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Home >> Pontiac >> 2001 >> Firebird Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P1154: Ho2S Transition Time Ratio - Bank 2, Sensor 1 >> Code Enable Criteria
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Code Enable Criteria

For DTC to run, DTCs P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0117, P0118, P0121, P0122, P0123, P0125, P0128, P0201-P0206, P0300, P0410, P0440, P0442, P0443, P0446, P0449, or P1441 are not set. DTC will set when PCM detects HO2S transition time ratio is less than 0.6, or more than 3.3 for 2 minutes after closed loop enable.