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Desde que el carro se prende las revoluciones  suben y bajan
Vehicle: 2002 Volkswagen derby 1.8

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Hi there,

This code indicates an issue with the idle air control valve. Here is some info for you.

P1509 VOLKSWAGEN - Idle Air Control Circuit Electrical Malfunction

Read more: https://www.autocodes.com/p1509_volkswagen.html

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