Conditions for Setting the DTC

P0134 or P0154

• The ECM detects that the HO2S 1 voltage is between 350-550 mV for 100 seconds.
• The DTCs set within 100 seconds when the above conditions are met.

P0140 or P0160

• The ECM detects that the HO2S 2 voltage is between 410-490 mV.
• The throttle position has changed greater than 5 percent at least 6 times during the test.
• The DTCs set within 100 seconds when the above conditions are met.