Engine Controls - Revised DTC P0141, HO2S Heater Circuit

File In Section: 6E - Engine Fuel & Emission

Bulletin No.: 71-65-59

Date: September, 1997

SERVICE MANUAL UPDATE

Subject:
Section 6E - Engine Controls Revised Diagnostic for DTC P0141 HO2S Heater Circuit

Model:
1997 Buick Park Avenue with 3.8L Engine
(VINs 1, K - RPOs L36, L67)

�&49:

This bulletin is being issued to inform technicians of a revision to DTC P0141 HO2S Heater Circuit. The revision includes "Conditions for Running the DTC" and "Conditions for Setting the DTC" which were previously omitted from the original diagnostic.