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Chevrolet
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2008
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Optra LS, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls And Fuel - 1.6L
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Diagnostic Information and Procedures
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DTC P1321
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Conditions For Setting the DTC
Conditions For Setting the DTC
The ECM detects more or less than 58 reference pulses for 10 crankshaft revolutions.