SATURN EMISSION

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...

Car Won't Pass Emission Test What Is Passable No (ppm) M2: 25 Mph Mine Measured 44 I Have A 93 Saturn Sl2 I Am In California

I Have A 98 Saturn Sc1. Code Po 341 Keeps Coming Up. Before It Had A Code For Evap System To. Think It Was Po440 Or 441. Why Does It Get The...

My Car Is High In Nox And Already Reduced Everything Else Egr Was Bad And Changed It New One Didn't Work Neither After Warm Wount Hold...

Why Is My Car Failing At 15 Mph But Not At 25 Mph?

Would A Faulty Secondary Air Injection Pump Effect Gas Mileage And What Would Cause Gas To Be In The Air Filter?

The Ecm Has Detected A Fault In The Egr Position Sensor. Should I Still Drive My Car With This Error Before Dragging It Into A Mechanic? I...

Says The Car Running Too Rich. System Too Rich Bank 1. System Too Rich Bank 2.

Could You Please Explain To Me So I Can Understand What My Diagonostric Read With My Service Engine Soon Light. The Reading Came Up Po440...

1996 Saturn. Didn't Pass Emissons Test. Drove It A 3 Weeks And Tried Again. Sensors (3) Are Not Registering. What Do I Do Now? Cost?Help....