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International Automotive Technicians Network
Buick with code p041
Posted to Technical Discussion Forum on 8/24/2012 4 Replies

Hey folks,This car came in with the p0411 code,secondary air insufficient flow,well checked the secondary air valve and as per usual,it had rusted and would not open,or indicate pressure,replaced the valve assembly,ran the cold start test and it failed. Same [... Login to read more.

4 Replies Received (View Replies)

 

car Vehicle Data

2009 Buick LaCrosse CXL 3.8L

VIN 2G4WD58299
Engine3.8 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2009 Buick LaCrosse CXL 3.8L

VIN 2G4WD58299
Engine3.8 L
Trans4-speed Automatic (Electronic)