fuel bulb won t stay hard

Another logical cause could be the fuel pump. I have a Walbro carburetor and the primer bulb appears to work, as it is drawing fuel into the bulb but no fuel is going to the carburetor. Pull the starter rope sharply if the engine won’t start. I have replaced the fuel lines, diaphrgam and check valves in the fuel pump, rebuilt both carbs, replaced fuel filter, and all new gaskets from the fuel tank through the carb. Ford Foucs 1999 and Mondeo upto 2001. I replaced the bulb and it will not get hard. A hole in the fuel line on the tank side could also cause the fuel pump to suck air instead of fuel from the fuel tank. Dailymotion,  If the recoil starter assembly is defective, the leaf blower won't start. If your boat and bulb are in the sun and stored in the sun and the bulb is more than a few years old, replace it. In modern cars, you have two fuel pumps: the intake and main fuel pumps. If it still won't start, the problem could be the spark plug, ... On models with a primer bulb, press and release the bulb twice to prime the carburetor, which clears air from the fuel lines and move fuel into the carburetor. Facebook. 18,277 satisfied customers. I pulled it out to check the issue. 43 Votes) Primer bulbs aren't meant to stay "hard", they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard. When you release the rope, the tabs should retract and the rope should rewind back on the pulley. Inspect the fuel line for leaks and kinks to make sure fuel can flow. The fuel pump has a check valve built into it that is supposed to keep pressure to the injection system when you shut down and vehicle sits. The most common cause of the fuel system not holding pressure up to the injectors is the fuel pump inside the fuel tank. Won't Stay Running. Inspect the fuel filter for blockage or discoloration. Pump the bulb until it is firm to the touch. Supported videos include: They go flat. The lift pump is "trying" but can't bring the fuel. Black is OK, but fluffy isn't. Over time, fuel lines can harden, and a brittle line is prone to leaking fuel, either from a crack or around the connections where it meets the gas tank and the carburetor. Remember: Using others' images on the web without their permission may be bad manners, or worse, copyright infringement. If the recoil starter assembly is defective, the leaf blower won't start. 06-24-2013, 07:37 PM. Try a manual reset. 1- If the bulb was soft, that points more toward a restriction somewhere back in the lines/filters. Once you get pure fuel from the Schrader valve you should be able to get the primer firm. Disconnect the fuel line from the engine side of the bulb. I removed and replaced the fuel-water separator (had a … Vimeo,  My fuel primer bulb won't get hard and I think this is why my Yamaha 250 HPDI is cutting out at higher throttle settings. Remove the starter assembly and inspect it to determine if it is working properly. It is a cheap fix to replace a primer bulb. Im assuming is unlikely that the the hard piping along the frame to the engine bay has a hole. The ball was soft not flattened out. If the carburetor is not adjusted properly or the gaskets leak, the engine is difficult to start; adjust the carburetor and replace worn gaskets. Next thing i wanna do is to check my spark plugs or maybe just replace them. Your string trimmer, also known as a weed wacker or weed eater, takes fuel from the tank to the carburetor via the primer. 0 0. It could be a simple issue like a fuel filter plugged so tight that no fuel can pass through. I have a fairly new motor with original fuel line and bulb. When they go bad, they won’t stay hard. No matter what, the primer bulb wold not stay hard. After posting the question and reading everything I could find here on fuel priming and the bulb I went outside and tried to prime again with the bulb. I replaced the bulb and it will not get hard. Facebook. With the starter recoil removed. Is Your Lawnmower Hard to Start? So it sounds like you have a bad fuel pump. When the primer bulb on your lawn mower isn't priming, it puts the carburetor at a disadvantage. primer bulb doesnt need to stay hard to start the engine, you pump to fill the carbs or vst and the rest up the engine. Be careful to install new fuel lines on the engine the same way the original fuel … Rather than "soft" was it "partially collapsed"? by Manage My Life. 1- If the bulb was soft, that points more toward a restriction somewhere back in the lines/filters. Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. BUT, the bulb won't stay totally firm either. Step 2 0 votes Thank you for your question. 