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1996 Buick Regal Custom 3.1L MIL Lamp on
Posted to GM Driveability on 6/18/2007 27 Replies

Hello all, could use a little help on this one. vehicle keeps setting code p0401 egr insuffient flow. removed egr valve to inspect passages, no restriction found. we then did a induction flush to remove any carbon. After induction flush we noticed that the map...

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  Related Documents & Media  1996 Buick Regal Custom

 
Message Closed w/FIX

car Vehicle Data

1996 Buick Regal Custom

VIN 2G4WB52M6T
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0401EGR System Insufficient Flow Detected
Message Closed w/FIX

car Vehicle Data

1996 Buick Regal Custom

VIN 2G4WB52M6T
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0401EGR System Insufficient Flow Detected