Engine Won’t Start? A Systematic Troubleshooting Guide Before You Call a Mechanic
12.6 volts is the usual open-circuit reading of a fully charged 12-volt automotive battery. If your engine won’t start, that single check quickly tells you whether to begin with electrical power or move toward fuel, spark, air, and timing. This engine won’t start troubleshooting guide uses the engine’s behavior instead of a random parts checklist….