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Home >> Chevrolet >> 2004 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.8L (L79) - DTC P0301 To DTC P1114 >> DTC P0406 >> Conditions for Setting the DTC

Conditions for Setting the DTC

The ECM detects the voltage on the signal circuit of the EGR valve position sensor is more than 4.9 volts for more than 10 seconds.

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