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1988
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Festiva L4-81 1.3L SOHC
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Repair and Diagnosis
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Emission Control Systems
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Exhaust Gas Recirculation
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Testing and Inspection
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EGR 4 - Vacuum Delay Valve Function
EGR 4 - Vacuum Delay Valve Function
Fig. 6 Exhaust Gas Recirculation (EGR) system diagnosis (Part 4 of 11):