Buick Century P Codes (Powertrain) P0400 - P0499 P0446

Browse Buick Century P Codes (Powertrain) P0400 - P0499 P0446 questions and answers. Choose a question that matches your symptoms.

3 discussions

Code P0446 That's A Small Leak In The Emissions?

2000 BUICK CENTURY

Ok So I Bought This Car And I Keep Getting A Code Po446 That's A Small Leak In The Emmission Or Gas Cap And There's A Hard Plastic...

35 ANSWERS

7 IMAGES

Asked by Wimms77

2000 BUICK CENTURY

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...

1 ANSWER

5 IMAGES

Asked by Chuck2588

1999 BUICK CENTURY

Dear Technician, In My Car Listed Above I Very Often Have The Check Engine Soon Notification With This Number: No. P0446 And Text: Evap...

3 ANSWERS

9 IMAGES

Asked by Adbal

Browse by repair topic

Can’t find your issue?