On a 2002 Chrysler 300M with a 3.5L HO engine is showing low compression reading on left bank wondering possible causes?

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1288983

2026-07-17 07:11

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Low compression readings on the left bank of a 2002 Chrysler 300M with a 3.5L HO engine could be caused by several issues, including worn piston rings, damaged cylinder walls, or faulty valves (such as bent or burned valves). Another possibility is a blown head gasket, which can lead to compression loss between cylinders. Additionally, issues with the timing belt or chain could affect valve timing, resulting in low compression. A thorough diagnostic, including a leak-down test, can help pinpoint the exact cause.

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