 Murray with the 16. Took off cleaner and cranked it over and gas came spewing out of vent tube of carb. If your carburetor is spitting out fuel, you will need to get that repaired as soon as you can. The fuel mixture is too rich. You may possibly need to soak (in a bath cleaner) and recondition the carb with an OEM rebuild kit depending on the condition of it once you have disected it. 10 Float level adjustment. What would cause this to happen and how do I fix it? This is a fairly common occurrence after swapping fuel pumps. The problem i have now is when i crack the car fuel starts to gush out of the secondary vent tub. If working properly, None should expel fuel. As I crank it I have it floored so it doesn't flood and I get fuel spray shooting out the top of the carb, and if done long enough a flame. The needle valves on the carb are about a half a turn out from lean not rich. I believe you husky has a remote primer, right? Make sure its sucking fuel through the carb NOT pushing fuel into the carb. Internal Inspection: Disassemble the carburetor and clean it thoroughly. Checking the reed valve on my Poulan XXV. Won't turn over but gas is shooting out of top front vent of carb. Remove any Results in: Flooding, fuel coming out of accelerator pump shaft hole, leaking air horn gasket, fuel discharging out main discharge nozzles at idle, fuel dribbling down venturi after engine shut-down, poor hot-start, hesitations off idle, poor fuel economy. swbeck January 31, 2010, 2:17am May 25, 2006 · Any one ever had this problem? First time tried to turn engine over since recent rebuild (top end). It looks to be the standard 289/302 order. When I try to start it, within 2 trys to turn it over, it starts blowing fuel out of the top of the carb (front vent and primaries) to the point that I'm scared its going to catch fire any minute. Nov 7, 2006 · Today I finally got around to rebuilding the carb; it was pretty clean and in good shape inside but I sprayed it out good and changed the screen and diaphragms anyway. 11 Fuel level adjustment. Carburetor out of adjustment; Engine will not start; Engine overspeeds; Clean carburetor after removing all non-metallic parts that are serviceable. Jun 3, 2013 · Trying to get the motor started for the first time and I am getting large puffs of fire out of the top of the carb, some times the residual fuel sitting in the carb will burn off. Apr 23, 2024 · If your carburetor is spitting out gas, it may indicate a problem with the fuel mixture. Fuel is shooting up in a cloud out of my Edelbrock 650 Carb I put the carb back on the car, but hooked it up to a gas can as I took the gas tank out to take care of a couple of pin holes in the trunk pan. I am thinking that it might be the needle/seat, or maybe a stuck float? Float & Fuel Level, Adjust Vehicle Power-train Management Fuel Delivery and Air Induction Carburetor Carburetor Float Adjustments Float & Fuel Level, Adjust FLOAT & FUEL LEVEL, ADJUST Fig. As air flows through the main bore, it sucks fuel into the air stream. Long story short, after bolting on a pressure gauge, it turned out that my new little aftermarket stock fuel pump was putting out 12 lb. This VTX had starting and idle issues,Typical symptoms of a dirty and clogged carburetor. NOTE: Do not allow any chance of a spark, disconnect the primary wire(s) (usually a small 16 Gauge wire) that connect the ground (-) side terminal of the coil to the distributor Aug 24, 2022 · Fuel System Check: Confirm that the fuel supply and pressure are within the recommended range (4-6 psi). It worked pretty well. I was thinking the fuel line maybe might be clogged up, that it's backing up the fuel and then just shooting it fast to the carb. Mar 21, 2010 · You are running too much fuel pressure, 6 to 8 at the most is ok for a carb. I think I may pick up a gallon container of Berryman's Chem-Drip Carburetor & Carburetor Parts Cleaner. We get starter crank, spark, fuel (plenty of it) going to carb. It started right up, but ran a little rough. Close/tighten the screw, then turn the fuel back on. It starts and runs fine, but it spits gas out of the carb, and when I give it full throttle, it seems like it is spinning at a million rpm's. After drying out the box and the filter and hooking it all up again, the same thing happened, the hose and the box partially filled up with gas and the filter was soaked. Fuel is shooting up in a cloud out of my Edelbrock 650 Carb when I try to. These floats VTX1300 Carb Cleaning Tutorial : https://www. Customer Apr 21, 2020 · I could start and run the engine but no gas came out of the carb intake. If the air filter is dirty or clogged, it can disrupt the air-fuel mixture in the carburetor, causing it to spit out gas. BBC 468 Holley Street HP 850 Edelbrock Air Gap Comp Cams 295th7 10. Engine starts and runs great for a few minutes and then runs "rough" for 15-20 seconds and then runs smooth for another minute or so and then runs rough again. Then re-set the float level once you get the engine re-started. I did check the float adjustment. (Carburetor Float Setting)(J. I went to Autozone and got a new Edelbrock with electric choke, hooked it Feb 17, 2009 · A crack inside the fuel bowl in the needle valve area inside could be a problem. Jan 1, 2012 · My Holley 4160 is still shooting fuel out of the vent tube of the secondaries. I figured I'd rebuild the carb (Holley 600) since it's about 10 years old and probably needed it anyway. 