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Trouble Codes
P Codes (Powertrain)
P0400 - P0499
BUICK P CODES (POWERTRAIN) P0400 - P0499
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Found 30 results
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P0401
P0404
P0405
P0410
P0411
P0412
P0420
P0440
P0442
P0443
P0446
P0449
P0453
P0455
P0481
Code P0446, EVAP Vent System Performance?
Dear Technician, In My Car Listed Above I Very Often Have The Check Engine Soon Notification With This Number: No. P0446 And Text: Evap...
Asked by
Adbal
·
3 ANSWERS
9 IMAGES
1999
BUICK CENTURY
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...
Error Code P0411
I Have Replaced Plugs Was Thinking Of O2 Sensor Eliminator. But I Don't Know.
Asked by
JD77
·
3 ANSWERS
8 IMAGES
2005
BUICK LA CROSSE
Problem Code Po412
How Do I Check For The Problem Code Po412 And Where Is The Location Of The Air Injection Pump Relay Control Circuit In A 2000 Buick Regal 3....
Asked by
james giles
·
2 ANSWERS
7 IMAGES
2000
BUICK REGAL
Code P0442
What Does The Code P0442 Mean?
Asked by
pculqui
·
1 ANSWER
7 IMAGES
1999
BUICK REGAL
VIDEO
How to Read Trouble Codes
Instructional repair video
Have A P0446 Code
My Car Has Been Sitting For About 9 Months. The Check Engine Light Was On I Had It Shut Off And It's Still P0446. I Just Replace The...
Asked by
Chuck2588
·
1 ANSWER
5 IMAGES
2000
BUICK CENTURY
EGR Test Result Explanation, Code P0404
Performed All Egr Tests. Still Getting P0404. Same Test Results On Three Different Units-2 Used, 1 Brand New. Results As Follows, (no...
Asked by
rjw92458
·
3 ANSWERS
3 IMAGES
2002
BUICK CENTURY
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...
P0449 Vent Control Circuit Intermittent
Trying To Pass Emissions Test Failed Once Code P0449 Changed Charcoal Canister, Vapor Canister Vent Solenoid, Gas Cap, Cleaned Corrosion...
Asked by
dswitz
·
8 ANSWERS
1 IMAGE
2003
BUICK RENDEZVOUS
2005 Buick La Crosse Code Po411
My Back Yard Mechanic Told Me To Get Secondary Air Pump Only Could Get One From Dealer, They Had To Order One, So Found A Used One Via...
Asked by
al walker
·
1 ANSWER
2005
BUICK LA CROSSE
2002 Buick Lesabre PO442 Leak
I Have A Po442 Small Leak In Evaporative Emission System. How Do I Check Cannester And Purge Valve? Or Do I Just Replace Both? If...
Asked by
peoriamarty
·
1 ANSWER
2002
BUICK LESABRE
2006 Buick Lucerne DTC P0443
What Should I Check First Before Replacing Parts? I Have Cleaned The Throttle Body Air Filter Has Been Replaced I Sea-foamed The Fuel...
Asked by
mightyjoe15
·
2 ANSWERS
2006
BUICK LUCERNE
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