Chevrolet Lumina P Codes (Powertrain) P0400 - P0499

Can Engine Cleaner/degreaser Be Used In Place Of Carburetor Spray In The Test For Vacuum Hose Leak Near The Manifold And Elsewhere?

Service Engine Light On...code P0401 Low Egr Flow. I Tried A Different Valve From The Junk Yard (i Cleaned The Origional And The Junk Yard...

Hi I Have This Code And I Was Told That I Need To Replace The Fuel Pressure Sensor. Should I Replace The Fuel Regulator As Well? Thanks

My 1998 Chevy Lumina Got Multiple Error Code ( P0305, P0135, And P0442) After Repair A Horn From A Dealer. After Repair I Only Have Run...

Car First Started Missing, Not Backfiring, When I Stepped On Accelartor Harder It Would Almost Die, Make A Popping Noise, Bilge Black Smoke...

I Have A '98 Lumina With A 3.1 V6 . For The Last 6 Months The Check Engine Light Has Been On . When Scanned Gives Code P0401 - Egr-...

Error Code P0401. I Have Cleaned The Inlet And Exhaust Tubes And Replaced The Egr Valve But The Light Comes Back On. I Used A Map Sensor...