P CODES (POWERTRAIN) P0100 - P0199

I Am Getting A Lean Code On My Truck. Changed Fuel Filter, Fuel Pump, O2 Changed Less Than Year Ago. Fuel Pressure Forty Two Pounds When...

I Just Purchased This Car And The Vechicle Inspection Station Told Me I Have A Code Number P0128. Before I Take It To My Mechanic To Pay For...

Engine Cooling Problem 2004 Chevy Trailblazer 6 Cyl Four Wheel Drive Automatic The Check Engine Light Came On Today While Driving To...

2002 Buick Lesabre 6 Cyl 58000 Miles My Service Engine Light Comes On One Day, Off The Next, Then On Again The Next Day, Etc. Thje...

Everyone Knows That There's Alot To Check With When It Comes To These Two Lean Codes: (p0171/p0174). But Some Vehicle May Have Very...

Check Engine Lights On! When I Fix The Problem Will The Light Go Out On Its Own? Error Codes P0171 And P0174. I Will Clean The Maf...

When Cold The Engine Starts Up And Runs At To High Of An Idle And When You Hit The Throttle The Engine Rpm Is Slow To Come Back Down. Once...

My Car Has Set Dtc P0174 Persistently. It Has Been To The Dealer 5 Times. First They Cleaned The Maf And The Intake System. That Worked...

For A Little Over A Month, P0171 (system To Lean) Code Comes Up. My Brother Has Cleaned The Throttle And The Maf. It Then Worked Fine For A...

2002 Sonoma, P0171 System Too Lean, Is Dumping Fuel, Runs Pretty Good Until Reaches Temp, Black Smoke Coming From Exhaust?