LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 370 (Engine Control System - Self-Diagnostics - 4.2L) >> Diagnostic Tests >> DTC P1137: Ho2S Circuit - Lean System (Bank 1; Sensor 2) >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

The number below refer to the step numbers in the diagnostic procedures.

  1. 2 -  When the system is operating correctly, the HO2S 2 voltage should toggle greater than and less than the bias voltage.

scientia non olet · About LEMON Manuals