Cadillac Deville EGR Valve

Had A Code Of Po404 Which Is The Egr Valve. So I Replaced The Valve .and The Code Poped Back Up Can U Help Me

My Check Engine Light Came On And I Took It Up To Auto Zone And They Checked It And Said It Was My Egr Vavle.....now Can I Do Something...

My Car Is Running Rich ,i Change The Sensor On The Manifold Tune-up All New Tune-up Parts But The Car Runs Ruff Sometime It Back Fire A...

I Change Out The Egr Valve Because I Failed My Emissions Test. Now My Car Will Not Start. The Question Is If The Auto Parts Store Gave Me...

I Can't Figure Out The Correct Size Wrench/flex Wrench To Use There Is Not Enough Room For A Strong Enough Wrench To Fit Through Where...

When I First Start The Engine It Run Fine But As It Warm Up The Motor Start Running Different ,in A Few Minutes It Start Back Running Fine ....

1992 Cadillac Deville How Do I Remove The Egr Valve

I Just Ran My Diagnostic Codes For My 1992 Deville And E48 Which Means The Egr Valve ... Im Looking To See How Much Im Looking On Spending...

I Have 84 Cadillac De Ville With 4.1 Engine The New Engine Has 60,000 Miles And Transmition Was Just Rebuild, I Had The Car Parked For A...