Question about Garden
Engine backfires, severely
Backfires are the result of an improper air fuel mixture. An overly lean air-fuel mixture (i.e. an overabundance of air) can lead to a failure to ignite in the combustion chamber, also called a "misfire". The unburnt fuel then enters the exhaust system, where hot components can cause the fuel to ignite unpredictably. Alternatively, rich air-fuel mixtures (i.e. an overabundance of fuel) can result in incomplete combustion, again causing unburnt fuel to enter the exhaust system.
Posted on Apr 23, 2014
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Posted on Jan 02, 2017
SOURCE: After running husquavarna riding
I had the same issue and after trying everything I tokk the gas cap off and noticed there was negative pressure in the fuel tank when I broke the seal... I'm pretty sure the gas cap was just too tight, I threaded it back on but did not torque it down and the mower is running fine.
Posted on Jun 16, 2011
first smell the oil is there a gas smell to it?the needle valve maybe dripping fuel and over flowing into the intake
Posted on Apr 19, 2012
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