Chevrolet Impala P Codes (Powertrain) P0400 - P0499 P0401

Browse Chevrolet Impala P Codes (Powertrain) P0400 - P0499 P0401 questions and answers. Choose a question that matches your symptoms.

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2003 Chevy Impala Code P0401

2003 CHEVROLET IMPALA
My Check Engine Light Came On On My 2003 Impala About 3-4 Months Ago. We Had It Scanned And Code P0401 Came Up. We Changed The Egr Valve...
1 ANSWER
Asked by user75

Code P0401...

2001 CHEVROLET IMPALA
Hello There. I'm Trying To Diagnose A P0401. I Had A P0405 Previously But Confirmed A Bad Egr Valve That Was Reading A Sporadic .05...
11 ANSWERS
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Asked by JDLaybourne

EGR DTC P0401 INSUFFICIENT FLOW

2001 CHEVROLET IMPALA
Hello, I Have An Issue With The Egr Valve On A 2001 3.8l Chevy Impala. I Get The Dtc P0401code, Insufficient Flow. I Replaced The Egr...
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Asked by laire

2001 Chevy Impala

2001 CHEVROLET IMPALA
Other Category Problem 2001 Chevy Impala 6 Cyl Two Wheel Drive Automatic How Do You Fix A Code Po401
1 ANSWER
Asked by timmya

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