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Home >> Honda >> 2007 >> S2000 >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics >> DTC P0420: Catalyst System Efficiency Below Threshold >> Enable Conditions
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Enable Conditions

ENABLE CONDITIONS

Condition Minimum Maximum
Engine coolant temperature 156 °F (69 °C) -
Intake air temperature -13 °F (-25 °C) -
Estimated TWC temperature 806 °F (430 °C) -
Engine speed 1,575 rpm 3,500 rpm
MAP value 27 kPa (7.9 in.Hg, 200 mmHg) 63 kPa (18.8 in.Hg, 480 mmHg)
Vehicle speed 4 mph (5 km/h) -
Fuel trim 0.69 1.47
Fuel feedback Closed loop
Monitoring priority P0456, P0457, P0497
No active DTCs P0107, P0108, P0112, P0113, P0117, P0118, P0133, P0134, P0135, P0137, P0138, P0139, P0141, P0171, P0172, P0300, P0301, P0302, P0303, P0304, P0335, P0339, P0443, P0496, P1109, P1128, P1129, P1157, P1172, P2195, P2227, P2228, P2229, P2238, P2252, P2270, P2271, P2646, P2647, P2648, P2649, P2A00