5:1 Comp Billet MSD Dist 6AL-2 Ignition MSD Coil Checked TDC and Harmonic Balancer is reading correct Nov 27, 2024 · If the float valve is stuck or damaged, it can cause an excess amount of fuel to enter the carburetor, leading to it spitting out gas. Even if you think you know what is causing the fuel to spit out, you should always diagnose the issue first. Not good. I think that's what it is. Mar 18, 2025 · Don’t let carburetor problems hamper your ride. This is a part number 0-82750 carb. Quote Reply Topic: Fuel Shooting out of Carb Posted: Mar/25/2017 at 8:28pm: Hey All, I have a problem. Just wondering how long it takes and whats involved in checkin out the key in the flywheel. When he tries, flames shoot out of the carb. Mar 23, 2022 · Most single cylinder engines experience 'spit back' due to the cam grind - the intake valve starts to open before the piston reaches TDC so for about 20 degrees of crank rotation the piston is coming up and the valve is opening, but spit back above idle indicates a problem usually within the carb - float level too high, float needle not shutting off fuel or float needle seat o-ring failed and Sep 30, 2011 · You've probably got the float set properly but redo it as follows. You can turn off the fuel lever before you do this, and you will empty the float bowl. Mar 20, 2014 · It began to crank, but as soon as it does it dies and spits fuel from the vents in top of the carb. After troubleshooting, I noticed Fuel was coming out of that because the carb was over flowing. It is a Holley 4 bbl, but I don't know any more about the model. I put it back together, and gas out the top. But the other day it died as I was backing out of the garage, and then wouldn't crank again. What could be causing this? I thought it may be a stuck float, but rapping it How To: Honda VTX 1300 carburetor cleaning. Again, without the hose on, the engine runs fine and no gas comes out of the carb intake. I have checked the float and it wasn't Mar 20, 2015 · Engine starves for fuel at high speed (leans out) Adjust control cable or linage, to assure full choke and carburetor control. Sep 14, 2023 · I was born at night but it wasn't last night, and I realized something else was afoot. New pumps are especially suspect. Reduce the jetting size (use caution to be sure not to go lean) or increase the power valve to a higher factor to prevent it from opening too soon. Good Luck. However, the carb can still overflow and the fuel will also come out of the main discharge nozzle inside of the center of the carburetor when the engine is at idle. If fuel is coming out of that bowl vent hole, fuel will also come out of that main discharge nozzle. I had the air cleaner off, and when it would crank over, gas would shoot out the rear vent tube (?). Gas spitting out the carb usually means that one of the valves is not closing completely on the compression stroke. When cranking the engine the carb is either shooting fuel out or when the engine fires it shoots out huge flames. I was told it ran fine last year, and just picked it up it needs a few things. (rare but I have seen this) Also, drain the fuel out of carb. 5 vtwin. And adjust them slowly bring the fuel level up. Many things can cause this fuel to come out of the carburetor. when we tried to figure out what was wrong I noticed gas was shooting out the back of the carb. As always, I put in stable and ran the gas out before storing. a new seat for the needle & new needle solved the problem for now untill the ethanol messes A. - I went to start my car up after winter storage. I know it's the original fuel line. I have read so much on the internet and watched enough videos to make my head spin, but nothing is telling me what exactly is wrong. The fuel starts running out the carb through the throthle shaft, after a few minutes. Bad float – heat some water and immerse your float. Put everything back on from my original engine per maintenance manual. jeremy fountainthemowermedic1mail and business inquires themowermedic1@gmail. Fuel pump pressure – test your fuel pump. facebook. I've tried a few needle and seat assemblies. Reeves) With the carburetor body held upside down, the float being viewed from the side, adjust the float so that the free end of the float (the end opposite the hinge pin) is ever so slightly higher (just ever so slightly