Buick Century intermittent stalling issue without check engine light, possibly related to fuel delivery on Buick Century

Submitted by Debdon · Jun 23, 2025
Published by RepairPal

Problem overview

Some Buick Century owners report experiencing intermittent stalling issues without the check engine light illuminating, which may be related to fuel delivery problems. These stalling issues can stem from various factors, including the fuel system, air intake system, or ignition system, making diagnosis challenging when no fault codes are available. Common culprits include a clogged fuel filter, fuel pump malfunctions, or other fuel delivery issues. Additionally, specific components such as the Crank Position Sensor, ignition module, Cam Position Sensor (for V6 engines), coil pack, or the Engine Control Module could contribute to the stalling. Owners are advised to inspect for loose connections or faulty components within the fuel delivery system to effectively address these intermittent stalling concerns.

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