OBD1 CODES CODE 51

I Changed The Oxy­gen Sen­sor About Two Years Ago And It Seemed To Fix It For Awhile. It's Start­ing To Run Rough Es­pe­cially When Cold.

En­gine Me­chan­i­cal Prob­lem 1996 Chrysler Town And Coun­try 6 Cyl Front Wheel Drive Au­to­matic 209k Miles When I Took It To Get It On A...

In­jec­tor Sen­sor What Is My Course Of Ac­tion To Fix? New In­jec­tors? I Have Used Seafoam & Royal Pur­ple Cleaner, It Ran Bet­ter Be­fore I Got...

I Have A 1989 Dodge Day­tona 2.5 Turbo. Is Con­sum­ing Too Much Fuel. For A Gal­lon Of Gaso­line I'm Only 10 Miles. The Self-test Gen­er­ates The...

I Have A 91 Lebaron Con­vertable V.6. It Has Been Parked For About 4 Years And When We Started It Up It Ran Fine For A Few Days Then It...

Changed Fuel Fil­ter, Wires, Plugs, Cap, And Ro­tor. Keeps Throw­ing Out A Code 51. Over The Past Month It Has Thrown Out Dif­fer­ent Codes...