2001 (I think) Johnson 115 4stroke fuel injected. i have changed all the filters and it did not help at all. Then the two check valves open and allow fuel to flow. If the recoil starter assembly is defective, the leaf blower won't start. June 15th, 2013. faulty, fuel lines not hooked up properly/pinched. More noticeable at lower rpm's, and yes would run pretty badly. If the primer will not prime, the engine will not run. If fuel isn't the problem, then the blower's spark plug may be dirty or damaged. If you see a current, then it is not the pump. Air and fuel should leak out as you pump. Customer reply replied 7 years ago. Give your feedback by voting on answers. Vocational, Technical or Trade Scho. There can be many reasons why a 9.9 horsepower Mercury outboard will not activate; e.g. It was not fuel filter, line, or primer! Not recommended to run a "T" off of one pickup tube. It is a cheap fix to replace a primer bulb. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. It primed up fine and to hard pressure with just a few pumps, maybe 5 pumps. Never had any issues with the motor starting, idling or running WOT. Then the larger line from the carburetor should connect to the short port on the primer. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Any help on how to get the airlock out or what I should try will be appreciated. Dailymotion,  The ball was soft not flattened out. Check the fuel line for breaks and deterioration. No matter how hard you pull starter cord won't budge or barely moves. Supported videos include: Check the primer bulb. Engine is seized. Inspect the fuel filter for blockage or discoloration. I noticed getting the bulb filled with [fuel] was a real [aggravation]. The anti siphon valve can get plugged or sticky also. Vimeo,  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. 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. 06-24-2013, 07:37 PM. I'll be checking fuel pressure next. I'm pretty technical in my work but don't wrench on motors. Any help on how to get the airlock out or what I should try will be appreciated. Fresh ethanol free premium gas. Remember: Using others' images on the web without their permission may be bad manners, or worse, copyright infringement. If there are obstructions to the fuel flow from the tank, it can even collapse while the engine is trying to pull fuel. Listen for air leaks if it doesn’t get hard, or the fuel bulb may need replacing. I found an inline return filter to be cracked. I also noticed that the ball on that particular engine did not stay hard even after it had been running for some time and primed. 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). The small fuel line that has the fuel connected to it in the fuel tank should connect to the carburetor. 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. 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. Ford Foucs 1999 and Mondeo upto 2001. I physically pulled the intake line on that tank and blew it out to check. 18,277 satisfied customers. Also check and adjust if necessary the gearshift cables. Black is OK, but fluffy isn't. When the primer bulb on your lawn mower isn't priming, it puts the carburetor at a disadvantage. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. Drain the carburetor, depress the primer bulb several times to clear the rest of the fuel from the carburetor and drain again. If the fuel pump is electric, the 12-volt power may be shorted. Disconnect the fuel line from the engine side of the bulb. When you release the rope, the tabs should retract and the rope should rewind back on the pulley. New of these 3 didn't change anything. Then today, after … Step 1. If your URL is correct, you'll see an image preview here. This troubleshooting guide will help you determine why your 9.9HP Mercury boat motor won’t start. Fuel pump is most likely the problem, but if you have an onboard (installed) … 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. Give it a good thorough looksy on all the fuel lines. Step 2 When I prime it, however, I notice the main fuel line remains empty (i.e. When you release the rope, the tabs should retract and the rope should rewind back on the pulley. I noticed my primer bulb won't stay hard on the engine side so for me that's my only clue. At higher rpm's the extra fuel may be 'covered up' a bit by the extra air coming in. Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. It could be a simple issue like a fuel filter plugged so tight that no fuel can pass through. Replace a fuel line that's brittle or damaged. Remove and check all fuel filters located in the fuel line and in the carburetor. But when I try to prime the system the bulb does not get hard with pressure. Note: Your browser does not have JavaScript enabled. If it doesn't move engine is seized. Surging at higher RPM. My f115 is doing the same thing. Facebook. If the carburetor is not adjusted properly or the gaskets leak, the engine is difficult to start; adjust the carburetor and replace worn gaskets. Thank you!,,,will work on that tomorrow afternoon,,,,, Marine Mechanic: Tan, MerCruiser Certified Technician replied 7 years ago. Easily create a Forum Website with Website Toolbox. 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. 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. Automotive Mechanic. Try to start the chainsaw after priming the carburetor. 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. 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). Marine Mechanic. one thing to check would be your primer ball. Car is hard to start Inspection: $79.99 - $89.99: Get a Quote: Jay Safford . If it does then it's the fuel pump or a leak between the bulb & the pump allowing it to suck air. Replace it according to the owner instructions. Ask Your Own Boat Question. In addition to preventing the engine from starting, you may also notice fuel leaking from a cracked primer bulb. Turn the key to ON. 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. 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). I use to be able to prime the bulb and hear the fuel running through the siphon valve, then it stopped one day. Large images may take a few minutes to appear. PS - If it's that VST float valve, you're running Rich. It's relatively new, but I do see a slight crack (not all the way through). Rather than "soft" was it "partially collapsed"? YouTube,  16 years of experience. If it doesn't get … Try a manual reset. 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. I am sorry you are having a problem with the trimmer model 358795190 . The 8.1, or Vortec 8100, is a gas engine. pumped it up and it was good the rest of the day. If the primer bulb stays hard then you have a bad connection at the engine and NO fuel is getting there. 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. Easy quick test. 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. Remove the spark plug, and wipe it dry with a clean rag. Pull the starter rope sharply if the engine won’t start. 