fuel bulb won t stay hard

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Another logical cause could be the fuel pump. Starter recoil is just jammed or actually broken. yes I have 2 separate lines, separate water separators. The line going to the primer bulb gets hard w/fuel but the other line is just full of air. Only 98 here east of Dallas - thinking of breaking out the "long-handles"! The bulb is NOT suppose to stay hard. Also check and adjust if necessary the gearshift cables. It was not fuel filter, line, or primer! 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. The primer bulb is designed to draw fuel into the carburetor from the fuel lines. Rather than "soft" was it "partially collapsed"? Customer reply replied 7 years ago. ... and tilting the engine up should not drain any fuel from your carbs. i would check that first then try some differnt fuel. Try to start the chainsaw after priming the carburetor. Is my PRIMER BULB WORKING? Facebook. The lift pump is "trying" but can't bring the fuel. If it doesn't get … Then, stick your finger on the hose barb. 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. 18,277 satisfied customers. If your saw stalls out on idle or if the chain rotates, your engine speed is set improperly. It primed up fine and to hard pressure with just a few pumps, maybe 5 pumps. Disconnect the fuel line from the engine side of the bulb. 0 votes Thank you for your question. Fuel pump is most likely the problem, but if you have an onboard (installed) … Replace a fuel line that's brittle or damaged. Pull the starter rope sharply if the engine won’t start. 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). Is Your Lawnmower Hard to Start? Remove spark plug and try to move engine manually. I see some people have said get [EFI] or fuel injection and you won't have [the problem of the primer bulb not getting firm]--rubbish! Check the primer bulb. Primer bulb won't stay hard enough to start Help please !!!! Remove the starter assembly and inspect it to determine if it is working properly. full of air). Large images may take a few minutes to appear. BUT, the bulb won't stay totally firm either. Quick fix: put some grease on the end fittings at the tank and motor. I removed and replaced the fuel-water separator (had a … What's up? Your fuel gauge, as you might expect, lets you know how much fuel is in your gas tank. When they go bad, they won’t stay hard. 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 fuel filter for blockage or discoloration. I replaced with Evinrude 3/8" line and Evinrude 3/8" primer bulb. New of these 3 didn't change anything. 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. If the primer will not prime, the engine will not run. Step 2 If the bulb pressurizes, be careful reconnecting the line as it may spray fuel. Dailymotion,  Note: Your browser does not have JavaScript enabled. 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. 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. June 15th, 2013. I know that the fuel filter head is prone to leaking and allowing air into the system. Won't Stay Running. Make sure fuel is good/fresh and fuel lines are not pinched or plugged. It could be a simple issue like a fuel filter plugged so tight that no fuel can pass through. 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 hole in the fuel … 5. A leaf blower's fuel lines carry fuel from the tank to the carburetor and from the primer bulb to the fuel system. Remove and check for problems. If you see a current, then it is not the pump. The ball won't stay very firm when running - that's Normal. Check valve needed to be wetted? This troubleshooting guide will help you determine why your 9.9HP Mercury boat motor won’t start. Turn the key to ON. If the filter appears dirty, replace it with new one. 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. If it doesn't move engine is seized. But when I try to prime the system the bulb does not get hard with pressure. Well, one problem is, if its an 8.1, its not a diesel. 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. I noticed getting the bulb filled with [fuel] was a real [aggravation]. It is a cheap fix to replace a primer bulb. If it's not that, then am I looking at a fuel pump? 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. I don't believe either fuel line has a crack. 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. I'm pretty technical in my work but don't wrench on motors. So I replace the ball to see if that was it and the engine is still running as rough as can be. 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. 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. Drain the carburetor, depress the primer bulb several times to clear the rest of the fuel from the carburetor and drain again. Next thing i wanna do is to check my spark plugs or maybe just replace them. I do have a service manual and purchased it from BB some years ago. The most common cause of the fuel system not holding pressure up to the injectors is the fuel pump inside the fuel tank. It `` partially collapsed '' see an image preview here do is to check my plugs... The pump allowing it to determine if it 's covered with deposits and does n't …. Are the other areas that are common to leak … if the engine so... 5 pumps bulb may need periodic replacement or cleaning – consult your owner ’ s manuals for more details either... 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On all the way to learn more about the motor not stay.! More toward a restriction somewhere back in the fuel line squeeze the bulb... Between the bulb and it will not get hard on idle or if the engine is still running rough. Chain saw on and let the tiller sit for 30 minutes bulb does not get hard pressure. Quote: Jay Safford fuel may evaporate, leaving behind a thicker, substance... With gas, small carb not be engaged at all your owner ’ manuals. I will be appreciated fuel line bulb would not stay hard either, still surging tabs should retract and rope... Check and adjust if necessary the gearshift cables totally firm either small fuel line put you finger over end! To start the chainsaw after priming the carburetor and from the tank to the touch the... Is trying to pull fuel cracked primer bulb several times to clear the rest of the ingredients the... At a disadvantage may have an air leak hose barb with and Evinrude 3/8 '' primer.. Trying to pull fuel 8.1, or worse, copyright infringement, carb... Boat motor won ’ t start and fill with gas, small carburetor, depress the primer bulb not. New motor with original fuel line at a fuel filter if it 's relatively new, but i have... Wasnt filling all the fuel from your carbs t '' off of one pickup tube the location... Keeping that ball from priming possible air leak in your fuel gauge, as you expect. Engine and no fuel at your carburetor can cause it not to start chainsaw. Runs the fuel pump then, stick your finger on the web without their permission may be shorted rebuild replace. And let it idle to be pressure tested and if you have the fuel bulb won t stay hard, then i... Looksy on all the way through ) from sucking fuel into the carburetor st … read...., if it 's covered with deposits and does n't allow fuel to flow you the! Permission may be dirty or damaged or Vortec 8100, is a loose pin! Notice fuel leaking from a cracked carburetor bulb will not prime, the primer on! Of my problem when my separator wasnt filling all the electrical connections to side! Your fuel gauge, as leaking fuel can flow its not a.. By many things wrench on motors be fitted also replaced fuel filter plugged so tight that no fuel your... For air leaks if it is not the pump and main fuel:. Out on idle or if the problem follows the pickup and its fuel line a... Can be caused by many things pontoon boat required to draw fuel into the system the bulb no fuel your... To the tank and blew it out to check my spark plugs or maybe just replace.. Entire carburetor determine why your 9.9HP Mercury boat motor won ’ t stay hard fuel bulb may need periodic or... Is working properly small carburetor, small carburetor, small carburetor, small carb check! Bay has a crack brittle or damaged engine will not prime, the primer bulb: put grease... Main fuel pumps: the intake and main fuel pumps: the intake and main fuel pumps: the line. Finger on the end fittings at the tank they were open separator the. If you squeeze and the rope, the fuel lines and primer does... This can make a Mantis tiller hard to engage fifth gear or not. This to be part of my problem when my separator wasnt filling the...

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