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Audi A6
2007
V 6
2.4 L

Problem: Engine Protection Control (EPC) appear after car start for almost 20 min referring to this code P0642, even if the car is not moving. If the EPC light is on, I have to turn off the car until it cool down completely, and it will start again like nothing happened, and again only for almost 20 min.

Vehicle: Audi A6 2007 V6 2.4L

1 Answer

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Hi there,

This code indicates an issue with the ECM. Here is some info for you.

P0642 AUDI - Sensor Voltage Circuit 'A' Low Voltage

Read more: https://www.autocodes.com/p0642_audi.html

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