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Cadillac
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1987
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DeVille V8-252 4.1L
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Exhaust Gas Recirculation
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Testing and Inspection
Exhaust Gas Recirculation: Testing and Inspection
Fig. 26 DEFI System Diagnosis, Chart C-5 (EGR Diagnosis):
