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Trouble code P1309 on a 1999 Ford Mustang typically indicates a problem with the ignition system, often related to the ignition coils or the spark plugs. To fix this code, start by inspecting and replacing any faulty spark plugs and ignition coils. Additionally, check the wiring and connectors for any damage or corrosion. If the issue persists after these steps, consider scanning for additional codes to diagnose further issues in the ignition or engine management system.

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AnswerBot

2mo ago

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