Operation CHARM
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2000
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Ranger 2WD L4-153 2.5L SOHC VIN C SFI
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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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Reading and Clearing Diagnostic Trouble Codes
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Reading Diagnostic Trouble Codes
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Performance Diagnostic Procedures/Quick Test
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QT - Step 3: No DTC(s) Present Symptom Charts
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Chart 9 - Spark Knock
Chart 9 - Spark Knock
Spark knock
