0
Why does your Craftsman 4.5 HP model 917.388040 lawn mower start when priming the bulb but then quits after 2 3 seconds The engine will stay running if continued bulb priming?
Wiki User
∙ 12y ago
Float is stuck , carb need a good cleaning. If you get lucky might get away with a good in tank carb cleaner.
Good luck
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
Why does your Craftsman 4.5 HP model 917.388040 lawn mower start when priming the bulb but then quits after 2-3 seconds The engine will stay running if continued bulb priming.?
The fuel filter is probably clogged. The primer bulb creates enough suction to feed fuel to the engine, but the vacuum created by the piston is not enough to keep the fuel going.
Toyota fuel pump not priming?
Spray a starter fluid into the intake to get the engine running. If the fuel pump does not start pumping, it is defective, or the fuel filter is clogged. These pumps are self priming.
What cause your craftsman lawn tractor stop running at the brake is release?
Check your chair switch!
Why does your Craftsman 4.5 HP model 917.388040 lawn mower start when priming the bulb but then quits after 2-3 seconds The engine will stay running if?
You just buy a carburetor re-build kit, clean all the parts and follow the simple directions to puy it back together. You can doi it, it's just not that hard and beats spending 250 bucks for a new mower!
Lawnboy silver series 4.5 hp stops running 2 to 3 seconds after priming?
Make sure it's getting fuel through the carb. if it is mke sure the fuel is getting to the combustion chamber. if it is , then it should be running.
Why does your craftsman riding lawn mowerlt1000 acts like it is running out of gas the stalls?
Clogged fuel filter or carburetor needs cleaning.
How do you disable 1999 Durango daytime running lights?
The most effective method involves the use of a craftsman 22 oz. ballpeen hammer.
What is cavitation and priming?
1. PRIMING LOSS: This is the suction loss for a pump whose NPSH is (-ve)2. CAVITATION: It is also suction loss by forming cavity of a volatile liquid whose NPSH(a) is belowNPSH(r) eg..Choking or blockage of suction strainers, closing of suction valve of apump when running.3. VAPOUR LOCK: This is also loss of pumping due to blockage in discharge of a pump..closing of discharge valve and running for more time..running the pump with in adequate minimum flow..liquid above boiling pointHence Cavitation, Vapour Lock and Primimng loss are different
How do you know what belts go where on a craftsman 3 blade 44in cut 14hp Briggs and stratton engine?
Typically Craftsman tractors put the belt routings decal on the bottom side of the left running board. (the place you rest your left foot) Sometimes it is on top of the deck too.
Why does my Craftsman garden tractor stop running when I release the clutch-brake?
Either the machine does not "know" or the clutch/brake switch is bad. Either way it is a safety switch
Bolens 4.5 hp 21 rear bag The mower will not stay running unless you keep priming it with the primer bulb?
remove the the bowl on the carb and clean with carb cleaner, be sure to clean the main jet. and the small holes in the bolt that holds the bowl on, if these are plugged the mower will start but not stay running
What size spark plug for a Craftsman eager 1 engine model 143.994508 4.5 horsepower motor solid state ignition?
Mine is running using a Champion J19LM. You might be able to cross reference from that number
