
1996 Buick Regal Custom 3.1L MIL Lamp on
car came in with mil lamp illuminated with code po401a. we egr valve & connector, clean egr tube & upper plenum. light comes on after cust picks up car & drives 1 1/2 weeks of local stop & go driving. no running problems are experienced. thanx
FIX posted 9/22/2008
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)18 Replies Received(Hide Replies)18 Replies Received
|
Message Closed w/FIX
|
VIN | 2G4WB52M3T |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0401 | EGR System Insufficient Flow Detected |
Message Closed w/FIX
Vehicle Data
1996 Buick Regal Custom
VIN | 2G4WB52M3T |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0401 | EGR System Insufficient Flow Detected |