egr

Ok here is some backstory if it can be relevant: I bought this 2003 LeSabre from an auction about 7 weeks ago, its my first LeSabre so everything's new to me. The motor was coated in oil with small pools in the space between the plenum and front valve cover. There was chocolate milkshake on the...

Hello, all! I have a 1999 Park Avenue base model 3.8 that is having some issues. It all started with the terrible gas mileage and the check engine light for o2 sensors. I replaced them and things were getting better until the light came back on...this time for egr valve. The car would...

My 1995 Buick Roadmaster randomly will run rough then die. One day it will run for hours and another it wont start. Sometimes while it is running good it just dies. Typically when it dies you can start it again in a few min and drive a block or so. when running badly it will have random spurts...