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2002
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Aztek AWD
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DTC P0140: Ho2S Circuit - Insufficient Activity - Sensor 2
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Conditions For Setting DTC
Conditions For Setting DTC
HO2S 2 signal voltage remains between 408-512 mV for more than 90 seconds.
There is a Throttle Position (TP) sensor angle change of more than 8 percent, at least twice during the test period.