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Simplicity 16hp Briggs stalls

Engine only runs with the choke on. Have rebuilt the carb. If I shut off the carb the engine runs backfires and stalls after about 30 seconds. Any ideas?

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  • 65 Answers

Check the slow running jet for glogging, set the mixture screw 2 turns from fully closed and make sure the small filter connected to the fuel tank is not blocked.

Posted on Mar 29, 2014

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Stalling Briggs & Stratton engine

Try taking the air filter off ,start the motor and try it. If this works replace air cleaner element

Posted on Oct 05, 2008

bargainbin2
  • 123 Answers

SOURCE: Why does my mower shut off after I turn the choke off?

It sounds like you took the carb off the engine and did not replace the gasket or tore the gasket and it is sucking too much air. Also check to see if the carb and bracket ( if it has one ) are on straight.

Posted on Sep 12, 2009

jdlipscomb41
  • 157 Answers

SOURCE: 646 case tractor with 16hp onan engine if i hold

sounds like the fuel pump is bad or try cleaning the fuel filter and carbarator

Posted on Oct 26, 2009

agent91
  • 2100 Answers

SOURCE: i have a briggs and stratton 14 hp ohv engine on

It sounds like you are putting it into choke mode. The choke is usually all the way up on tractors. And it will make it backfire and flood out. Just rev it high enough to work and don't go into the choke mode. hope this helps.

Posted on Apr 21, 2010

  • 391 Answers

SOURCE: I have a Simplicity model 1692762 with a 16hp

I suspect an internal engine issue such as a valve, the white smoke was oil and it could mean a bent, burned valve or damaged valve seat causing the valve stem seal to leak allowing the engine to **** some oil and burn it (the white smoke) and now you lack compression. It is less likely but possible the oil was overfilled and you "lipped" the piston which causes the compression to drop. check the compression, 100-120 is normal, less than that means bad internal parts.

Posted on May 27, 2010

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Briggs & Stratton 16HP carb small hose purpose? Have a Snapper riding mower with 16HP Briggs & Stratton16 HP V-TWIN OHV Vanguard, Model 303777 Type 1145-A1 4750 Code 97021011. It started...


Should go to the valve spring access cover. Is the PCV line and keeps engine from building up pressure internally.

To clean the carb you will have to remove it from the engine and give it a through cleaning with small diameter wires run through the ports and blowing out the gunk with low pressure air or WD40's little red tube. From your description, you need to do this as the ports are clogged and not letting proper amounts of fuel through to the engine.

good luck.

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I have seen this problem a few times and this may not be the solution however, check the fuel filter. It may have melted and partially closed off the fuel supply. The routing of the fuel hose will cause the inlet end to bend slightly if it gets too hot under the hood.

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Sounds like your carb needs rebuilt .This condition is caused by blockage of ports and jets in the carb .Running a fuel stabilizer will help prevent this .

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My briggs vanguard v-twin 16hp after initial start up this fall started leaking fuel from the carb into the cyl. and into muffler. The jet is seated and not dirty. It leaks somewhere else in the bowl. ...


The solenoid on the bottom is a fuel shut off solenoid to prevent backfiring if shutting down engine with the throttle still open. If you're leaking fuel into the engine, the float is not closing the needle valve in the carb. remove fuel bowl and replace float, and needle valve with seat.Be sure to blow out all fuel passages

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My intek 18hp will only run with choke fully closed.please advise possible problem &solution .the throttle seems to have little impact on the running of the engine


Hi and welcome to FixYa. It sounds like the metering jet in the bottom of the carb throat is clogged.

1st turn off the fuel supply

You will have to remove the float bowl from the carb and then the BRASS jet / orifice. Once removed hold it up to the light.. you should see a pinhole of light thru the jet. No pin-hile = run only with choke. ALSO the nut / bolt that holds on the float bowl has 2 holes in it make sure those are clear.

Before you reinstall the float bowl turn on the fuel and catch it in a spray paint can lid or something similar. It should flow rapidly and stop as you GENTLY raise the float. If no flow then you have a stuck needle and seat or a clogged fuel supply line. Correct same and reinstall the filter bowl. It should run fine after that.


Thanks for using FixYa!

Kelly

Mar 23, 2010 | Briggs & Stratton Briggs Stratton Intek V...

1 Answer

Choke needs to stay on and engine backfires when


COULD BE A CARBARATOR PROBLEM
YOUR PROBLEM IS CALLED ENGINE RUN ON OR DIESELING THIS HAPPENS WHEN YOU TURN OFF THE KEY AND FUEL IS STILL BEING PUMPED INTO THE CARB. COULD BE DIRT UNDER THE NEEDLE VALVE FOR THE FLOAT

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After about 30 to 40 minutes of use (varies, the


I have a 7 year-old craftsman mower with a 22 HP Briggs engine that has the same issue. After about an hour, the mower acts as if it is starving for fuel and then stalls. Then after about 5 minutes of sitting, it will run for a little while longer.
If your engine is similar to mine, then its carb has a fuel shut off solenoid which shuts off fuel to the Main Jet when Voltage is removed to prevent backfiring when the key is shut off.
Unfortunately, this solenoid can also cause the carb to starve for fuel when not working properly. In my case, when I cleaned the solenoid and the solenoid's connections, the tractor had no problem after that.

Hope that helps,
Steve

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try taking the plunger off the fuel shutoff solenoid on the bottom of the carb

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