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Oldsmobile
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1987
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Firenza L4-121 2.0L VIN 1 TBI
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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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EGR Valve
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Technical Service Bulletins
EGR Valve: Technical Service Bulletins
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Customer Interest
Highway Chuggle and Spark Knock Concerns
All Technical Service Bulletins
Highway Chuggle and Spark Knock Concerns