Bilt Tb70ss Gas Trimmer

My troybilt weedeater will start and idle with the choke on but when you throttle it up it will die.
Experienced gardeners share their insights in answering this question :
Make sure your gas supply is fresh…not from last year…Secondly, clean and service the air filter element… you may need to reoil it before installation…check your manual.Disconnect the fuel line and drain it and what little is in the carb…push on the prime bulb if it’s got one… Then with a clean air filter and fresh gas… give it a start and after start, disengage the choke..Let me know how you do..K

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If your trimmer engine idles, but stalls on throttle, check the following parts: the gasket, primer bulb, fuel filter, air filter, fuel vent, fuel line, and carburetor. The repair and symptom guide will help you better identify the part needed to be replaced and how.
Clean the Exhaust Spark Arrestor Screen

As with plug fouling, too much oil in the gasoline, inferior oil, a dirty air filter and/or continued operation at less than full throttle will plug the screen with carbon deposits. This prevents exhaust gas flow, which leads to power loss.

Sometimes a weed eater will start, and even idle just fine, but when you give it gas, it dies. This is often a sign that the engine is struggling to get sufficient amounts of either fuel or air. When it comes to gas-powered weed eaters, the problem often lies with the quality and flow of fuel.
If the engine is not revving up and cuts out before you reach higher revs then you need to do the following checks: Fuel: Make sure it is fresh and correctly mixed (see `Starting Issues`). Air filter: Make sure it is clean and unclogged. Fuel cap: Make sure it`s hand-tight.
The most likely culprit is a dirty or clogged air filter. Issues with your fuel pump or fuel filter can also cause your engine to idle then die with any throttle. If you have an older car, it could also be a bad carburetor.
The clutch engages the clutch pads to spin the trimmer head. If the clutch assembly is defective, the clutch will not disengage the clutch pads, and the trimmer head will continue to spin, even at low speeds. If the clutch is defective, replace it.
Poor Engine Performance

After the engine finally begins to start, it may tend to die out immediately if something is wrong with its spark plug. In some cases, the engine may run for a while then stop while mowing. Each time the engine dies, it must be restarted, which usually proves more difficult as the engine warms.

If there is too much oil in the mixture, it can cause excessive smoke in the exhaust, oil leaking from the filter and loss of power. Too little oil allows the piston and cylinder to become hot and destroys the engine. You must first remove the old fuel and oil mixture to replace it with the correct ratio.
Electric string trimmers start up effortlessly, perform quietly, and have zero emissions. On the flip side, gas string trimmers have endless run times (as long as you refuel) and, historically, better performance.
When your trimmer starts and runs on choke, it could be because the check valve in the gas cap is clogged. Start the trimmer and gently unscrew the gas cap halfway off. Turn the choke off and assess. If the engine is still running, that means the gas cap may be the culprit.
Remove the air filter and spray carburetor cleaner into the intake. Let it sit for several minutes to help loosen and dissolve varnish. Replace the filter and try starting the trimmer. If this doesn`t solve the problem, consider disassembling the carburetor to give it a more thorough cleaning.

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25 hp kolhler won’t stay running
ANSWER : Check fuel filter, it may be clogged, if so replace

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My mower will start but won't stay running – Toro LX466 22HP Lawn Tractor 13RT61RH244
ANSWER : I am going to respond 2 times to this post. The first reply will be generic things to check.
First off check the oil level and make sure it is serviced to full.
If your having a lack of fuel (runing lean) you will need to check fuel flow at the carb fuel mainfold. It should fill a spray paint can lid in less than 10 seconds but teting flow rated of the main fuel line. If you have poor flow here… you need to check the fuel filter and the fuel tank outlet port for obstructions.

Good Fuel flow still shutting off…. remove the carb float bow and clean the debris from the bow’ and the treaded area where the fuel solenoid mounts Additionally you will have to again remove the main fuel line and spray carb cleaner in the float needle area to flush out any debris through the fuel hose connection.

For the second response I need to know which engine is installed on your mower by MODEL number if you can locate it. (there are 3 engines) At least try to find the engine model number. If you can not locate it Brand and HP of the engine (I assume 22 hp) Thanks for choosing FixYa,
Kelly

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Toro 149cc Lawn Mower Won't Start – Toro Lawn Mower With Toro Power Tools
ANSWER : Bad carburetor your old fuel jammed up the jet so it won’t get fuel and if it does it will start and shut off So replace the carb or try to clean the jet and run non oxy fuel only

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Mower won’t start
ANSWER : This may sound stupid but don’t mean it to…
Have you tried with the choke all the way open? Do you have an automatic cruise? Is the right (correct) pedal being pushed in? These will affect if it starts or not. Also if your drive belt or one of the other belts not being tight enough will affect if it starts or just turns over. Not too many things can stope it from starting with new/good battery AND if its getting gas. Try cleaning your gas line and obviously making sure there is no obstruction around or near your blade, if it does start with blade engaged that is :))
If it doesn’t start with blade engaged, well make sure it’s in neutral. Mine won’t start in reverse but will in forward or neutral.

Hope it helps.

Anthony

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Weed eater starts but won't stay running – Weedeater 19 in 25cc Gas Hedge Trimmer
ANSWER : Probably “gum” and “varnish” build-up clogging the TINY passages [called ‘galleries”] inside the carb!

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My Husqvarna 128cd weedeater would run with choke on but not in the run position. Sometimes it would run in the run position but would not stay running. I had it running and then it cut off. I now cannot get it to crank at all. Any ideas
ANSWER : More than likely a fueling issue, wrong fuel air mix or air leak somewhere

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My mower is about 2 months old. Haven’t had any issues until last night. I think I ran out of gas (maybe not, it was getting dark). I filled it up, and won’t stay running. Barely starts unless it is tilted way back (like handle on the ground all the way back), then it runs like a champ. If it is level, it will barely run until it dies. This is on concrete, and there is nothing underneath.
ANSWER : Hello,It sounds like there is sediment in the carb bowl. Remove the gas line from the carb and plug the line with a phillips head screwdriver. Remove the bolt in the bottom of the bowl and carefully tap on the bowl to loosen it without damaging the rubber gasket. Clean the bowl, and blow the ports in the bolt out. Raise and lower the float inside the bowl space to make sure that it is working freely. Re-assemble making sure to seat the rubber gasket properly. If there is sediment in the bowl, you might also consider an inexpensive in-line gas filter ($6 at Lowe’s, etc.).Best regards,–W/D–

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Serviced my riding lawnmower runs great. but when I put in drive it dies out. Also when I engage blades it dies out. No problems last summer. It won,t stay running when I do these two steps
ANSWER : Probably the seat safety switch. If it’s not activated (from your weight on the seat) the engine is killed when you put it in gear, or engage the blades. Lift up the seat and check the switch – wires on tight? switch tightly mounted? You can take the switch out and tape it in the pushed-in position to test things. If that doesn’t let the mower run, the switch itself is probably bad, but it could also be a connector that knocked loose when you serviced the mower. Check wires and connectors. Good luck!

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