LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1997 >> Forward Control 4.3 W, L35, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Engine Controls - Tests W/Codes - 5.7L (G Series)) >> Diagnostic Trouble Codes >> DTC P1154 - Ho2S Transition Time Ratio Bank 2, Sensor 1 >> Circuit Description

Circuit Description

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1997 GMC Savana Special, 1997 GMC Savana Camper Special, 1997 GMC Savana, 1997 Chevrolet RV Cutaway, and 1997 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic test is used in conjunction with HO2S bank 2, sensor 1 slow response diagnostic test P0153. Ratio of response times that were calculated are compared to calibrated limits. If number of lean to rich and rich to lean transitions were zero, ratios will be set to zero. Otherwise, ratio is calculated based on which average response time was greater. DTC will set when the following conditions are present:

scientia non olet · About LEMON Manuals