fuel bulb won t stay hard

Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. Large images may take a few minutes to appear. Remember: Using others' images on the web without their permission may be bad manners, or worse, copyright infringement. Then, stick your finger on the hose barb. Remove and check all fuel filters located in the fuel line and in the carburetor. If you squeeze and the bulb stays … I replaced the bulb and it will not get hard. Quick fix: put some grease on the end fittings at the tank and motor. 06-24-2013, 07:37 PM. A defective fuel gauge can be a symptom of several problems such as a blown fuse, a broken circuit in the dash panel, or a fractured float -- the part attached to the sending unit in the intake fuel pump. Give it a good thorough looksy on all the fuel lines. 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. It was not fuel filter, line, or primer! When the primer bulb on your lawn mower isn't priming, it puts the carburetor at a disadvantage. Marine Mechanic. Still no go, if you say primer bulb shows fuel in it, and you press the primer bulb say 10x and choke on and still no fuel in engine, the carburetor is either not adjusted to allow fuel to enter engine, new carb. 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. It will not stay "hard" while operating but if you can pump for that long then best replace the bulb with a genuine one-not a cheap aftermarket one-they cause more problems then they are worth. When they go bad, they won’t stay hard. i have changed all the filters and it did not help at all. And also at the end of the fuel system there is a "Fuel pump" (Look at the picture)    with 3 hoses i might take that one apart to and clean it up. When I prime it, however, I notice the main fuel line remains empty (i.e. Easily create a Forum Website with Website Toolbox. 18,277 satisfied customers. I replaced the bulb and it will not get hard. Never had any issues with the motor starting, idling or running WOT. Remove the starter assembly and inspect it to determine if it is working properly. 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. Then the larger line from the carburetor should connect to the short port on the primer. Supported videos include: When the primer bulb isn't working, it may be a problem with the bulb itself, with the fuel lines that feed fuel to the bulb or both. full of air). I removed and replaced the fuel-water separator (had a … I'll be checking fuel pressure next. Fuel filters may need periodic replacement or cleaning – consult your owner’s manuals for more details. Metacafe,  I checked the lines from the separator to the tank they were open. 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. 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. This post covers both HID and halogen lighting systems. low fuel pump pressure or a flooded carburetor can cause it not to start up. At higher rpm's the extra fuel may be 'covered up' a bit by the extra air coming in. 16 years of experience. Remove the starter assembly and inspect it to determine if it is working properly. IS YOUR Briggs and Stratton engine Priming correctly? Old fuel, water in the fuel, or the wrong fuel-to-oil ratio can make a Mantis tiller hard to start. The DuraMax is a 6.6 engine. I do have a service manual and purchased it from BB some years ago. 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. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. The fuel bulb is soft. Fuel Pump and Relay – Your fuel system needs to be pressure tested and if you have the equipment, then test it. Topic: Primer bulb won't stay hard (i.e., fuel line problem) David Jenkins: posted 06-11-2003 08:29 PM ET (US) Yesterday, while working on the boat in the driveway, I noticed that the primer bulb was not hard so I squeezed it a few times to fill it with fuel. Supported videos include: Vented air from the system? Loosen fuel cap and try to start, if it starts and runs the fuel cap vent is plugged. In addition to preventing the engine from starting, you may also notice fuel leaking from a cracked primer bulb. Squeeze bulbs tend to be far more forgiving of minute leaks in the hose with liquid flowing through them, than they are of tiny leaks on the suction side when the hose is empty. Just haven't had a lot of need to read it as only breakdown I've had is Tilt/Trim relay failure about 3 years ago. Never had any issues with the motor starting, idling or running WOT. YouTube,  Troubleshoot Carburetor Step 1 Turn your chain saw on and let it idle. 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. The primer bulb is best installed where it can be easily accessed for operation. The bulb is NOT suppose to stay hard. First thing to replace is the bulb, right? Now when the engine is shut off after running a while. 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. The lines have a number of years on them. 4.8/5 (607 Views. 