Why Won't the Car Engine Start?

1 Answers
EmilianoLynn
07/29/25 6:17pm
If the starter motor fails to turn when attempting to start the engine, potential causes could include battery issues, electrical circuit problems, or a faulty starter motor. Here are the specific details: 1. Starter motor issues are relatively rare: The probability of starter motor failure is quite low since it only operates for a few seconds during engine startup, accumulating just a few hours of total runtime per year. 2. Battery lifespan reduction: When the engine fails to start, battery problems are more likely. As charge-discharge cycles increase, the battery's service life diminishes, potentially causing insufficient voltage and current output to meet starting requirements. If the vehicle remains unused for extended periods, certain onboard systems may continue draining the battery, leading to discharge. Prolonged battery discharge significantly reduces its lifespan.
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