Question about Briggs & Stratton Briggs Stratton Intek V - Twin Vertical Ohv Engine with Electric Start 22 Hp, 1" X 3 5/32" Shaft, ModelNo. 44K777 - 0027 - E1
Hi and welcome to FixYa. I am Kelly. What your describing is a fuel starvation / lean fuel mixture symptom.
First off remove the fuel supply hose to the carb and check fuel flow. It should be a normal gravity flow rate. If you don't have flow check the bottom of the gas tank for debris. I note you already changed the fuel filter and pump.
--Check to make sure that the fuel solenoid on the bottom of the float bowl is working correctly. You can unplug it and then test it with battery power to see if the plunger is moving.
--Also check it in place for 12VDC with the key on and seat switch activated (if installed).
Your parts list can be found here:
The solenoid is item 947A of the above link. (pdf file page 5 top right)
With the fuel hose connected float bowl removed you should also chec the fuel float needle item 105 for proper operation. Float down... fuel flow.... GENTLY lift the float to LEVEL there should be no fuel flow.
These are the 2 most common problems:
Either the fuel bowl solenoid is not being energized / not working or.... (item 947)
There is debris in the needle and seat. (Item 105)
If you do not have 12VDC to the fuel solenoid you will have to find out why. (Safety switches.. broken wire etc.)
Before you reinstall the fuel solenoid clean the area with carb cleaner.
Thanks for choosing FixYa.
Posted on Sep 28, 2010
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Posted on Jan 02, 2017
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Had the same problem with an almost new Craftsman w/ Intek 20.0 HP. Check all the "usual suspects" and had to have a tech come out. He had me start it. It ran for a few minutes and stopped (per usual). He immediately went to the Anti-Backfire solenoid. It is an electrically operated "plunger-style" fuel line blocker. They are famous for going bad. The part is about $65 and its sole purpose is to starve the engine of its fuel supply at shutdown so it won't backfire. If it is disabled, the user must throttle the engine down for 10 seconds or so before turning the key off in order to avoid backfires. Gee... let's see, 10 seconds of my time each time I use the mower vs $65 part ... No contest! Remove the solenoid, take a pair of electrician side cutters and snip off the tip of the plunger and reinstall it. Problem solved ! ! !
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