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OBD code P0301 indicates a misfire in cylinder 1 of your Lexus RX300. To fix this issue, start by inspecting the spark plug and ignition coil for signs of wear or damage; replace them if necessary. Additionally, check for vacuum leaks, fuel injector problems, or compression issues in that cylinder. If these basic checks don’t resolve the issue, consider a more thorough diagnostic to identify underlying problems.

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2mo ago

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