Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Nissan-Datsun >> 2009 >> Versa Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0171 >> DTC P0138 Ho2S2 >> On Board Diagnosis Logic >> Notes

On Board Diagnosis Logic: Notes

The heated oxygen sensor 2 has a much longer switching time between rich and lean than the air fuel ratio (A/ F) sensor 1. The oxygen storage capacity before the three way catalyst (manifold) causes the longer switching time.

scientia non olet · About Mike's Workshop Manuals