DTC B1539 Mitshubishi
HO2S Slow Response Bank 1 Sensor 1
HO2S Slow Response Bank 1 Sensor 1
Description
P0133, P0153, P1133, or P1153 DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0128, P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, P0220, P0222, P0223, P0442, P0443, P0446, P0449, P0455, P0496, P1516, P2101, P2119, P2135, P2176 are not set. The engine coolant temperature (ECT) is greater than 60°C (140°F). The intake air temperature (IAT) is warmer than -40°C (-40°F) The ignition 1 voltage is between 10-18 volts. The fuel level is greater than 10 percent. The engine run time is greater than 160 seconds. The engine speed is between 1,200-3,000 RPM. The barometric (BARO) pressure is greater than 70 kPa. The mass airflow (MAF) is between 20-55 g s. The fuel system is in Closed Loop. The throttle position (TP) is greater than 5 percent. DTC P0133 runs once per drive cycle when the above conditions are met.
Cause and Solution
P0133 or P0153The ECM detects that the HO2S 1 rich-to-lean or lean-to-rich average response time is greater than a calibrated value.The DTCs set within 100 seconds when the above condition is met.
Video Guide
Diagnostic Info
- DTC Code: B1539
- Brand: Mitshubishi