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1995 Chevrolet Blazer 4.3L MIL Lamp on
Posted to GM Driveability on 1/25/2000

HELP PLEASE What I have is this Blazer that keeps resetting code P0401 for insufficient EGR flow. What I have seen most of the times on these vehicles, is that the pintle will get stuck open with carbon and set codes and idle poorly. What I have on this on...

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car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNDT13W2S
Engine4.3 L / 6 cyl
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0401EGR System Insufficient Flow Detected
Message Closed

car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNDT13W2S
Engine4.3 L / 6 cyl
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0401EGR System Insufficient Flow Detected