P CODES (POWERTRAIN) P1100 - P1199 P1131

I'm Trying To Narrow Down The List Of Solutions For The Problem With My 98 Mustang, Says Too Lean On Bank 1 I Have Already Checked For...

Engine Performance Problem 1997 Mercury Marquis 6 Cyl Automatic 94000 Miles Car Runs Rough At Idle, Difficult To Stay Running, Mil...

Any One Have An Idea On What I Should Check First Before I Buy Any Parts For It. I Heard It Could Be The Fuel Pump Or The Filter Or Possible...

I Have A P1131 Code, Swirl Control Solenoid Valve Problem, Where Is It.

1996 Mercury Sable Automatic 186, 00 Miles I'm Trying To Find Out About A Code That Was Found P1131 Do Anybody Know What I Need To Get...

I Have A 97 Ford Explorer And It Threw The Code P1131. It Idles Really Rough At Times And Sometimes Even Kills. I Can Also Smells Unburned...

Hello, Its Just Me Warren. And I Am Sorry If I Posted This In The Wrong Section Of The Site. I Looked For It On Here But I Couldn't...