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← ScienceWhich outcome results when a catalytic converter clogs?
A)Increased engine back pressure forms✓
B)Lean air-fuel mixture forms
C)Reduced engine oil viscosity risks
D)Increased hydrocarbonate fuel emissions happen
💡 Explanation
Increased back pressure comes at clogging because the physical blockage overwhelms the exhaust system’s capacity via increased flow resistance; therefore exhaust flow decreases rather than other changes that depend on air to fuel ratios within the engine itself.
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