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Oldsmobile
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1986
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Firenza L4-121 2.0L
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Ignition Timing
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Number One Cylinder
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Locations
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Number 1 Cylinder Location
Number 1 Cylinder Location
Firing Order - 1.8L (112) 2V, 2.0L (122) ex. OHC: