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1998 Buick Park Avenue 3.8L Surge, MIL Lamp on
Posted to GM Driveability on 5/9/2003 10 Replies

We are continuing to get a code P0401 EGR system insufficient flow. We have replaced the EGR valve and we are still getting the code. In order for the code to set we need to go on an exstended drive and be coasting to a stop. (must be a fairly long coast) The ...

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  Related Documents & Media  1998 Buick Park Avenue

 
Message Closed w/FIX

car Vehicle Data

1998 Buick Park Avenue

VIN 1G4CW52K8W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsSurge, MIL Lamp On
OccursAlways, on Decel
Misc.4 Door

Trouble Codes

P0401EGR System Insufficient Flow Detected
Message Closed w/FIX

car Vehicle Data

1998 Buick Park Avenue

VIN 1G4CW52K8W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsSurge, MIL Lamp On
OccursAlways, on Decel
Misc.4 Door

Trouble Codes

P0401EGR System Insufficient Flow Detected