ECHO string trimmers require a fresh gas and oil mixture to operate at their best. Mistakenly using the wrong type of fuel or the wrong fuel mix, or allowing gas to sit in the trimmer for a long time can cause significant problems in the carburetor and engine. ECHO string trimmers require gasoline and oil mixed at a ratio of 50:1. Mix unleaded.. This isn't an issue with ECHO. The truth is, all brands of trimmers are prone to not start at some point. The key is to work through the most common causes in a systemic way to find the issue. Common reasons an ECHO weed eater won't start: Poor Quality Fuel; Fouled Spark Plug; Clogged Fuel Filter; Clogged Carburator; Clogged Spark Arrestor
Echo Trimmer Head Problems. We would like to start with a table that gives some hints/brief ideas of the echo speed feed 400 problems and basic solutions. This table will give you relatable knowledge concerning the issues. Then we will move to the echo speed feed troubleshooting solutions.. Here is a list of everything you will need to successfully repair your Echo weed eater. First and foremost, you will need a set of basic hand tools, including a screwdriver set with different sizes and types of screwdrivers, pliers, and an adjustable wrench. These tools will come in handy for disassembling and reassembling various parts of the.