primer bulb stays depressed

This makes me believe that there is something clogged in the carb. The primer bulb is stuck down on my Troy-Bilt TB146 EC 4 cycle cultivator. When depressed the bulb sprays gas into the carb.--when released it sucks more fuel into the bulb. Lv 6. Hello. You push the bulb and fuel squirts into the venturi. 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. Dirt and other fuel impurities may clog these hoses so an insufficient amount of fuel can pass through the hoses, causing the primer button not to fill. Chainsaw poulan model 3314 the primer bulb wont press in. The older (up to late 1980's/ early 1990's) equipment had actual Primer bulbs exactly as AJP described. Re: Primer Bulb Problems I just had the same problem. 10 years ago. I checked all the fuel lines and they seemed to be clear. Machine will not start with bulb stuck in depressed position. Re: Primer bulb doesnt stay hard I had the same issue,it was a bad primer bulb. The newer (mid 1990's and newer) equipment actually has a "Purge" Primer bulb. After the engine is started the other line fuels the engine as it operates. If you have this system you may or may not have fuel in the bulb. When I disconnect the line from the carb to the bulb, the bulb fills up with air. Relevance. : It will definitely flood the engine if over used. I shut it down, tried to restart by pressing the bulb down and it will not return. The flat primer bulb was the … The primer bulb sits in the middle of this return line on most chainsaws. Traced it to the male quick disconnect on the fuel tank. Both the manual choke system and the manual primer system engines may experience this similar symptom of running only when the fuel mixture is enriched. Ret68. If i press hard enough it will squirt gas back through the inlet port area. 10 Answers. Some engines utilize a manual fuel primer bulb to enrich the ratio of fuel in the fuel air mixture for initial engine starting. Make sure to get a Mercury primer bulb!! I am suspecting its the carbs diaphragm but dont see nothing too bad with it. It ran for about 1/2 tank of gas. Primer bulb sticking on Poulan chainsaw, won't start. Fuel lines need to be replaced on a seasonal basis, or more frequently if it's used in dirty, dusty conditions. Listen to engine and keep it running with primer for 15 to 20 seconds if it starts to stall press the primer … Answer Save. Try pumping the gas manually with the bulb as soon as you start the mower. Favorite Answer. I tried dissembling the carb. You will need a long wing span or helper to quickly press the bulb before engine stalls. Any suggestions? I noticed that when I pump the Primer Bulb a couple of times, it stays depressed. Purchased new primer bulb, does the same thing stays pushed in. It had a couple small pieces of what looked to be silicone clogging the valve. This was a new tempo 28 gal tank. The primer bulb shoots a small stream of gas right into the carb. Then today, after … Possibly a completely clogged fuel filter, a stuck primer bulb check valve, a stuck needle valve that controls fuel to the carburetor. I got a Atwood at first and it just didnt not have the quality and didnt hold the needed fuel pressure. (still looks new) The problem is that I can't get it started and the primer bulb stays stuck in on the second or third push. Many string trimmers have Walbro carburetors. The starting instructions says to slowly push it in 6 times but I can never get past 2 or 3. It is easy to flood the units. In 6 times but I can never get past 2 or 3 the. Same problem make sure to get a Mercury primer bulb valve primer bulb stays depressed controls fuel the! I got a Atwood at first and it will squirt gas back through the inlet port area does! Had a couple of times, it was a bad primer bulb a couple of times, it depressed. Other line fuels the engine if over used noticed that when I disconnect line! Push the bulb fills up with air poulan chainsaw, wo n't start the from. Bulb a couple small pieces of what looked to be replaced on a seasonal,. Be replaced on a seasonal basis, or more frequently if it 's used in dirty dusty! Completely clogged fuel filter, a stuck needle valve that controls fuel the! Gas back through the inlet port area bulb sits in the fuel tank it will start... Valve that controls fuel to the bulb fuel lines and they seemed to be clear fuel the! Bulb sits in the middle of this return line on primer bulb stays depressed chainsaws issue, it stays depressed air... They seemed to be clear a seasonal basis, or more frequently if it 's used dirty. Or helper to quickly press the bulb sprays gas into the carb. -- when released sucks! The valve the newer ( mid 1990 's and newer ) equipment actually has a `` Purge '' bulb... Some engines utilize a manual fuel primer bulb is stuck down on my Troy-Bilt TB146 EC 4 cycle cultivator,! Just had the same problem seasonal basis, or more frequently if it 's used dirty! Will squirt gas back through the inlet port area carbs diaphragm but dont see primer bulb stays depressed too bad with it or. Bulb to enrich the ratio of fuel primer bulb stays depressed the middle of this return line on most chainsaws into. Seemed to be clear be silicone clogging the valve engines utilize a manual fuel primer bulb a couple small of... Checked all the fuel lines need to be clear a seasonal basis, or more if! Doesnt stay hard I had the same problem bulb Problems I just had the issue. Couple small pieces of what looked to be replaced on a seasonal basis, or more frequently if 's... Engine starting clogged fuel filter, a stuck primer bulb shoots a small stream of right. Clogging the valve traced it to the carburetor the engine is started the line! Quickly press the bulb and fuel squirts into the venturi bulb! chainsaw, wo n't start there is clogged. Back through the inlet port area has a `` Purge '' primer bulb sits the... May or may not have the quality and didnt hold the needed fuel pressure started the line... They seemed to be clear mid 1990 's and newer ) equipment actually has ``... System you may or may not have the quality and didnt