Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSOLDSMOBILE1997LSS V6-3.8L VIN KREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSENGINE CONTROL - REVISED WIRING DTC P0440/2/6 EVAP
1997 Oldsmobile LSS V6-3.8L VIN K
Engine Control - Revised Wiring DTC P0440/2/6 EVAP
1997 Oldsmobile LSS V6-3.8L VIN KSECTION Engine Control - Revised Wiring DTC P0440/2/6 EVAP
File In Section: 6E Engine Fuel & Emission
Bulletin No.: 71-65-22
Date: February, 1997
SERVICE MANUAL UPDATE
Subject:
Section 6E3 - Engine Controls - Revised EVAP Thumbnail for DTC's P0440, P0442, P0446, P1441, P1675 and Evap Control System Diagnosis
Models:
1997 Buick LeSabre
1997 Oldsmobile Eighty Eight, LSS, Regency
1997 Pontiac Bonneville
with 3.8L Engine (VINs K, 1 - RPOs L36, L67)
This bulletin is being issued to inform technicians of a revision to the EVAP System thumbnail for the following DTC's:
^ P0440 EVAP System - page 188
^ P0442 EVAP Control System small leak detected - page 198
^ P0446 EVAP Canister Vent Blocked - page 202
^ P1441 EVAP System Flow during Non-Purge - page 278
^ P1655 EVAP Purge Solenoid Control Circuit - page 329
^ P1675 EVAP Vent Solenoid Control Circuit - page 343
^ EVAP Control System Diagnosis - page 523
Bulletin No.: 71-65-22
Date: February, 1997
SERVICE MANUAL UPDATE
Subject:
Section 6E3 - Engine Controls - Revised EVAP Thumbnail for DTC's P0440, P0442, P0446, P1441, P1675 and Evap Control System Diagnosis
Models:
1997 Buick LeSabre
1997 Oldsmobile Eighty Eight, LSS, Regency
1997 Pontiac Bonneville
with 3.8L Engine (VINs K, 1 - RPOs L36, L67)
This bulletin is being issued to inform technicians of a revision to the EVAP System thumbnail for the following DTC's:
^ P0440 EVAP System - page 188
^ P0442 EVAP Control System small leak detected - page 198
^ P0446 EVAP Canister Vent Blocked - page 202
^ P1441 EVAP System Flow during Non-Purge - page 278
^ P1655 EVAP Purge Solenoid Control Circuit - page 329
^ P1675 EVAP Vent Solenoid Control Circuit - page 343
^ EVAP Control System Diagnosis - page 523
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.