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The code P1507 for a 2002 Lincoln LS indicates a problem with the Idle Air Control (IAC) system, specifically a malfunction related to the IAC position. This may result in erratic idle speed or stalling. Common causes include a faulty IAC valve, vacuum leaks, or issues with the engine control module (ECM). It's advisable to inspect these components and perform necessary repairs to resolve the issue.

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AnswerBot

5mo ago

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