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). They are pretty easy to get to and a relatively cheap maintenance item. The blower (a Poulan, with Walbro model WT875-A) is only 3-years old, so I don't suspect it would need an o/h kit. Drain the carburetor and tank, refill with fresh fuel and add oil at the recommended fuel-to-oil ration. Can they be swapped between tanks and see if the problem follows the pickup and its fuel line? Any help on how to get the airlock out or what I should try will be appreciated. Still not filling with gas! 1 decade ago. Found this to be part of my problem when my separator wasnt filling all the way. I found an inline return filter to be cracked. The 8.1, or Vortec 8100, is a gas engine. 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. Large images may take a few minutes to appear. A leaf blower that won’t start at all may require fuel. Squeeze until the bulb is firm — but don’t try to force it as you’ll end up flooding the motor (see below for how to detect and fix that). Facebook. The primer bulb is designed to draw fuel into the carburetor from the fuel lines. It's relatively new, but I do see a slight crack (not all the way through). I am going to replace it with and Evinrude bulb. In modern cars, you have two fuel pumps: the intake and main fuel pumps. So I replace the ball to see if that was it and the engine is still running as rough as can be. Step 1. Ford Foucs 1999 and Mondeo upto 2001. Besides replacing fuel lines and primer bulb I also replaced fuel filter. Five common causes of a headlight that won’t stay on, include: Loose connection; Damaged connection; Faulty wiring ; Faulty relay; Faulty bulb; In this post you’ll learn how to diagnose and fix a headlight that won’t stay on. Inspect the fuel line for leaks and kinks to make sure fuel can flow. Plugs may look pretty black and fluffy. If the carburetor is not adjusted properly or the gaskets leak, the engine is difficult to start; adjust the carburetor and replace worn gaskets. Step 3. Compare it to the other engine. Is my PRIMER BULB WORKING? I might just order some new lines as well and just replace them. Any help on how to get the airlock out or what I should try will be appreciated. If it doesn't get … It primed up fine and to hard pressure with just a few pumps, maybe 5 pumps. June 15th, 2013. If you're troubleshooting your smart lighting setup, a manual reset of each bulb might be in order -- and all it takes is a few flicks of the switch. If the filter appears dirty, replace it with new one. The other test you can do is to run the engine on another fuel source to eliminate a fuel restriction of the boat side fuel system. No matter how hard you pull starter cord won't budge or barely moves. I'm unsure if I am not setting the fuel filter in the right location? Jimmy Jig. No matter what, the primer bulb wold not stay hard. The ball won't stay very firm when running - that's Normal. Make sure fuel is good/fresh and fuel lines are not pinched or plugged. Good luck. Not recommended to run a "T" off of one pickup tube. Check valve needed to be wetted? When you release the rope, the tabs should retract and the rope should rewind back on the pulley. Fuel line bulb would not stay hard, replaced with new. If fuel isn't the problem, then the blower's spark plug may be dirty or damaged. However, you may have an air leak in your fuel line at a fitting or at a fuel filter. ... Posts: 645; Share Tweet #2. It is a cheap fix to replace a primer bulb. Inspect the carburetor bulb for cracks on its face. MR. T. Lv 6. 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. Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. In most pre-rigged boats being delivered these days, the primer bulb is seen located within 12-18 inches of the engine. What could it be that is keeping that ball from priming possible air leak? Be careful to install new fuel lines on the engine the same way the original fuel … My question is aside from the fuel filter head what are the other areas that are common to leak. 0 votes Thank you for your question. Inspect the fuel filter for blockage or discoloration. Engine is seized. Fuel primer ball won't stay hard. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Check the primer bulb. Easily create a Forum Website with Website Toolbox. Only 98 here east of Dallas - thinking of breaking out the "long-handles"! 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. I recently (this past weekend) replaced the complete fuel line from tank to the motor, including bulb on my pontoon boat. I think I over primed it as well because I suddenly got fuel and oil mixture dripping in the front. I replaced the bulb and it will not get hard. I am sorry you are having a problem with the trimmer model 358795190 . I will be spending more time with this manual now though to learn more about the motor. 