Q
can a bad starter cause check engine light
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
A bad starter itself typically does not trigger a check engine light (CEL) directly since the starter's primary function is to crank the engine, and it's not monitored by the engine control unit (ECU) for emissions or engine performance issues. However, issues related to a bad starter, such as low battery voltage or electrical problems, can indirectly cause sensors monitored by the ECU to read out of their normal range, potentially triggering the CEL. It's important to diagnose the CEL with an OBD-II scanner to pinpoint the exact cause. If the CEL comes on and starting issues are noticed, it's advisable to check both the starting system and other potential engine issues flagged by the ECU codes to ensure proper vehicle function and to avoid misconstruing the root cause of the light.
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