Pontiac Firebird Emission

Computer Problem 2000 Pontiac Firebird V8 Two Wheel Drive Automatic I Have A 2000 Pontiac Trans Am That The Service Engine Light...

Hi, My Firebird Won't Pass Smog Because Of Random Misfire.calif. Has A Program(caps) To Help With Up To $500. In Emission Related Repairs Or...

Where Is The Egr Valve And How Do I Replace It?

First, I Would Like To Thank The Tech "cly" For Answering My First Question On Where To Find The Maf And Map. I Tried To Give Feedback But...

Have A Problem With Egr Silnoid Got New One Replaced But Still Comes On And Says 2,3 Not Working So I Changed Ecu And Still Comes On And I...

For A Car That Has This Low Of Milage I Have Had To Do All Kinds Of Things To It, I Call It Gms Junk. Never The Less, The Engine Was...

Everything Was Running Fine, But I Did A Tune-up. I Changed The Spark Plugs And Wire, The Distributor Ect. After That I Started The Car And...

I Had My Car Smog But It Was Tested As A Gp Replace The Vacume Lines And They Say The Tanks Has A Air Leak On The New Tank Test What Can I...

I Have A 1987 Pontiac Firebird V-6 With 70,000 Original Miles. Just Completed Tune-up. (plugs, Wires, Cap, Rotor, Pcv Valve, Fuel Filter...

I've Replace Egr Egr Sensor It Has Two Maps Replace Them Both Cat & O2,sensor Tune Up-change Oil Whats Next. Help