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(M) Malfunction Indicator Lamp (MIL) illuminated during engine operation if this DTC was recorded (depending if required by CARB and/or EPA). MIL is displayed as an engine icon on instrument panel. P0131 (M) 1/1 O2 Sensor Shorted To Ground Oxygen sensor input voltage maintained below normal operating range. P0132 (M) 1/1 O2 Sensor Shorted To Voltage Oxygen sensor input voltage maintained above normal operating range. P0133 (M) 1/1 O2 Sensor Slow Response Oxygen sensor response slower than minimum required switching frequency. P0134 (M) 1/1 O2 Sensor Stays at Center Neither rich or lean condition is detected from the oxygen sensor input. P0135 (M) 1/1 O2 Sensor Heater Failure Oxygen sensor heater element malfunction. P0136 (M) 1/2 O2 Sensor Heater Circuit Malfunction Oxygen sensor heater element malfunction. P0137 (M) 1/2 O2 Sensor Shorted To Ground Oxygen sensor input voltage maintained below normal operating range. P0138 (M) 1/2 O2 Sensor Shorted To Voltage Oxygen sensor input voltage maintained above normal operating range. P0139 (M) 1/2 O2 Sensor Slow Response Oxygen sensor response not as expected. P0140 (M) 1/2 O2 Sensor Stays at Center Neither rich or lean condition is detected from the oxygen sensor. P0141 (M) 1/2 O2 Sensor Heater Failure Oxygen sensor heater element malfunction. P0143 (M) 1/3 O2 Sensor Shorted To Ground Oxygen sensor input voltage maintained below normal operating range. P0144 (M) 1/3 O2 Sensor Shorted To Voltage Oxygen sensor input voltage maintained above normal operating range. P0145 (M) 1/3 O2 Sensor Slow Response Oxygen sensor response slower than minimum required switching frequency. P0146 (M) 1/3 O2 Sensor Stays at Center Neither rich or lean condition is detected from the oxygen sensor. P0147 (M) 1/3 O2 Sensor Heater Failure Oxygen sensor heater element malfunction. P0151 (M) 2/1 O2 Sensor Shorted To Ground Oxygen sensor input voltage maintained below normal operating range. P0152 (M) 2/1 O2 Sensor Shorted To Voltage Oxygen sensor input voltage sustained above normal operating range. P0153 (M) 2/1 O2 Sensor Slow Response Oxygen sensor response slower than minimum required switching frequency. P0154 (M) 2/1 O2 Sensor Stays at Center Neither rich or lean condition is detected from the oxygen sensor. P0155 (M) 2/1 O2 Sensor Heater Failure Oxygen sensor heater element malfunction. P0157 (M) 2/2 O2 Sensor Shorted To Ground Oxygen sensor input voltage maintained below normal operating range. P0158 (M) 2/2 O2 Sensor Shorted To Voltage Oxygen sensor input voltage maintained above normal operating range. P0159 2/2 O2 Sensor Slow Response Oxygen sensor response slower than minimum required switching frequency. P0160 (M) 2/2 O2 Sensor Stays at Center Neither rich or lean condition is detected from the oxygen sensor. 25 - 4 EMISSION CONTROL SYSTEMS WJ DESCRIPTION AND OPERATION (Continued) |