LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Control System - 4.3L (DTC P0016 To DTC P0160)) >> Diagnosis >> DTC P0137 or P0157 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.

Lean Test 

The PCM detects that the affected HO2S Voltage parameter is less than 80 mV for 200 seconds.

OR

Power Enrichment Test 

The PCM detects that the affected HO2S Voltage parameter is less than 420 mV for 10 seconds.