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Home >> Isuzu >> 2007 >> Ascender RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.2L - DTC P2119 To DTC P2A01 >> DTC P2A01 >> Conditions for Setting the DTC >> Lean Intrusive Test

Lean Intrusive Test

The PCM detects that the HO2S 2 is more than 300 mV for 10 seconds.
The HO2S 1 is less than 300 mV.

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