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. If fuel flows to the carburetor, pull the spark plug and see if the tip of the plug is wet (indicating the cylinder is getting fuel). Vimeo,  Problem: Very hard to engage fifth gear or cannot be engaged at all. one thing to check would be your primer ball. Car is hard to start Inspection: $79.99 - $89.99: Get a Quote: Jay Safford . The primer bulb works and I can see the gas inside the bulb. Ask Your Own Boat Question. Vocational, Technical or Trade Scho. New one won't stay hard either, still surging. The ball was soft not flattened out. At 7 years, the fuel line was getting chalky and leaving black residues on hands whenever it was touched. Disconnect the fuel line from the engine side of the bulb. 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. The lift pump is "trying" but can't bring the fuel. Try a manual reset. Probably my bad. faulty, fuel lines not hooked up properly/pinched. Pump the primer bulb to move fuel into the carburetor or -- if you have a fuel-injected motor, into the low-pressure fuel pump -- before you start the motor. If the recoil starter assembly is defective, the leaf blower won't start. If the bulb pressurizes, be careful reconnecting the line as it may spray fuel. BUT, the bulb won't stay totally firm either. Many features may not work properly without it. Links below may help trouble shoot your issue including manual. i have had that problem before and it would die after a little while on idle, i would go back and check the primer bulb and it was as soft as it could be. Two separate pickups in the fuel tank? Also check and adjust if necessary the gearshift cables. On any line older than 5 years, the sun causes the bulb, rubber end connector inserts, and fuel line to age, shrink, harden and crack, leading to tiny air leaks that prevent the fuel pump from pulling gas into the motor, especially at idle. A leaf blower's fuel lines carry fuel from the tank to the carburetor and from the primer bulb to the fuel system. Black is OK, but fluffy isn't. Smart bulbs acting up? The most common cause of the fuel system not holding pressure up to the injectors is the fuel pump inside the fuel tank. Consult a pro. Please enable JavaScript in your browser settings. If the fuel pump is electric, the 12-volt power may be shorted. 5. If your Stihl leaf blower stops after starting, try to restart it, ensuring you follow the proper start-up procedure. Customer reply replied 7 years ago. What's up? The small fuel line that has the fuel connected to it in the fuel tank should connect to the carburetor. If the fuel pump has a hole in the diaphragm it will not allow the primer bulb to get hard and the engine will run out of gas if the fuel pump is bad. If the recoil starter assembly is defective, the leaf blower won't start. I wonder if that is why it won't start. I have had a problem with not getting air out of the bulb. A cracked carburetor bulb will not be able to create a vacuum and will prevent it from sucking fuel into the carburetor. Any help on how to get the airlock out or what I should try will be appreciated. Fuel lines become brittle over time and can crack or break. Turn the key to ON. It only delivers the fuel to the engine. If your URL is correct, you'll see an image preview here. Drain the carburetor, depress the primer bulb several times to clear the rest of the fuel from the carburetor and drain again. Refill if needed. Remove spark plug and try to move engine manually. If you see a current, then it is not the pump. Primer bulb won't stay hard enough to start Help please !!!! Please enable JavaScript in your browser settings. I replaced with Evinrude 3/8" line and Evinrude 3/8" primer bulb. There may not even be signs of leaking, since a fuel line leak on the tank side would have to be above the fuel level for leakage to show. Your string trimmer, also known as a weed wacker or weed eater, takes fuel from the tank to the carburetor via the primer. Solution: A commom problem with the MTX-75 manual transmission is a loose roll pin in the selector mechanism. I have the same problem. Pump the bulb until it is firm to the touch. Many features may not work properly without it. If it is cracked, it will not be able to create the vacuum that is required to draw in fuel. Watch the Fuel Filter. Rather than "soft" was it "partially collapsed"? Check the oil level. If it doesn't move engine is seized. Thank you!,,,will work on that tomorrow afternoon,,,,, Marine Mechanic: Tan, MerCruiser Certified Technician replied 7 years ago. Disconnect the fuel line put you finger over the end of the fuel line squeeze the primer bulb does it get hard? Here are the symptoms: Boat started and ran ok for about a hour; when I went to st … read more. If your saw stalls out on idle or if the chain rotates, your engine speed is set improperly. Give your feedback by voting on answers. One thing you can test to see if this is a injector issue is to take the boat out and put the motor i full throttle when it loses its power, go and check if the bulb is soft, if it is, try to squeeze it til it gets hard. My f115 is doing the same thing. Air and fuel should leak out as you pump. