HOME
ASK A QUESTION
REPAIR GUIDES
BECOME A MEMBER
LOG IN
Login with Facebook
OR
Remember me
NOT A MEMBER?
FORGOT PASSWORD?
CONTACT US
PRIVACY POLICY
TERMS AND CONDITIONS
☰
Home
Chevrolet
All
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0401
CHEVROLET P CODES (POWERTRAIN) P0400 - P0499 P0401
Select Make
All Makes
Acura
Alfa Romeo
AMC
Aston Martin
Audi
Bentley
BMW
Buick
Cadillac
Chevrolet
Chrysler
Citroen
Daewoo
Daihatsu
Datsun
Dodge
Eagle
Ferrari
Fiat
Fisker
Ford
Geo
GMC
Holden
Honda
Hummer
Hyundai
Infiniti
International
Isuzu
Jaguar
Jeep
Kia
Lancia
Land Rover
Lexus
Lincoln
Mazda
Mercedes Benz
Mercury
Merkur
MG
Mini
Mitsubishi
Nissan
Oldsmobile
Opel
Peugeot
Plymouth
Pontiac
Porsche
Proton
Ram
Renault
Rolls Royce
Rover
SAAB
Saturn
Scion
SEAT
Skoda
Smart
Subaru
Suzuki
Tesla
Toyota
Triumph
Vauxhall
Volkswagen
Volvo
Select Model
All Models
1500
2500
3500
Astro
Avalanche
Aveo
Bel Air
Beretta
Biscayne
Blazer
Bolt
Camaro
Caprice
Captiva
Cavalier
Celebrity
Chevelle
Chevette
Cheyenne
Citation
City Express
Classic
Cobalt
Colorado
Corsa
Corsica
Corvair
Corvette
Cruze
Custom Deluxe
Delray
Deluxe
El Camino
Epica
Equinox
Express
Fleetline
Fleetmaster
HHR
Impala
Kalos
Lumina
Luv
Malibu
Malibu Hybrid
Master
Master Deluxe
Matiz
Metro
Monte Carlo
Monza
Nomad
Nova
Optra
Prizm
S-10
Silverado
Silverado Hybrid
Sonic
Spark
Spark EV
Spectrum
Sprint
SSR
Storm
Styleline Deluxe
Stylemaster
Suburban
Suburban Hybrid
Superior
Tahoe
Tahoe Hybrid
Tracker
Trailblazer
Traverse
Trax
Truck
Uplander
Van
Vega
Venture
Vivant
Volt
Found 10 results
Code P0401...
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 To...
Asked by
JDLaybourne
·
11 ANSWERS
32 IMAGES
2001
CHEVROLET IMPALA
VIDEO
Code Read Retrieval/Clear Chevrolet
Instructional repair video
GUIDE
Check Engine Light
Why is my check engine or service engine soon turned on? In this guide we talk about what this is associated with this notorious light, what it is used for and what you...
EGR DTC P0401 INSUFFICIENT FLOW
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...
Asked by
laire
·
10 ANSWERS
2001
CHEVROLET IMPALA
P0401
1998 Chevrolet Monte Carlo P0401
Asked by
richardsbb
·
7 ANSWERS
1998
CHEVROLET MONTE CARLO
1999 Chevy Lumina Code P0401 Low Egr Flow
Service Engine Light On. Code P0401 Low Egr Flow. I Tried A Different Valve From The Junk Yard (i Cleaned The Origional And The Junk Yard...
Asked by
joej14701
·
2 ANSWERS
1999
CHEVROLET LUMINA
VIDEO
How to Read Codes Chevrolet
Instructional repair video
1998 Chevy Lumina Egr Code P0401
I Have A '98 Lumina With A 3.1 V6. For The Last 6 Months The Check Engine Light Has Been On. When Scanned Gives Code P0401 - Egr-...
Asked by
ryan harris
·
2 ANSWERS
1998
CHEVROLET LUMINA
2003 Chevy Impala Code P0401
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...
Asked by
user75
·
1 ANSWER
2003
CHEVROLET IMPALA
GUIDE
Check Engine Light Safe to Drive?
We are a team of ASE certified mechanics that have created this guide to help you understand if your car is safe to drive with the check engine or service engine soon...
1997 Chevy Lumina EGR Error Code P0401
Error Code P0401. I Have Cleaned The Inlet And Exhaust Tubes And Replaced The Egr Valve But The Light Comes Back On. I Used A Map Sensor...
Asked by
cas63088
·
1 ANSWER
1997
CHEVROLET LUMINA
1997 Chevrolet Silverado Error Code P0401
I Have A Check Engine Light On Scanner Shows 401, Egr. Replaced It, Cleaned Out Tube, Changed Ecm, Had It On Diagnostics And They Said...
Asked by
Plprater
·
2 ANSWERS
1997
CHEVROLET SILVERADO
2001 Chevy Impala
Other Category Problem 2001 Chevy Impala 6 Cyl Two Wheel Drive Automatic How Do You Fix A Code Po401
Asked by
timmya
·
1 ANSWER
2001
CHEVROLET IMPALA
P0401 Code Fix
I Drove It Fine The Next Day I Heard Noise Then The Engine Light Came On Code Number P0401?
Asked by
Mike Marei
·
1 ANSWER
1 IMAGE
2008
CHEVROLET UPLANDER
Ask a new Chevrolet question
Sponsored links
Ask a Car Question. It's Free!
SPONSORED LINKS
Online car repair manuals