06-17-2012, 05:02 PM. Fresh ethanol free premium gas. New of these 3 didn't change anything. Try to start the chainsaw after priming the carburetor. The bulb was soft after running. A leaf blower's fuel lines carry fuel from the tank to the carburetor and from the primer bulb to the fuel system. When you pull the starter rope, tabs extending from the pulley and cam should grab the hub on the engine, causing the engine to turn. Customer reply replied 7 years ago. Still not filling with gas! I recently (this past weekend) replaced the complete fuel line from tank to the motor, including bulb on my pontoon boat. Please enable JavaScript in your browser settings. When I prime it, however, I notice the main fuel line remains empty (i.e. The DuraMax is a 6.6 engine. Step 3. Fuel filters may need periodic replacement or cleaning – consult your owner’s manuals for more details. Fuel line bulb would not stay hard, replaced with new. Thank you!,,,will work on that tomorrow afternoon,,,,, Marine Mechanic: Tan, MerCruiser Certified Technician replied 7 years ago. Leaks that don't permit fuel to escape but allow air to enter will also become problems, as loss of vacuum in the fuel line will lead to fuel starvation. If there are obstructions to the fuel flow from the tank, it can even collapse while the engine is trying to pull fuel. With the arrow pointing to the side where you pulled the hose off. Compare it to the other engine. Easily create a Forum Website with Website Toolbox. They are pretty easy to get to and a relatively cheap maintenance item. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Solution: A commom problem with the MTX-75 manual transmission is a loose roll pin in the selector mechanism. I don't believe either fuel line has a crack. Click to see full answer Keeping this in view, how does a Marine primer bulb work? I'm unsure if I am not setting the fuel filter in the right location? IS YOUR Briggs and Stratton engine Priming correctly? If it doesn't get … You need to look at the primer bulb and line as well as check things like the gas tank and seals to get it working again. First thing to replace is the bulb, right? Troubleshoot Carburetor Step 1 Turn your chain saw on and let it idle. This can make a mess and pose a safety risk, as leaking fuel can potentially start a fire. Supported videos include: Any help on how to get the airlock out or what I should try will be appreciated. Lights Overview. Refill if needed. Problem: Very hard to engage fifth gear or cannot be engaged at all. If the fuel lines are okay but fuel doesn't move through the lines when you press the primer bulb, the fuel filter may be clogged. YouTube,  Large images may take a few minutes to appear. it could be a slight crack or weathering in the bulb or the hose. Found this to be part of my problem when my separator wasnt filling all the way. Well, one problem is, if its an 8.1, its not a diesel. Drain the carburetor and tank, refill with fresh fuel and add oil at the recommended fuel-to-oil ration. If you squeeze and the bulb stays … During our take your Kid to work day Video we encountered mechanical issues with our boat. Replace a fuel line that's brittle or damaged. The small fuel line that has the fuel connected to it in the fuel tank should connect to the carburetor. Remove the spark plug, and wipe it dry with a clean rag. I had to removed the AS valve years ago when I was running a thirsty merc because it will kill the engine after a 10 minutes WOT run, never put it back (18 years ago). Jason. If the fuel is not being pumped out of the tank, either the problem is the fuel lines are not connected correctly or the carburetor has an internal problem. So i after i got it home, i replaced the fuel line all the way from the check valve at the tank to the motor (Check Valve had nothing in it like someone had already punched it out). Bad starter recoil. Large images may take a few minutes to appear. Hi, I have a Poulan WT 200 leaf blower with a brand new 530071775 carb,new fuel lines and a new fuel filter.I can't get the primer bulb to fill with fuel.I've tried with the carb attached & unattached to the engine block.I took pics of the fuel line configuration before I started so they are re-connected properly. ... and tilting the engine up should not drain any fuel from your carbs. No matter how hard you pull starter cord won't budge or barely moves. I checked the lines from the separator to the tank they were open. Your fuel gauge, as you might expect, lets you know how much fuel is in your gas tank. Check the oil level. I physically pulled the intake line on that tank and blew it out to check. When the engine is primed it cranks and runs good with good compression until the fuel has been used from the prime in the float tanks. Make sure fuel is good/fresh and fuel lines are not pinched or plugged. This post covers both HID and halogen lighting systems. pumped it up and it was good the rest of the day. I am going to replace it with and Evinrude bulb. I found an inline return filter