P CODES (POWERTRAIN) P0400 - P0499 P0430 Questions

I Have A 2007 Pontiac G6 Gt. The Check Engine Light Came On A Couple Of Times And I Finally Had An Engine Scan/analysis Done Instead Of Just...

Code P0430 Keeps Engine Light On All The Time. Have Been Told By Others It Is A Bad Ox Sensor And Won't Do Any Harm. Is This True? And...

Ok Ok,let Me First Start By Saying Many Of You Have Been Helpful In The Past And Hopefully Will Come Thru For Me Again.i Have A 97 Grand...

I Noticed The Clicking Noise When I Got Off The Tollway Where I Was Doing Around Eighty Mph. It Does Not Make The Noise Until I Reach...

This Car Has Only 64k, And Im Getting This Code Copming Up: P0430 - 002 - Lower Limit Exceeded - Mil On. The Check Engine Light Is On, And I...

It Started As Codes P0305,p0307. Misfires On Cylinders 5 And 7. I Purchased New Coil Packs For The Two Cylinders And New Plugs For All 8 And...

I Got A P0430 Code And I Wanna Make Sure It Is Not My Cat Thats Gone Wrong. I Want To Check The O2 Sensors But I Dont Know What The Voltage...

My Car's Cel Is On Always. On Checking I Got Error Code P0430. I Checked On Internet And Found The Problem Is Something Related With...

I Have A 1997 Ford Explorer With Trouble Codes P0430, P0171 & P00174. I Have Cleaned The Maf. Not Sure Where To Go From Here.kevin. When I...

I Have A 2000 Ford Taurus. I Currently Have 135,000 Miles On It. Recently My "check Engine" Light Came On. I Had It Checked And It Came Back...