Buick Emission
Browse Buick Emission questions and answers. Choose a question that matches your symptoms.
123 discussions
Egr Problem
I Have A 1999 Buick Century With A 3100 Engine. I Have Changed The Egr 3 Times And Idle Air Control 2 Times. I Changed The Intake Gaskets...
Asked by debbie1966
1999 Buick Regal Egr Valve
Engine Light Came On , Replaced Egr Valve. Do I Need To Reset After Install
Asked by Thomasallen
1999 Buick Century EGR Valve
The "service Engine Soon" Light Came On And The Code Read That The Problem Was With The Egr Valve. I Removed The Egr Valve And Lubricated...
Asked by jhunter
What Hoses Connect To The Canister Purge Valve...
I Disconnected The Hoses And Did Not Label Them. Does One Connect To The Pcv Valve Hose?
Asked by Apibro
Purge Solenoid
I've Replaced The Purged Solenoid 7 Times. If I Drive The Car Kinda Hard, The Solenoid Litterally Falls Apart And That's Why I Keep...
Asked by jayson360
I Asked A Question Yesterday About The Evaporative...
I Asked A Question Yesterday About The Evaporative Emission System And Donated $5.00. Where Is My Answer?
Asked by mcurtis93
What And Where Is The Evaporative Emission Control...
Code Reads- P0440- Stft B1= -1.6% , Ltft B1= -8.6%.
Asked by mcurtis93
Pvc Valve
Where Is Pvc Valve Located On 1999 Buick Lesabre And How Do You Install. 3.8
Asked by jmucherson
Browse other repair topics
Can’t find your issue?
Ask a new Buick question
