When an engine starts but immediately dies, the problem is almost always fuel delivery, carburetor blockage, or a failing safety switch. This guide shows you how to diagnose and fix it fast.

An engine that starts only sometimes is dealing with an intermittent failure—usually fuel, spark, or a failing safety switch. This guide walks you through the exact causes and fixes.

When your engine turns over but won’t fire, the problem is almost always fuel, spark, or compression. This guide shows you how to diagnose each one step‑by‑step.

If your small engine won’t start at all, this guide walks you through the exact causes and fixes—from fuel delivery to spark, compression, and safety switches.