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Home >> Chevrolet >> 2006 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.4L DOHC >> Diagnostic Information and Procedures >> DTC P1321 >> Conditions For Setting the DTC
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Conditions For Setting the DTC

The ECM detects more or less than 58 reference pulses for 10 crankshaft revolutions.