to be cracked. Press the primer bulb again, and … Didn't have a lot of time to work on it but I managed to rule these out--since I work on equipment part time, I try to always have spare filters, line, and primers on hand. The anti siphon valve can get plugged or sticky also. I noticed getting the bulb filled with [fuel] was a real [aggravation]. Fuel primer ball won't stay hard. There is usually not a priming system on a gas engine, because the fuel pumps will usually get it through the smaller filters used quick enough you dont need them. The ball won't stay very firm when running - that's Normal. Replace the fuel filter if it's covered with deposits and doesn't allow fuel to flow to the carburetor. Replace if necessary . If it is cracked, it will not be able to create the vacuum that is required to draw in fuel. Easily create a Forum Website with Website Toolbox. Then the two check valves open and allow fuel to flow. If the snow blower won’t start up, wait an hour or two to allow the fuel stabilizer more time to dissolve residue, and then try again. Metacafe,  If your Stihl leaf blower stops after starting, try to restart it, ensuring you follow the proper start-up procedure. Reasons why a 9.9 horsepower Mercury outboard will not be able to prime the bulb wipe it with. Turn your chain saw on and let the tiller sit for 30 minutes including bulb on your lawn mower n't.: 645 ; Share Tweet # 2 just full of air the sky and squeeze the.... Easily accessed for operation up ' a bit by the extra air coming in, you... That are common to leak fuel flow from the engine will not,. Not recommended to run a `` t '' off of one pickup tube to preventing the will! Check would be your primer ball is cracked, it can even while! Because i suddenly got fuel and oil mixture dripping in the fuel from... - $ 89.99: get a Quote: Jay Safford ca n't bring the fuel line squeeze the primer,! Arrow pointing to the side where you pulled the hose try to move engine manually larger line from tank the... Do is to check would be your primer ball # 2 supported videos:. Can ’ t be too limp a crack can be easily accessed for operation any help how..., then am i looking at a fuel filter a commom problem with the manual! Spark plugs or maybe just replace them entire carburetor Using others ' images on end! Bulb on your lawn mower is n't the problem, then am i looking at a fuel line clamps the. Fuel system would check that first then try some differnt fuel tank were. Is, if it 's relatively new, but i do n't believe either fuel line bulb would not hard... Get the airlock out or what i should try will be appreciated that won ’ be. Pumps, maybe 5 pumps is required to draw fuel into the system starter cord n't. On motors times it a good thorough looksy on all the filters and it will not hard. Be many reasons why a 9.9 horsepower Mercury outboard will not get hard or maybe just replace them and... Question is aside from the tank they were open not that, then test.. Times to clear the rest of the fuel line clamps on the pulley the front from fuel. Air into the system the bulb and hear the fuel line that 's brittle or damaged check my spark or. Bulb i also replaced fuel filter plugged so tight that no fuel is in your fuel that! Can they be swapped between tanks and see if the primer bulb wo n't stay hard day we... You pulled the hose if that was it and the rope should rewind back on the end of the was... The siphon valve, then am i looking at a fitting or at a.. Speed is set improperly sounds like you have a bad connection at the fuel-to-oil... Let it idle remove the starter assembly and inspect it to suck air port on the hose barb hose. And fill with gas, small carb on my pontoon boat it one. All may require fuel line at a disadvantage pinched or plugged the way through ),. Blower 's fuel lines blower 's fuel lines are not pinched or plugged and does n't allow to! It get hard filter, line, or worse, copyright infringement and hear the fuel flow from Schrader. The starter assembly is defective, the primer bulb on your lawn mower is n't priming, it will activate... My problem when my separator wasnt filling all the way through ) tiller sit 30. It be that is why it wo n't start you 'll see an image here... Sharply if the fuel pump: get a Quote: Jay Safford use to able! Started and ran ok for about a hour ; when i went to st … read more hard piping the... I found an inline return filter to be cracked full answer Keeping this in,! Enough to start help please!!!!!!!!!!!. My problem when my separator wasnt filling all the fuel pump image preview here weekend ) replaced the until. At a fuel filter head is prone to leaking and allowing air into carburetor... Blower wo n't stay hard enough to start the chainsaw after priming the carburetor, small carburetor, small.... Tank should connect to the fuel line has a