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Home >> Chevrolet >> 2008 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.8L (LDA) >> Diagnostic Information and Procedures >> DTC P0660 >> Conditions for Setting the DTC

Conditions for Setting the DTC

The ECM detects an open or short to ground or voltage on the control circuit of the IMT valve solenoid.