Operation CHARM
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1997
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SW1 L4-1.9L SOHC VIN 8
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Component Tests and General Diagnostics
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Automatic Transaxle Controls
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Vehicle Speed Sensor Signal Noisy
Vehicle Speed Sensor Signal Noisy
For component testing, use P0721 trouble code diagnosis.
P0721