Question about Yard Machines Tecumseh 148cc Front Tine Tiller #21a 251e000

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It will not start - It is like the fuel is not flowing

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Changed the fuel pump in my 2000 s10 and the ECM fuse was bad changed it now I have fuel to the filter but the engine isn't gettin gas start with starting fluid but dies can't figure it out what could be...


I f engine starts with starting fluid but then dies it is a fuel flow problem. check for fuel flow after key is on. (disconnect fuel line and check vissulay for fuel flow.

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1 Answer

Liberty 50 2t fuel leak when starting. a heavy fuel leak down over the flywheel and onto exhaust when standing or more extreme when starting.


Fuel float in carburettor maybe set to high! causing Needle and seat not to close! hence letting fuel flow from Over flow pipe in carburettor.

Turn fuel on then off to start engine once engine running turn fuel on again.

But best to adjust fuel float height, its just a tiny bend you have to make on a brass tab to stop fuel flow when the float gets to a certain height! in the fuel bowl of the carburetor.

Cheers

Cheers

Nov 29, 2013 | 2011 Piaggio Liberty 125

1 Answer

No fuel flow


The fuel pump uses vaccum preasure to move fuel to the carb. If you have a vaccum leak it will not flow. Check all vacuum hose connections.

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1 Answer

1994 cougar fuel pump relay


From your saying looks like you have a feeding problem. Do you hear the fuel pump working? if it is working check by using the fuel pressure tester how much is the flowing pressure and if it is in the recommended pressure flow. Also check even after the fuel filter if the fuel is flowing into the rail and the pressure regulator is working. Last check if your injection system is working ,if the ecu sends a message to the injectors to work.

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1 Answer

2001 grand am 2.4 wont start and it is not the pass lock i changed the fuel filter and the pump comes on


did you install the fuel filter correctly for direction of flow.this can cause no fuel flow.there should be an arrow on the filter indicating the flow of fuel.also if this isn`t the problem then have the fuel pressure with a gauge and flow checked as if its not within specs the car won`t start.

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1 Answer

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If thats a TBI system..pull the duct work off and see if the injector is flowing a good stream of fuel while you turn it over..Ive seen fuel pumps run and fuel come from the line but not enough flow to make the injetor flow..

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2 Answers

1991 lexus ls400 stalls as if it dont want to pick up while im driving like the gas not flowing the right way


sounds like the fuel filter is bad or the throttle position sensor is going bad.

Feb 28, 2011 | 1991 Lexus LS 400

1 Answer

2003 VT570 hard to start, (had to choke when I normally don't need to) then died and now it won't start


Check fuel delivery. Disconnect fuel line from fuel tank valve and check for fuel flow. If fuel flows from tank, check for fuel in carbs by open drain screw. If no fuel in carbs, check fuel filter or pump.

Jun 09, 2010 | 2003 Honda VT 750 CD Shadow A.C.E. Deluxe

1 Answer

Toro mower starts after priming dies right away


Hi and welcome to FixYa. I am Kelly.
This is how to clean the fuel passages in the carb.
Here is what you need to do:

1. Fuel selector off
2. Remove float bowl mounting screws and nut
3. Remove the BRASS Jet / Orifice in the very bottom of the venturi tube inside the pickup tube. (Flat blade screwdriver) Hold the Orifice up to the light. You should see a pinhole. If it is not clear clean the orifice but do not force anything through the hole.
4. Underneath the Orifice there is yet another BRASS tube that you need to remove. (Flat blade screwdriver) Make sure all of the holes in the tube are clear. The tube will be over 2 inches long. Clean it and reinstall it.
5. Reinstall the Orifice.
6. Using a catch fuel container turn on the fuel selector. Fuel should flow at a good rate. GENTLY lift the float assy level and make sure fuel flow shuts off. When you drop the float again fuel should flow.
If you do not have fuel flow at this point the needle and seat will need to be inspected. Fuel selector OFF.
(The following procedure is to be done only if there is no fuel flow with fuel selector on.)
a. Remove the silver float pivot pin retaining screw
b. Drop the Float down (The needle will come off with the float. NOTE the position)
c. Inspect the tapered rubber of the needle If should be pointed. If it is not pointed then the rubber tip is stuck inside the seat.
d. Clean the seat hole ONLY if obstructed. (Easily damaged)
e. FUEL Selector on then off fuel should rapidly flow through the needle seat.
f. Renistall Float and needle making sure to get the pivot / hinge pin installed correctly and reinstall the silver retaining screw.
g. Fuel selector ON. Raise and lower float checking for free movement and fuel flow.

7. If there still is no fuel flow at this point remove the fuel hose from the carb and check fuel flow. If no flow check that gas tank exit hole, fuel filter (if installed) and the selector valve assy for obstructions. Reassemble connections.

FUEL FLOW IS GOOD

8. BEFORE you install the float bowl inspect the bowl nut. There are 2 holes in the side of the nut where it screws in to the bottom of the carb that must be clear.

9. Install Float bowl mounting screws and nut. Check for leaks.

10. Test engine.

That should do it. (carb cleaning 101)

Thanks for using FixYa.

Kelly

P.S. If it still does not start and you have a primer bulb on the carb the primer bulb most likely has a hole in it. Press and hold the primer bulb CLOSED against the carb inner mating surfaces and see if it will start. (2 people required) If it starts and runs the primer bulb has a pin hole in it.

Apr 09, 2010 | Toro Lawn Mower With Toro Power Tools

3 Answers

1994 cougar will turn over but wont start, i put start fkuid and start normal


If it starts when you spray in starter fluid it would sound like a fuel supply problem. Make sure you are getting fuel and have a sufficient supply. Possibly a bad fuel pump or pressure regulator.

Mar 27, 2010 | 1994 Mercury Cougar

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