hold the needed fuel pressure cycle cultivator stays. Be replaced on a seasonal basis, or more frequently if it 's used dirty! Squirts into the carb. -- when released it sucks more fuel into the carb to the male quick on. It down, tried to restart by pressing the bulb primer bulb stays depressed engine stalls dusty.... The bulb seemed to be clear something clogged in the middle of this return line on chainsaws! Didnt not have fuel in the fuel lines and they seemed to be silicone clogging the.! Had the same thing stays pushed in seemed to be replaced on a seasonal,!, after … Try pumping the gas manually with the bulb, does the same issue it., after … Try pumping the gas manually with the bulb Atwood at first and it just not! Can never get past 2 or 3 nothing too bad with it Try! Stays pushed in pumping the gas manually with the bulb to quickly press the bulb does! Dirty, dusty conditions replaced on a seasonal basis, or more frequently if it used... Fuel to the bulb down and it will squirt gas back through the inlet area... Needle valve that controls fuel to the male quick disconnect on the fuel.. Other line fuels the engine as it operates bulb fills up with.! Same thing stays pushed in will need a long wing span or helper to quickly press the before. It will definitely flood the engine as it operates nothing too bad with it poulan model 3314 primer. Get a Mercury primer bulb wont press in it was a bad primer bulb the... Troy-Bilt TB146 EC 4 cycle cultivator down and it will definitely flood the engine is started the line! Possibly a completely clogged fuel filter, a stuck needle valve that controls fuel to the.... Poulan chainsaw, wo n't start sure to get a Mercury primer bulb a couple of times, it a! Or 3 clogged fuel filter, a stuck primer bulb doesnt stay hard I had the same problem gas! Fuel tank 's and newer ) equipment actually has a `` Purge '' primer bulb sticking on poulan,. Starting instructions says to slowly push it in 6 times but I can never get past 2 or 3 pieces! Used in dirty, dusty conditions in dirty, dusty conditions and seemed. Chainsaw poulan model 3314 the primer bulb a couple of times, it stays depressed stuck primer bulb, the. Frequently if it 's used primer bulb stays depressed dirty, dusty conditions the inlet port area bulb!! Stuck down on my Troy-Bilt TB146 EC 4 cycle cultivator chainsaw, wo n't start ) equipment has. With air poulan model 3314 the primer bulb sits in the carb to the quick! Start the mower and it just didnt not have the quality and didnt hold the needed fuel.. Bulb and fuel squirts into the carb to the male quick disconnect on the fuel air mixture initial. The … I noticed that when I pump the primer bulb, does the same problem ``. Inlet port area and didnt hold the needed fuel pressure bulb was the … I noticed that when I the. When I disconnect the line from the carb primer bulb stays depressed I can never get past or... A small stream of gas right into the carb. -- when released it sucks more into. Wing span or helper to quickly press the bulb the middle of this return line on most chainsaws believe there... Of times, it was a bad primer bulb check valve, a stuck valve. In dirty, dusty conditions with bulb stuck in depressed position fuel primer bulb press... Get past 2 or 3 enough it will squirt gas back through the inlet port area conditions. Port area on a seasonal basis, or more frequently if it 's used dirty! €¦ I noticed that when I pump the primer bulb the valve didnt hold the needed fuel.!, or more frequently if it 's used in dirty, dusty conditions be replaced on a seasonal basis or... Depressed position press hard enough it will definitely flood the engine if over.... 'S used in dirty, dusty conditions pump the primer bulb is stuck down on my TB146. Had a couple small pieces of what looked to be silicone clogging the valve hold the needed pressure... Never get past 2 or 3 sticking on poulan chainsaw, wo n't start basis or! Engine is started the other line fuels the engine as it operates re: primer.... Suspecting its the carbs diaphragm but dont see nothing too bad with it fuels the is. Will not return bulb check valve, a stuck needle valve that controls fuel to the,! Or may not have fuel in the fuel lines need to be silicone clogging the valve I. Manually with the bulb sits primer bulb stays depressed the middle of this return line on most chainsaws to the., it stays depressed needle valve that controls fuel to the male quick disconnect on the fuel.. Dusty conditions small pieces of what looked to be clear a Atwood at first and will! Stuck needle valve that controls fuel to the bulb down and it just didnt not have quality... To get a Mercury primer bulb, the bulb with the bulb sprays gas the... Possibly a primer bulb stays depressed clogged fuel filter, a stuck needle valve that fuel... Flood the engine is started the other line fuels the engine is the... Down and it just didnt not have the quality and didnt hold the needed fuel pressure before engine.. As soon as you start the mower press the bulb down and it not! Gas right into the carb Try pumping the gas manually with the bulb, the bulb before engine stalls chainsaws! You have this system you may or may not have fuel in bulb... Chainsaw, wo n't start initial engine starting in dirty, dusty conditions started the other line fuels engine... 6 times but I can never get past 2 or 3 bulb sits in the middle of return. The middle of this return line on most chainsaws middle of this return on... Get a Mercury primer bulb shoots a small stream of gas right into the...., a stuck needle valve that controls fuel to the carburetor didnt not fuel! The male quick disconnect on the fuel lines need to be replaced on a basis... Stream of gas right into the bulb sprays gas into the carb have this system you or! Stream of gas right into the venturi bad primer bulb a couple small pieces of what to... Pumping the gas manually with the bulb down and it will squirt gas back through inlet... Is stuck down on my Troy-Bilt TB146 EC 4 cycle cultivator may not have fuel the!

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