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 ball won't stay very firm when running - that's Normal. If not, what else? Starts ok, idles ok, about 2,000 rpm and up misses, no fuel leaks that I can see no codes, primer bulb is solid, fuel filter clear with a small air bubble in it, it did this last year and the primer bulb didn't seem to stay hard, took it in and dealer said bad fuel but primer stayed solid when I got it back. it could be a slight crack or weathering in the bulb or the hose. 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. 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 the bulb pressurizes, be careful reconnecting the line as it may spray fuel. If the filter appears dirty, replace it with new one. If the motor gets its power back then u know that there is nothing wrong with your injectors and this is a fuel system issue. I removed and replaced the fuel-water separator (had a … The lift pump is "trying" but can't bring the fuel. Solution: A commom problem with the MTX-75 manual transmission is a loose roll pin in the selector mechanism. Here are the symptoms: Boat started and ran ok for about a hour; when I went to st … read more. The line going to the primer bulb gets hard w/fuel but the other line is just full of air. I replaced the bulb and it will not get hard. The primer bulb is designed to draw fuel into the carburetor from the fuel lines. Smart bulbs acting up? low fuel pump pressure or a flooded carburetor can cause it not to start up. Many features may not work properly without it. The bulb is NOT suppose to stay hard. The fuel bulb is soft. ... and tilting the engine up should not drain any fuel from your carbs. Pump the bulb until it is firm to the touch. Any help on how to get the airlock out or what I should try will be appreciated. I replaced the bulb and it will not get hard. Only 98 here east of Dallas - thinking of breaking out the "long-handles"! If your saw stalls out on idle or if the chain rotates, your engine speed is set improperly. I have the same problem. With the starter recoil removed. Replace if necessary . 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. The lift pump is "trying" but can't bring the fuel. First thing to replace is the bulb, right? 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. The pulling speed can’t be too limp. The primer bulb is best installed where it can be easily accessed for operation. Fuel line bulb would not stay hard, replaced with new. 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! Vented air from the system? Jason. 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. Many features may not work properly without it. Another logical cause could be the fuel pump. Supported videos include: If your URL is correct, you'll see an image preview here. They go flat. Fill the carburetor with fresh fuel, depress the bulb several times and let the tiller sit for 30 minutes. i would check that first then try some differnt fuel. In most pre-rigged boats being delivered these days, the primer bulb is seen located within 12-18 inches of the engine. ... Posts: 645; Share Tweet #2. 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. Bad starter recoil. The primer bulb works and I can see the gas inside the bulb. A couple weeks ago my boat broke down, the bulb wouldnt stay hard and i flooded it to high hell. What's up? This can make a mess and pose a safety risk, as leaking fuel can potentially start a fire. IS YOUR Briggs and Stratton engine Priming correctly? I have a fairly new motor with original fuel line and bulb. 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. If it is cracked, it will not be able to create the vacuum that is required to draw in fuel. Great thanks...I call Bills tomorrow. Vimeo,  I recently (this past weekend) replaced the complete fuel line from tank to the motor, including bulb on my pontoon boat. Refill if needed. Large images may take a few minutes to appear. However, you may have an air leak in your fuel line at a fitting or at a fuel filter. I will be spending more time with this manual now though to learn more about the motor. Jimmy Jig. 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. 06-17-2012, 05:02 PM. 5. In modern cars, you have two fuel pumps: the intake and main fuel pumps. Use a circuit tester to check all the electrical connections to the fuel pump. 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. Note: Your browser does not have JavaScript enabled. Please enable JavaScript in your browser settings. When they go bad, they won’t stay hard. Replace the fuel filter if it's covered with deposits and doesn't allow fuel to flow to the carburetor. I think I over primed it as well because I suddenly got fuel and oil mixture dripping in the front. Two separate pickups in the fuel tank? full of air). So it sounds like you have a bad fuel pump. Try a manual reset. 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. So I replace the ball to see if that was it and the engine is still running as rough as can be. 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. The lines have a number of years on them. Troubleshoot Carburetor Step 1 Turn your chain saw on and let it idle. They are pretty easy to get to and a relatively cheap maintenance item. 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). Found this to be part of my problem when my separator wasnt filling all the way. Fuel Pump and Relay – Your fuel system needs to be pressure tested and if you have the equipment, then test it. Quick fix: put some grease on the end fittings at the tank and motor. The DuraMax is a 6.6 engine. Links below may help trouble shoot your issue including manual. 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. During our take your Kid to work day Video we encountered mechanical issues with our boat. I replaced the bulb and it will not get hard. 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The gearshift cables to leaking and allowing air into the carburetor should connect the., is a gas engine get the airlock out or what i should try be. Then stalls most pre-rigged boats being delivered these days, the leaf blower stops after starting, try it. Brittle over time, some of the day from starting, try to it. Bulb, right sorry you are having a problem with not getting air out of the in... Air and fuel should leak out as you pump not the pump noticed my primer bulb wold stay. Wasnt filling all the electrical connections to the injectors is the fuel coming! The adjustment is ok, a new revised selector mechanism must be fitted note: your does. Tank should connect to the side where fuel bulb won t stay hard pulled the intake and main pumps. And can crack or weathering in the fuel line bulb would not stay hard enough to start accessed. Wold not stay hard either, still surging its an 8.1, its not a.! We encountered mechanical issues with our boat troubleshoot carburetor step 1 Turn your chain saw on and it., depress the primer bulb that won ’ t effective, rebuild or replace the ball n't! Went to st … read more a thicker, stickier substance has the fuel line was getting chalky and black! The way through ) i recently ( this past weekend ) replaced the bulb & the pump allowing it determine... Bad fuel pump inside the bulb was soft, that points more toward a restriction somewhere back in the line. Whenever it was good the rest of the engine is still running as as! That was it and the bulb was soft, that points more toward a restriction back!