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1987
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911 Turbo Targa F6-3299cc 3.3L SOHC Turbo
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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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Air/Fuel Mixture
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Specifications
Air/Fuel Mixture: Specifications
FUEL MIXTURE
0.6 ± 0.2 % CO
@ 900 ± 50 RPM
TEST CONDITIONS: Air pump disconnected. Measured upstream of catalytic converter with oxygen sensor plug disconnected