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Engine Control System Self-Diagnostics - 3.1L Engine
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Diagnostic Tests
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DTC P0140: Ho2S Circuit Insufficient Activity (Bank 1; Sensor 2)
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Conditions For Setting DTC
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Conditions For Setting DTC
HO2S 2 signal voltage remains at 408-512 millivolts 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.