P CODES (POWERTRAIN) P0400 - P0499

Car Will Not Go It Takes Forever To Get Passed 20 Mph And Ive Tried Changing Postiion Senosr The Mass Air Flow Sensor The Egr Valve Cleaned...

Can I Use A Little Tecron To Clean In The Hoses To Evap Solenoid?

2002 Dodge Grand Caravan Sport; 82,500 Miles Check Engine Light Came On. What's The Best Way To Repair This? What Type Of Cost Am I...

Evaporative Emission Vent Vlave Solinoid Circuit. What Does This Mean And How Do I Fix The Problem?

I Have Mil Cyl # 1 Misfire And Nvld Canister Vent Valve Soleniod Circuit Indicating High Voltage. How Do I Go About Correcting The Problems...

How Can I Repair A Code:secondary Air Injection Pump?What Tools Do I Need And Which Part Do I Only Buy?On My 1999 Saturn Sw 2. Thank You

When The Vehicle Is Idling, It Seems As If It Is Going To Stall Out. It Has Not Yet, But Has Come Close. I Have Checked The Gas Cap To...

These Codes Have Come Up On Car. The Car Will Not Shift Properly While Driving. What Do These Codes Mean And How Do I Fix The Problem?

I Have Already Replaced The Bank Two O2 Sensors And My Check Engine Light Has Been On For Weeks. I Used My Scan Tool In Live Data Mode To...

Service Engine Light Is On, The Code Is Po 455, Can I Still Drive It, Will Hurt Anything And Where Would I Start To Look For The Problem