Pontiac Grand Prix massive oil leak causing low oil pressure warning on Pontiac Grand Prix

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

Problem overview

Some Pontiac Grand Prix owners report experiencing significant issues related to massive oil leaks, which can trigger low oil pressure warnings. These leaks can range from minor to severe, necessitating immediate attention to avoid potential engine damage. A common cause of the low oil pressure warning is a low engine oil level, indicating a problem with the lubrication system. Additionally, some owners find that a faulty oil pressure sensor or wiring issues may also activate the low oil pressure light. The risk of engine seizure due to low oil pressure underscores the importance of not running the engine when the warning light is illuminated until the issue is properly diagnosed. To address these concerns, owners are advised to check the oil level, inspect for leaks, and seek professional assistance from a certified service center to accurately identify and resolve the underlying problems.

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