FixVault

Rear HO2S Slow Response:

If the time is out of the standard value, the ECM interprets this as a malfunction and sets DTC.

REAR HO2S SLOW RESPONSE TEST DATA

TEST ID Description of TEST DATA Conversion Factor Unit Standard Value
$37 Time until rear HO2S voltage drops to below 0.2 V after fuel-cut starting N/A sec. Below 7 sec.