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Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0401
P CODES (POWERTRAIN) P0400 - P0499 P0401
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Found 74 results
Code P0401?
I Have Already Replaced The Egr Valve And The Dpfe Sensor, But Still Can't Keep The Check Eng Light Off. Code P0401 Insufficientegr...
Asked by
bellevue5150
·
76 ANSWERS
18 IMAGES
2000
FORD F-150
VIDEO
Is it Safe to Drive Check Engine Light?
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...
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
P0401 Code
P0401 Code Continues To Show Up, Even After Replacing The Egr. Oddly Enough The Code Doesn't Show Up For A While If Mid-grade Gas Is...
Asked by
cannon1349
·
3 ANSWERS
24 IMAGES
1999
TOYOTA TACOMA
P0401 Code?
A Month Ago I Had Check Engine Light With A P0401 Code For Bad Egr Flow. After Checking This Site I Figured It Had To Be The Vsv Which I...
Asked by
chriskling
·
1 ANSWER
15 IMAGES
1998
TOYOTA CAMRY
VIDEO
How to Read Trouble Codes
Instructional repair video
Trouble Code P0401?
My Engine Light Is On And I Can't Get It Smogged. All The Tests Passed With The Exception Of The Light. I've Cleaned Out The Egr...
Asked by
Peridog
·
35 ANSWERS
5 IMAGES
2001
TOYOTA CAMRY
Code Po401
Exhaust Gas Re-circulation Problem.
Asked by
kenneth byrd
·
25 ANSWERS
4 IMAGES
1999
FORD TAURUS
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...
Code P0401
P0401 Code Keeps Triggering When I Have Already Fixed/changed The O2 Sensors, Mass Flow Sensor, Egr Regulator/modulator, Evap Canister...
Asked by
ItzyaboyJo
·
7 ANSWERS
2 VIDEOS
4 IMAGES
2002
LINCOLN LS
P0401 Code
Obd Kicks 401 Code. Hold Hand Near Firewall On Passenger Side And Can Feel Air Blowing Up. When Driving Sound Is Louder During Acceleration...
Asked by
Eric Field
·
7 ANSWERS
6 IMAGES
2001
MERCURY SABLE
1998 Saturn Sc2 Is Throwing P0401 Code.
I Have Changed Egr Valve, Cleaned Ports, Changed Engine Temp Sensor, Tps, Map, Sensor, Plugs, Wires. What Am I Missing Here?
Asked by
tmudge123
·
24 ANSWERS
1998
SATURN SC2
OBD II System Not Readying, Code P0401
I Parked This Car For About 4 Months. Before I Parked The Car It Had Two Codes, One Had To Do With The O2 Sensor, And I Can't Remember...
Asked by
jrbladh
·
6 ANSWERS
4 IMAGES
1999
SATURN SL1
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