Cannot get fuel to ignite. I have spark and fuel at the fuel nozzle. I have cleaned the photo cell and the spark electrodes and reset the gap. I drained the fuel tank but destroyed the fuel tank plug when trying to remove it. Will need a new plug now to even try running it again. Could improvise another plug to just try it.
SOURCE: 30'000 btu spark style will not lite
It should fire off, unless you have developed an air leak, worn nozzle, bad fan, or a motor that is not turning rpm's.
SOURCE: troubleshooting reddy heater 115,000btu
runs for awhile shuts down with a big puff of smoke comes out poured diesel 911 thought i had water in diesel fuel cans nothing help need solution ASAP
SOURCE: the heater runs for approx. 7-10 minutes then shuts down
very rarely it's the circut board.most likely it will be the photo cell.does you photo cell have one blue wire and one white wire????or is it two blue wires,they are two differant photo cells.if it's two blue wires you nee to check the air pressure.it's very important.if the pressure is wrong it will not work properly.you need a gauge to check it.
SOURCE: Briggs & Stratton engine on Murray lawn mower
I always replace the air filter if its a paper element, and even if its a foam element I replace it rather than clean it. That said, engine stumbling is rarely and air flow problem - but it could be, so having a new filter assures no air restrictions.
I would drop the carbuerator bowl. On the bottom of the carb, near where the fuel line comes into the engine, should be a nut. Removing this nut allows the bowl to drop off the carb. Some engines the bowl screws off, you will have to look at the bowl. Often the bowl has sediment or sludge buildup inside. Cleaning the bottom of the bowl can prevent that sludge/sediment from plugging the intake tube. Even on newer mower models this is a common problem, the gas line tubing interior breaks down and the inside of the tubing can start degrading - ending up in the bowl as sludge.
After cleaning the bowl, I would add one ounce of fuel line cleaner to a full tank of fuel and run the entire tank of fuel. This will clean any deposits or "varnish" from the interior carb parts. Doing this and the first step will assure your carb is clean and functioning.
If that doesn't help, then I would look at the spacing between the magneto and coil assembly. If you want to do that I'd like you to write down all the model numbers and serial numbers on the engine nameplate, that way I can give you specific directions.
Hope this helps,
Gregg
SOURCE: Have a Briggs & Stratton lawn mower engine, 4.5
Is Blade new or causeing vibration .Chge blade,
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