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Home >> Buick >> 2003 >> Century Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 3.1L Engine >> Diagnostic Tests >> DTC P1134: Ho2S 1 Transition Time Ratio >> Conditions For Setting DTC

Conditions For Setting DTC

The PCM detects that the average transition time ratio is not within 0.4-4.2 during a 100 second monitoring period.

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