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1992
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Skylark L4-138 2.3L SOHC VIN 3 MFI QUAD 4
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Emission Control Systems
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Positive Crankcase Ventilation
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Technical Service Bulletins
Positive Crankcase Ventilation: Technical Service Bulletins
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Engine Controls - Revised Chart C-13, Crank Ventilation
Emissions - Diagnose/Replace Crankcase Vent Heater