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Buick LAcrosse 2005 shuts down.

WILLY

New member
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0
1
Buick Ownership
2005 Buick Lacrosse 3.8
I REPLACED THE UPPER AND LOWER INTAKE MANIFOLD GASKETS AFTER 105 THOUSANDS MILES.WHENEVER I DRIVE ABOUT 50 MILES IT SHUTS OFF WHENEVER YOU ARE DRIVING, I CAN RESTART IT AFTER A FEW SECONDS. 3.8
 
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mksimmonds

Buick Newbie
4
0
1
Buick Ownership
Buick
Check to see if it's throwing codes. Mine was doing that and several codes popped up related to PCM. Had to replace PCM (powertrain control module), basically the computer (not cheap). Had my mechanic do it and it ran over $700.
 
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