Saturn SC1 unable to start after running for 15 minutes despite strong battery on Saturn SC1

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Saturn SC1 owners report experiencing starting issues after running the vehicle for about 15 minutes, despite having a strong battery. Common causes for this problem include potential alternator issues, a failed starter, or even a dead battery. Additionally, if the engine stalls or fails to start after running, it may indicate deeper underlying problems. Some owners find that replacing the crankshaft sensor does not resolve the issue, suggesting other complications may exist. A notable pattern among these owners is that waiting approximately 20 minutes before attempting to restart the car often leads to success, hinting at possible heat buildup in the engine or components that require cooling down. Given that the battery is functioning well, it may be necessary to examine other electrical system components, such as the alternator and starter, for faults. It is recommended that owners seek the expertise of a professional mechanic to accurately diagnose and address the root cause of these starting issues.

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