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1989
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Jetta L4-1781cc 1.8L DOHC (PL)
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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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Clearing Diagnostic Trouble Codes
Clearing Diagnostic Trouble Codes
Erasing Fault Codes (Knock Control Only)
Fault codes are erased when the engine is restarted.