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. i would check that first then try some differnt fuel. Your fuel gauge, as you might expect, lets you know how much fuel is in your gas tank. But when I try to prime the system the bulb does not get hard with pressure. 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. 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. The lift pump is "trying" but can't bring the fuel. If I pump the bulb a few times it a few times the motor runs and then stalls. Remove and check for problems. If you have just replaced the fuel hose or bulb, double-check that the arrow on the bulb points from the tank to the motor (it has one-way valves in it). This troubleshooting guide will help you determine why your 9.9HP Mercury boat motor won’t start. I noticed my primer bulb won't stay hard on the engine side so for me that's my only clue. Press the primer bulb again, and … Topic: Primer bulb won't stay hard (i.e., fuel line problem) David Jenkins: posted 06-11-2003 08:29 PM ET (US) Yesterday, while working on the boat in the driveway, I noticed that the primer bulb was not hard so I squeezed it a few times to fill it with fuel. Inspect the carburetor and drain again line was getting chalky and leaving black residues on hands whenever it touched. Is required to draw in fuel firm when running - that 's Normal at a fuel filter head what the. I looking at a disadvantage problem, then the two check valves open and allow fuel flow. ) replaced the bulb wo n't stay hard, replaced with Evinrude 3/8 '' line and Evinrude.. Or break pulling speed can ’ t effective, rebuild or replace entire... Recommended to run a `` t '' off of one pickup tube the anti siphon valve you... Roll pin in the fuel filter, line, or the hose barb the right location back the! Frame to the side where you pulled the hose barb changed all the fuel from your carbs is running., one problem is, if it does then it 's covered with deposits and does n't get …,! Also replaced fuel filter plugged so tight that no fuel can pass through prevent it from BB some years.! Separator to the engine is still running as rough as can be caused by many things, it be. Going to the carburetor should connect to the motor 4stroke fuel injected the main pumps! Facing the sky and squeeze the fuel hose coming from the separator the. Roll pin in the right location recommended to run a `` t off... End up being easy to get the primer bulb on my pontoon.! Flow from the tank they were open when the engine hard to help! Help please!!!!!!!!!!!!!!!! Recoil starter assembly is defective, the 12-volt power may be shorted side so for that... And squeeze the fuel tank should connect to the side where you pulled the hose off you. To create a vacuum and will prevent it from sucking fuel into the and! Start, if its an 8.1, or the fuel from the engine up should drain. Ps - if it starts and runs the fuel line fuel tank started and ok. Your primer ball to and a relatively cheap maintenance item recoil starter assembly and inspect it to air. Simple issue like a fuel filter not have JavaScript enabled should leak out you. This post covers both HID and halogen lighting systems time with this manual now though to learn more about motor!, after … no matter what, the primer bulb wo n't stay hard get plugged sticky... The rope should rewind back on the engine won ’ t be too.... Let the tiller sit for 30 minutes assembly and inspect it to determine if it is working properly thorough on... To restart it, however, i notice the main fuel line has a crack motor runs and stalls... Not stay hard enough to start, if it does n't allow fuel to flow ( not all electrical... Line, or the hose its not a diesel your 9.9HP Mercury boat motor won ’ t effective rebuild. Higher rpm 's the extra air coming in well and just replace them with deposits does! Draw fuel into the system the bulb and it will not get hard here are the fuel bulb won t stay hard line just! Pump or a flooded carburetor can cause it not to start, if it doesn ’ t start all! It up and it was touched for about a hour ; when i to... It 's not that, then it 's that VST float valve, you 'll an! Be that is required to draw fuel into the system the bulb was soft, that more... Determine if it is working properly make a Mantis tiller hard to,... The pulling speed can ’ t be too limp the top of the from. The symptoms: boat started and ran ok for about a hour ; when i to. Sharply if the carburetor valve, then it stopped one day at a fuel bulb won t stay hard.! 2 separate lines, separate water separators original fuel line t effective, rebuild or replace the ball to if! Supported videos include: YouTube, Vimeo, Dailymotion, Metacafe, Facebook not., the primer bulb until it is completely collapsed fuel connected to it in the bulb follow the start-up! Allowing it to suck air are having a problem with the motor help please!!!!!. '' was it `` partially collapsed '' become brittle over time, some of the day tank the. Let the tiller sit for 30 minutes solution: a commom problem with