off level) than the other end. May 26, 2011 · There are vent lines on the top of the carb and a bowl drain at the bottom. Jan 29, 2010 · A stream out the vent is a classic stuck float problem whereas a backfire is usually a belch of air and atomized fuel. When I started the car up it ran fine for about 10 seconds and then fuel began shooting out the top of the carb. If it starts up and runs until the fuel runs out then it's a carb problem. themotorcyclemd. May 20, 2015 · Briggs Engine 127802-0640-01 95091859 Carb has primer bulb Toro Push Mower Problem-Symptoms: 1. This customer's Honda w Apr 14, 2009 · Has spark and carb is getting fuel. Fuel tank > petcock > carb bowls > accelerator pump (if applicable)/jets > intake manifold > intake valve > cylinder > exhaust valve > exhaust pipe. Feb 17, 2009 · A crack inside the fuel bowl in the needle valve area inside could be a problem. This should be an easy fix you would think but so far it has me and others stumped. The float is adjusted correctly, using the 7/16 drill bit trick and a few other efforts. Carburetor floods; Engine starves for fuel at high speed (leans out) Jun 5, 2013 · The lx188 fuel overflow problem is fixed the problem resulted from the ethanol in the fuel damaged the rubber float needel seat & it would test ok to 10 psi cold but when hot it would swell & leak fuel into the bowl & overflow out the top overflow hose. 99, and it includes a tray so you can submerse the carb/parts in the container itself and let it Feb 17, 2006 · A friend just got his carb rebuilt on his 57 Thunderchicken and hasn't been able to get the car started since. If it blows back out the intake there is something wrong in the engine. Apr 2, 2007 · She starts cranking and the engine gets a few rpms, then gas starts shooting out of the front vent tube on my 750 Holley. Engine blows out black exhaust smoke. When I took the cover off it just poured gas all over the place. Sep 27, 2006 · My buddies 04 pred was warming up and just quit. AutoZone has it for $19. Tried a different carb - same problem (both 600 Holleys)- put the carb on a different car and not problem. Comments: Over the years, several different floats were used on the Q-Jets. CW Jun 7, 2007 · The carburetor is not functioning properly and, at a minimum, will need to be spray cleaned and blown out with compressed air. Carburetor Removal: If the fuel system checks out, proceed with carburetor removal, disassembly, and reassembly. Test the fuel flow at the carburetor by disconnecting the fuel supply hose and directing the fuel flow into a small dry, clean can when the fuel pump is activated. With engine idling, visually check fuel level through sight window of float Jul 4, 2007 · Re: Fuel Coming Out Of mercury Carb I have the same motor, and the same problem. I have an issue with fuel shooting out my Holley style carbs vent tubes. I took the valve covers off to check the firing order. I received a new short block (20-522-15) in the mail the other day. Some of the causes, not in any order. Apr 1, 2011 · Take the carb back off and shoot a little starting fluid into the intake where the carb mounts. Bubbles would indicate a Use a wrench on it, 7/16 I believe. Oct 14, 2007 · Went to start up car last night it stumbled and then would not start. Hey All, I have a problem. I haven't had any luck getting it running, it started up just fine before I parked it. When I go to crank it over, (I have the hood, and air filter off mind you) it shoots a well atomized ploom of fuel straight out of the carb May 9, 2005 · C3 Tech/Performance - fuel shooting out of carb on startup. So ruled out carb - what would cause gas to blow out thru vent tube when cranking over. Dec 5, 2004 · Using a Edelbrock 650 cfm thunder series carb and a fuel pressure regulator set at the recommended 5. Process of elimination. Just loosen it, do nit remove, and fuel will flow out of it all over the damned place, unless you have read all this already and prepared for it. . Mar 27, 2022 · Flooding on an Edelbrock carburetor is a situation where the float bowl is getting too much fuel and it is pouring over the top. Nov 20, 2024 · Within a couple of minutes of running with the new fuel pump, fuel started to shoot out of the vent tubes on my Q-jet carburetor. com/themowermed Apr 12, 2014 · It was not starting so I had my son tow me to get it running. It usually blows the fuel out after I let off the starter and it hits a few times and blows fuel out, almost deiseling. I managed to flood the entire system in little over a second. Spitting fuel out of the intake suggests a significant excess of fuel getting past the carbs, either through the carbs themselves or by a stuck-open vacuum petcock. Now up to today this carb has never done this, I'm wondering if this is what happens when the float sticks on a Holley? Oct 21, 2004 · Well, I don't have a clue what is going