Operation CHARM
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Saab
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1991
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900 L4-2118cc 2.1L DOHC
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Distributor
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Ignition Rotor
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Testing and Inspection
Ignition Rotor: Testing and Inspection
To check the rotor arm
The rotor should have a resistance of 1 kohm.