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Motor won't start

Just rebuilted a ford 172 motor...got spark and fuel but the plugs won't get wet ...

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Sounds like the float is stuck in the carb

Posted on Jan 05, 2009

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Craftsman tractor lt2000 with 17hp Kohler won't start. Ran fine last week. Rebuilt carb, changed oil, and new plug & fuel filter month ago. Has spark and fuel. Cranks but won't fire.


Hi Mike:
It's trying to make you crazy.
I have a model YT4000 and it is a PITA to start when cold.
I pull the air filter, toss in a bit of gas to prime it, and it starts instantly.

I'd suggest that you give yours another try. 3 or 4 times of a couple of seconds each. If it doesn't go, pull a spark plug and see if it is wet or dry. Wet indicates getting gas but no spark. Dry indicates not getting gas.
While you have the plug out, check the spark... Hot & blue.
Hope this gives you some more to work with.

Jun 22, 2015 | Craftsman Garden

1 Answer

Overflow leaking


From your description (keeps overflowing,spark plug always wet), it sounds like it's flooding.
Because of the overflowing, possibly your float is set too high, or some crud is lodged between the float needle valve and it's seat, not allowing it to seal shut when the float bowl is full, then flooding the carb's mixing chamber.

Dec 19, 2013 | Gilera Motorcycles

1 Answer

Turns over but wont start


Start by checking all the fuses for fuel pumps, ignition, etc... CHECK ALL FUSES. Next you can check the spark by removing one spark plug and looking to see if there is any sign of gas/ wetness on it... Meaning if you're getting fuel or not to fire the engine. Reconnect the spark plug wire and set it on a metal surface, preferably the motor block or exhaust manifold. Have one person crank the motor over and the other person check to see if the spark plug is firing (sparking). Or to make QUICK diagnosis grab some "starting fluid" and spray into the intake for a second or two, then crank it over, if it sputters or starts then it's a fuel problem, if it does absolutely nothing then It's an ignition problem.

Oct 12, 2013 | Ford Explorer Cars & Trucks

1 Answer

Engine won't start


If you have spark at the right time, compression, and fuel, you should have combustion.
Was it running before you had the work done ?
Is it possible the distributor timing is off ?
You know for sure the plugs are firing, not just the coil ? And the accel pump in the carb is spraying gas ? And the choke is closed ?
A major vac leak like the PCV valve hose or intake gasket could keep it from starting.

Jul 06, 2012 | Dodge Cars & Trucks

1 Answer

2001 ford taurus with the 3.0 after sitting a few hours when i go to start will crank and crank and crank for what seems like ever, will start easily after that but when i go to start it for the first time...


Its not the oil, increasing temperature will thin out the oil. If it cranks easily but won't start it could be the spark plugs or the spark plug wires. When they heat up, especially if they are old, they won't perform well. Pull off one of the wires and hold it close to the plug, try to crank the engine and look for a spark. If it sparks them try removing a plug and check to see if it looks wet. If its bone dry it might not be getting fuel.

Jun 07, 2011 | 2001 Ford Taurus

1 Answer

1989 ford ranger rebuilt engine 4.0. replaced


MOST TIME A REBUILT IS HARD TO START.YOU HAVE PRIME THEM SQUIRT OIL IN ENGINE REMOVE THE SPARK PLUGS TO BUILD UP COMPRESSION.AND PRIME THE CARBURETER OR TBI ..BUT IF YOU ARE GETTING FUEL AND SPARK.PROBLEM IS YOUR TIMING IS OFF.

Aug 18, 2009 | 2000 Oldsmobile Alero

1 Answer

1987 ford f150 8yl turns over wont start


check your spark plugs are not wet with fuel if they are fit new ones
if they are not wet put fuel down the intake and try and start if it starts u have a fuel problem

Dec 16, 2008 | 1987 Ford F 150

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