P CODES (POWERTRAIN) P0100 - P0199

Does Heater Have Current With Key On Or Car Running?

Mass Air Flow Or Volume Air Flow Circuit Low Input Keeps Coming Back After We Clear It Have New Battery Spark Plugs Fuel Filter New Mass...

Which Catalytic Converter To Change Codes P0171, 174, 430, 300, 303, 305? Replaced Spark Plugs Not Sure What To Do Next.

What To Look At For A P0171 Code?

Wont Keep Running Then Would Be Ok

I Have Codes P0135 And P0155 Displayed On Code Reader. Both Are 02 Heater Circuit Malfunctions. P0135 Is Bank 1 Sensor 1 And P0155 Is Bank 2...

I Have A 1999 Ford Ranger 4.0 V6. I Tried To Get It Smogged And It Said Code P0171 I Took It Into The Shop And They Said Its A Lean Code...

Hi. This Is A 2001 Volvo S40 1.9l Turbo. I've Been Having Much Less Power On Acceleration And Engine Roughness Or Stumbling Accompanied With...

I Have A Check Engine Light On In My 2.7l Chrysler Concorde. The Multiple Codes That I Am Receiving Are P0141 And P0161. These Codes Point...

It's Giving A P0134 Code Which Is For A/f Sensor 1. I Understand This To Be The Upstream Or Before The Cc Sensor. The Price For One Is...