Honda Odyssey engine misfiring, rough driving, oil leaking into spark plugs, and check engine light issue requiring 3,700 repair on Honda Odyssey

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

Problem overview

Some Honda Odyssey owners report experiencing engine misfiring, which can be attributed to faulty spark plugs, ignition coils, or fuel injectors, necessitating a thorough diagnosis to effectively address the issue. Additionally, some owners notice rough driving, often indicating underlying problems with the engine, transmission, or suspension, requiring a qualified mechanic's inspection to identify the exact cause. Oil leaking into spark plugs is another concern, as it can lead to misfires and poor engine performance, typically caused by worn-out valve cover gaskets that need replacement. Furthermore, the check engine light may illuminate due to various issues, including misfires or faulty sensors, and a diagnostic scan is essential to pinpoint the specific problem. Finally, the estimated repair cost of $3,700 for these issues raises concerns, prompting some owners to seek a detailed breakdown of expenses to avoid being overcharged. Promptly addressing these issues is crucial to prevent further damage and ensure safety on the road.

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