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1999
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Catera V6-3.0L VIN R
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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
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Description and Operation
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Octane Requirements
Octane Requirements
Minimum Octane requirement: 91 [(R+M)/2] (pump) octane where R=research octane number and M=motor octane number.