Buick Lesabre P Codes (Powertrain) P0400 - P0499 P0442

Browse Buick Lesabre P Codes (Powertrain) P0400 - P0499 P0442 questions and answers. Choose a question that matches your symptoms.

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2002 Buick Lesabre PO442 Leak

2002 BUICK LESABRE
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...
1 ANSWER
Asked by peoriamarty

Codes P0102 And P0442

2000 BUICK LESABRE
Rough Idle/idle Stall. Stalls When Parked. Coolant Is Low. Coolant Was Flushed And Replaced Less Than A Week Ago And It's...
1 ANSWER
Asked by gjmattxm

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P0412P0420P0440P0442

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