Posts Tagged: check engine troubleshooting

Why Your Car Won’t Start and How to Fix It Fast

Most Common Reasons a Car Won’t Start Quick Summary When a car won’t start, the problem almost always falls into one of three categories: • No power — Dead battery, corroded battery cables • No crank — Bad starter relay or bad starter, immobilizer issues • No fuel/spark — Ignition coils/spark plugs, crank/cam sensor, fuel injectors A professional technician doesn’t guess—they follow a structured diagnostic strategy, starting with an understanding of the system, then isolating the failure point using voltage, signal, and circuit testing. Why Your Car Won’t Start (And … Read More