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Access Oldsmobile  wiring diagrams and repair procedures. Learn how to repair, install or remove a part, reset engine lights...
Oldsmobile 138 Engine (L4, 138 cid, 2.3L)
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This Oldsmobile 138/2.3L engine/motor can fit the Achieva, Cutlass Calais, Calais and some other Oldsmobile car and/or truck applications - for more details see your automobile manual.


1993 Oldsmobile 138 DOHC
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1993 Oldsmobile 138 DOHC

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1992 - 1993

1992-1993 Oldsmobile 138 SOHC
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1992-1993 Oldsmobile 138 SOHC

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1988 Oldsmobile 138 DOHC
Engine DescriptionSizeVINPrice/Core
1988 Oldsmobile 138 DOHC

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1987 Oldsmobile 138
Engine DescriptionSizeVINPrice/Core
1987 Oldsmobile 138 

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For troubleshooting tips and repair information on the Oldsmobile 138/2.3L engine, please visit our Information page.