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Home >> Acura >> 2007 >> RDX >> 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 -4 °F (-20 °C) -
Estimated TWC temperature 842 °F (450 °C) -
Engine speed 1,250 rpm 2,600 rpm
MAP value 40 kPa (11.9 in.Hg, 300 mmHg) 119 kPa (35.4 in.Hg, 900 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 P0010, P0011, P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0117, P0118, P0133, P0134, P0135, P0137, P0138, P0139, P0141, P0171, P0172, P0299, P0300, P0301, P0302, P0303, P0304, P0335, P0339, P0340, P0341, P0344, P0443, P0496, P0497, P0627, P1009, P1128, P1129, P1157, P1172, P1233, P1234, P145A, P145C, P145D, P2195, P2227, P2228, P2229, P2238, P2252, P2263, P2270, P2271, P2646, P2647, P2648, P2649, P2A00