GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2009
🢒
Lucerne
🢒
Transmission
🢒
Automatic Transmission - 4T80-E
🢒 Engine Starts in Gear
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Engine Starts in Gear for Buick Lucerne 2009
Checks
Causes
Manual Valve
•
Not engaged to detent lever
•
Stuck in wrong position
IMS
Not working, mispositioned