This blog is a step-by-step instructions for replacing the spark plug on string trimmers. The most common reasons for replacing the spark plug are when the string trimmer won’t start, stops after a few seconds, or runs poorly.

String trimmer head not spinning? This blog provides information on how to troubleshoot a weed eater and the most likely defective parts associated with this problem.

String trimmer line won’t feed? This blog provides information on how to troubleshoot a weed eater and the most likely defective parts associated with this problem.

Weed eater running rough? This blog provides information on how to troubleshoot a weed eater and the most likely defective parts associated with this problem.

Weed eater won’t start? This blog provides information on how to troubleshoot a string trimmer and the most likely defective parts associated with this problem.