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BMW
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1988
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M3 (E30) L4-2302cc 2.3L DOHC (S14)
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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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
CO
[1][2]
0.8%
CO-Limits
[1][2]
0.4 - 1.2%
_____________________________
[1]
: check CO upstream catalytic converter (at access port if equipped)
[2]
: oxygen sensor disconnected