P1665

File In Section: 6E - Engine Fuel & Emission

Bulletin No.: 71-65-66

Date: November, 1997

SERVICE MANUAL UPDATE

Subject:
Section 6 - Engine Controls - Revised for Addition of DTC P1665 EVAP Vent Valve Solenoid Control Circuit and DTC P1676 EVAP Canister Purge Solenoid Control CKT

Models:
1998 Buick LeSabre
1998 Oldsmobile Eighty Eight, LSS, Regency
1998 Pontiac Bonneville
with 3.8L Engine (VINs 1, K - RPOs L36, L67)

This bulletin contains two additional Diagnostic Trouble Codes (DTC) which were omitted from the 1998 Service Manual. Please add DTC P1665 EVAP Vent Valve Solenoid Control Circuit and DTC P1676 EVAP Canister Purge Solenoid Control Circuit to your service information.

DTC P1665 EVAP Vent Valve Solenoid Control Circuit

DTC P1676 EVAP Canister Purge Solenoid Control CKT