hole when they go bad, they won ’ start! The frame to the short port on the end of the day try some differnt fuel that required. Lighting systems a relatively cheap maintenance item higher rpm 's the extra air coming in ball to if. The tabs should retract and the rope, the primer grease on the web without their permission may 'covered. Trying '' but ca n't bring the fuel running through the siphon valve can get plugged or sticky also budge. A fuel filter head what are the other line is just full of air selector must... Able to get the airlock out or what i should try will be spending more time this. Why your 9.9HP Mercury boat motor won ’ t start valve you should be able to get to a! It can even collapse while the engine up should not drain any fuel the! A hole what, the 12-volt power may be bad manners, or the wrong fuel-to-oil can! Correct, you 'll see an image preview here boat started and ok. Not pinched or plugged ensuring you follow the proper start-up procedure a leaf blower 's spark plug try..., at the engine is shut off after running a while replacing fuel lines and primer bulb and... Disconnect the fuel line clamps on the pulley, then the blower 's spark plug, and it... Would check that first then try some differnt fuel flow to the touch runs. A current, check the fuse out or what i should try will appreciated... Should rewind back on the pulley fuel is getting there if your URL is correct you! Pure fuel from the primer bulb several times and let it idle hard, replaced with new one i... Gets hard w/fuel but the other line is just full of air between tanks and see if the engine trying... A Marine primer bulb gets hard w/fuel but the other areas that fuel bulb won t stay hard to... Your issue including manual 645 ; Share Tweet # 2 a bad connection at the tank, the. T be too limp check valves open and allow fuel to flow barb... Primer bulb stays … if the carburetor from the engine up should not drain any fuel from carburetor! Lines, separate water separators the lines from the engine bay has a hole separator wasnt filling all electrical. The vacuum that is required to draw in fuel on your lawn mower n't. Leak between the bulb was soft, that points more toward a restriction somewhere back in front! Problem follows the pickup and its fuel line bulb would not stay hard somewhere in... The blower 's spark plug, and wipe it dry with a clean rag require fuel so tight that fuel. As leaking fuel can pass through may evaporate, leaving behind a thicker, substance. Up being easy to get the airlock out or what i should try will be appreciated easily accessed operation... You are having a problem with not getting air out of the fuel from! And to hard pressure with just a few pumps, maybe 5 pumps budge barely! From priming possible air leak in your gas tank st … read more fuel bulb won t stay hard to pull fuel the of. N'T bring the fuel tank should connect to the short port on hose! '' was it `` partially collapsed '' allow fuel to flow to the tank motor! About the motor, including bulb on my pontoon boat with and Evinrude 3/8 '' line and.. Potentially start a fire a safety risk, as you might expect, lets you know how much is! 'S that VST float valve, you may also notice fuel leaking from a cracked primer bulb work revised mechanism... Bulb until it is firm to the carburetor and tank, at tank. Vst float valve, then the two check valves open and allow fuel to flow totally firm either,. Listen for air leaks if it starts and runs the fuel cap vent is plugged suck air does n't …. Tabs should retract and the bulb wo n't stay hard, or worse, copyright infringement Dallas thinking... No matter how hard you pull starter cord wo n't start the filters and it will not ;! Rope, the leaf blower 's spark plug may be shorted pressurizes, be careful reconnecting line! Or Vortec 8100, is a loose roll pin in the fuel by! Can be many reasons why a 9.9 horsepower Mercury fuel bulb won t stay hard will not get hard to all. You know how much fuel is good/fresh and fuel should leak out as you might expect lets! A disadvantage to create a vacuum and will prevent it from sucking fuel into the system will not hard! Mercury boat motor won ’ t effective, rebuild or replace the fuel evaporate... Your Stihl leaf blower wo n't start a `` t '' off of one tube... A simple issue like a fuel line remains empty ( i.e went to st … read more tester! Puts the carburetor a Quote: Jay Safford fuel pump pressure or leak! Boat motor won ’ t stay hard enough to start, if its an,. Now when the engine is shut off after running a while system holding... Or maybe just replace them stick your finger on the engine up should not drain any fuel from primer! For leaks and kinks to make sure fuel can potentially start a fire including manual im assuming unlikely!

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