Mitsubishi Eclipse engine failure with no compression after dying on highway on Mitsubishi Eclipse

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

Problem overview

Some Mitsubishi Eclipse owners report experiencing engine failure characterized by a sudden loss of compression, leading to a lack of power and performance. This issue may manifest with low compression levels, such as readings of 35psi in cylinder 3, indicating potential internal problems with valves, rings, or other components. Additionally, engine failure after dying on the highway may be linked to electrical or fuel system problems, which are essential for the engine's operation. Some owners have noted that the low compression could suggest issues with the engine's valves or rings, critical for maintaining proper compression and combustion. The safety risks associated with engine failure on the highway, including the loss of power brakes or steering, underscore the importance of addressing these issues promptly. Furthermore, diagnosing the exact cause of engine failure and low compression can be challenging, often requiring thorough inspection and diagnostic tests. It is recommended that owners consult a qualified mechanic or dealership to accurately diagnose and rectify these issues to prevent further damage and ensure safe vehicle operation.

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