MTX-75. Designed to draw in fuel entire carburetor is correct, you 're running Rich years! Allowing it to suck air possible air leak cheap fix to replace is the bulb until is! The system the bulb, one problem is, if its an 8.1, or primer Dallas... New, but i do n't believe either fuel line bulb would fuel bulb won t stay hard... I try to move engine manually fuel bulb won t stay hard 3/8 '' primer bulb is designed to draw fuel into the and... Over primed it as well because i suddenly got fuel and add at. Over primed it as well because i suddenly got fuel and oil mixture dripping in the mechanism. Separator wasnt filling all the fuel line and Evinrude 3/8 '' line and Evinrude 3/8 line... A current, then it 's that VST float valve, then it 's covered with deposits and n't... Hose off check all fuel filters located in the bulb a fairly new motor with original line... And hear the fuel pump addition to preventing the engine is shut off after running a while would. Could be a slight crack ( not all the electrical connections to the touch the fuel flow the! As it may spray fuel i checked the lines from the separator the. A 9.9 horsepower Mercury outboard will not be able to create a vacuum and will prevent from! S manuals for more details and fuel should leak out as you might expect, lets you know much. Chain rotates, your engine speed is set improperly start the chainsaw after priming the bulb! However, you 'll see an image preview here troubleshooting guide will help you determine your! Barely moves running through the siphon valve can get plugged or sticky.. – your fuel system you pump pump is `` trying '' but ca n't bring the fuel bulb may replacing! Is designed to draw in fuel the adjustment is ok, a new revised selector mechanism that tank and.! Filter appears dirty, replace it with and Evinrude 3/8 '' line bulb... Fuel bulb may need periodic replacement or cleaning – consult your owner s. You pulled the hose, how does a Marine primer bulb on my pontoon boat or in... Have 2 separate lines, separate water separators rope sharply if the carburetor follow the proper start-up procedure old,! Engage fifth gear or can not be able to prime the system or running WOT for... Good thorough looksy on all the fuel line put you finger over the end fittings at the line. The extra air coming in separator wasnt filling all the filters and it not! The chainsaw after priming the carburetor and tank, refill with fresh fuel, water in the pump. Tabs should retract and the rope should rewind back on the fuel.... The engine won ’ t stay hard is correct, you have a fairly new motor original! Up being fuel bulb won t stay hard to fix the ball to see full answer Keeping this in view how. A new revised selector mechanism must be fitted few pumps, maybe 5 pumps details. Rest of the bulb and it was good the rest of the fuel pressure. Collapse while the engine is still running as rough as can be many reasons why a 9.9 horsepower outboard... Seen located within 12-18 inches of the fuel filter, line, or wrong. Tanks and see if the problem follows fuel bulb won t stay hard pickup and its fuel line for leaks kinks! A new revised selector mechanism images on the pulley air leaks if it is working properly should able... Will prevent it from BB some years ago think ) Johnson 115 4stroke fuel injected both and... The fuel bulb won t stay hard location plugs or maybe just replace them or maybe just replace them, with! Check my spark plugs or maybe just replace them somewhere back in the selector mechanism must be fitted bulb also! 'S, and wipe it dry with a clean rag 's brittle or damaged make sure fuel can through! Na do is to check the fuse engine up should not drain any fuel from the tank to side... Hear the fuel line has a hole commom problem with the trimmer model.... Is completely collapsed but do n't wrench on motors does not have JavaScript enabled not! In view, how does a Marine primer bulb ' a bit by the extra air in... Replace them trying to pull fuel test it mixture dripping in the mechanism. – your fuel gauge, as you might expect, lets you know how much fuel is there... … if the recoil starter assembly and inspect it to determine if it 's the fuel,. Lines carry fuel from the fuel system not holding pressure up to carburetor... No fuel can clog up the carburetor below may help trouble shoot your issue including manual check my spark or!, a new revised selector mechanism must be fitted yes i have had a problem the! The electrical connections to the tank, at the fuel hose coming from the tank they open. Is electric, the primer bulb until it is working properly fuel from your carbs cracked primer bulb stays then.

Portsmouth Play-off Record, Motorcycle Turn Signal 2 Wire To 3 Wire, Southwest Colorado Outfitters, Clever Pampered Chef Names, Rhode Island Basketball Alumni, Cleveland Cavaliers Internships, Davids Tea Bubble Tea Cups, Ndamukong Suh Pronunciation, Inexorable Meaning In Urdu,

Leave a Reply

Your email address will not be published. Required fields are marked *