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Oldsmobile
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1990
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Calais L4-138 2.3L VIN D FI
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Fuel Injector
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Locations
Fuel Injector: Locations
Fuel Rail Assembly:
The fuel rail and injectors are mounted on top of the intake manifold, and the injectors are inserted into the intake manifold near the intake valves.