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Pontiac
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1988
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J2000/Sunbird L4-121 2.0L
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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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Testing and Inspection
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Throttle Body Fuel Injection System
Throttle Body Fuel Injection System
Fig. 081 Chart C-7 EGR Valve Check Non-ECM Controlled: