PONTIAC CATALYTIC CONVERTER

Hello, I Am Asking This Question Because My 1993 Pontiac Sunbird 3.1fi Car Was Running Great Until My Son-n-law Took It To North Carolina...

My 2001 Bonneville Occasionally Gets Suddenly Sluggish While Driving, Especially On Highway. The Engine Will Suddenly Knock, Almost Like...

I Had My Cats Changed Last Year, But My Check Light Is Back On For A Po420 Cat Efficiency Low Bank 1. The Mechanic Says I Need A Heavier...

In September 2012, Cranked Fine, But Sputtered And Would Hardly Go. It Idled Ok, But If Rpm’s Got Above 1000, It Sputtered And Would...

I'm Trying To Find Out How Many Catalytic Converters My Car Has.

Been Hearing A Rattling Sound When Accelerating At Highway Speeds Along With A Sulfur/rotten Egg Smell Now And Then. Wondering If My...