on. com/Single-Carb-Cleaning-WorkshopsIn this video I show you just how easy it is to pull the ca Jan 16, 2017 · And the carb had a lot of was coming out of the carb mouth. Sep 23, 2011 · OR the metering diaphram and gasket were put on upside down. Aug 29, 2016 · Pull the needle/seat out of the carb, clean it up, blow it out, and re-install it. This should fix your issue. Sep 2, 2018 · Alright, Car is having troubles starting, I think its related to timing but here is what I know, looking for some advice. comhttps://www. I soon smelled gas and found gas coming out through the overflow on the top of the carburator (beneath the valve plate). Thanks, Drew Fuel valves - I am aware of 4 styles of fuel valves that are being sold: (A) the conventional pointed fuel valve (our second favorite type); (B) the aluminum plunger with a neopreme disk inserted in the plunger that seals on a inverted flare seat (our favorite, but unfortunately, the manufacturer is now out of business and no new complete units Mar 21, 2011 · Is it possible I might have to rebuild the carb with new floats, regardless of having only 1500 miles on it? I don't have that side screw on mine. I went through a long careful rebuild (thread here). Look for leaking needle and seat in carb and excessive fuel pressure. I have seen this problem when you use a needle valve out of a old style side pivot bowl used in a center pivot bowl. Ater i stop the motor, the fuel keeps running for about 1 minute before the dripping stops. Without having seen it, I am guessing that the carb is way too rich. of pressure to a carb that is never supposed to see more than 6 1/2 lb. See pic 1 Fig. If yours is carburatated. 2. I also installed a clear trap door on the hypercharger which lets you see the carb in action. youtube. Feb 5, 2020 · C3 Tech/Performance - Gas coming out of carburetor vent tube - I have a Holley 4175 Carburetor and I just rebuilt everything today, since fuel was not coming out of it originally. Worn throttle shaft on carb(s). Here are some factors, including: Incorrect Carburetor Assembly Jun 26, 2008 · C3 Tech/Performance - Holley carb shooting gas out of fuel bowl vent - I'm running a Holley double pumper on my '69 small block, and it has worked flawlessly for several years. Replace the fuel filter if necessary. Popped clutch and run around yard for awhile and it still would not start and when I looked down at carb to turn choke off and on I noticed fuel shooting out of the cover where the centrifugal clutch is. The carb has been cleaned, the flotter-needle been replaced, but no results. I'm sure most of you have had a flooding issue or a carb running rich and you just don't realize whats going on and even if you do happen to figure out what Apr 19, 2011 · I put in for the first time this season after waiting out the winter. Let’s learn together what can cause gasoline to come out of the carburetor and how to deal with it appropriately. I thought, well maybe its the carb. I am pretty sure the float is not working properly as gas is shooting out the vent tube at the top of the carb and shooting up about 6 inches!!! And not just a little but a large stream. Adjust the float very close to the bottom. This mixture then flows through the intake valve and into the engine. 11-12 can easily blow past the needle and seat and over fill the bowls Jun 27, 2007 · The carb is a Quick Fuel 750 annular discharge. I could throttle up and down no problem. Jan 19, 2024 · Fuel shooting out the carb can be caused by a intake valve hanging open when the piston is coming up for compression So I would say there is a intake valve open due to a broken valve spring or a stuck lifter or a burnt valve, OR the timing is way off (bad chain) letting a valve to be open on the compression stroke. 5 psi. I removed the carb in it is running a 180 jet so I decided to let it be since I was going to install a kuryakyn bloodgroove hypercharger. Check for clogged jets, float height issues, or a faulty needle and seat to troubleshoot the issue effectively. Put it back on, and now it doesn't die right away when I accelerate with the choke open, but what it does do is sputter and shoot a gas-air mist out of the carb's air intake! Feb 20, 2009 · I had a spray can of brake cleaner, so I got a bucket and sprayed the heck out of the entire carb. Start it up and watch what happens. Should be 4 to 5 lbs. Instead of gas getting drawn in, it gets blown out. It wasn’t clear to me from the original description. What Causes Gas Coming Out of the Carburetor. Again I thought it was running too rich. Let us know where you found the fuel escaping. May 23, 2015 · Frustration has begun to set in. What the heck is going on??? It is a holley 2300 on a 304. Another thing to look at is the plumbing for the fuel lines from the tank, to the primer, to the carb and from the carb to the tank. pesyw zfm mvqwtjr csjfg hxqfa vtr miii xwloc nden uhilc