CADILLAC EMISSION

Where Is And How Do You Change Pcv Valve On This Northstar Engine?

The Egr Valve Mounts To The Rear Of The Water Pump Housing, And Is Held On W/2bolts/studs. My Question Is: Is The Egr Valve Mounting Base...

Cadillac Seville Sts 1996 135000 Miles 4.6 Liter V8 Received Pc1406 Code, Looked It Up And States Egr Valve. I Purchased A New Egr...

Where Is The Pcv Valve Located On My Vehicle Listed Above? Will I Need A Replacement Pcv Hose Or A Replacement Pcv Tube? Those Are The...

1990 Cadillac Deville, 89,182 Miles. On Very Recent, December 10, 2006 Initial Ca Smog Or Emissions Inspection/test At 15 Mph, No...

I Would Like To Know If This Is A Sensor And Where It Is Located And If I Would Be Able To Fix It The Car Failed The Emission Test For The...

I Have A 1993 Cadillac Sedan Deville With 179,000+ Miles On It. I Took It Through Inspection Here In Washington, D.C. And It Failed...

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 On...

Have A 86 Fleetwood With A 305 Olds Motor That Has Failed Emission Test With High Hc 5.19 And Oc 173.85 Had Complete Tuneup, Carb Rebuilt...

I Have Replaced 3 Catalytic Converters In 3 Years And I Still Can Not Pass Smog. I Keep Have The P0420 Code, Help