Oldsmobile Alero engine cuts off completely when hot, does not restart easily after stopping on Oldsmobile Alero

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

Problem overview

Some Oldsmobile Alero owners report experiencing engine shutdowns when hot, which can lead to difficulties in restarting the vehicle. Common issues contributing to this problem include a faulty ignition switch or its connections, which may cause the engine to cut off unexpectedly. Additionally, problems within the fuel system, such as a clogged fuel filter or a failing fuel pump, can result in engine stalling and restarting difficulties. Some owners also note that a malfunctioning Mass Airflow (MAF) sensor in the air intake system may trigger stalling and the check engine light. Overheating is another concern, as it can cause the engine to shut down to prevent damage, making it hard to restart until the engine cools. Lastly, a broken timing chain may lead to stalling and restarting issues due to potential internal damage. It is advisable for owners experiencing these symptoms to seek a professional mechanic's help to inspect and resolve the underlying issues promptly.

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