Saturn SL2 EGR Valve

I Have An '02 Saturn With 90,000 Miles, My Check "engine Light Soon" Came On So I Took It In To Get Scanned It Came Back With The Error Code...

My Check Engine Is Not On... But I Am Having Problems Going Up Hills It Shifts Ok Until I'm Climbing A Hard Hills Said It Goes From 2000...

I Had A Mechanic Do Work On My Car And Now The 02 Sensor ,egr Sensor ,and Catylt Sensor Won't Turn On.it Says Those Sensors Aren't Ready....

My Check Engine Light Came On Yesterday Morning. I Never Comes On So I Was Concerned. I Took It To The Local Auto Parts Store And After The...

I'm Questioning The Dealer's Work On My Engine And Looking For An Informed Opinion. I Had Been Using Oil Slowly For While, And Last Month I...