P CODES (POWERTRAIN) P0400 - P0499

Engine Mechanical Problem 4 Cyl Front Wheel Drive Automatic 114, 00 Miles You Have Helped Me Solve Problems With My Vehicles. Now I Need...

2001 Chevrolet S-10 Truck. I Am Having Problems Finding Out What To Look At For The Code P0410, Secondary Air Injection System Malfunction...

Been Getting Misfires Recently. First Started With A P0302. Then Changed Out All Spark Plugs And Coil Packs, Then One Day Accelerated And...

My Pcm Stores An Dtc Code P0443 Which Is The Evap Cannister Solenoid Valve Electrical Circuit. I Also Have A Flashing Tcil. I Replaced The...

I'm Finding Myself In A Pickle And Would Appreciate Advice. I Drive The Vehicle Listed Above With Less Than 100,000 Miles. And Recently...

2006 Grand Caravan 3.8l, 72,000miles. Has A P0420 Code, Catalyst Efficency Below Threshold Bank 1. Would That Be A Up Stream 02 Sensor? I...

Trying To Pass Emissions Test Failed Once Code P0449 Changed Charcoal Canister, Vapor Canister Vent Solenoid, Gas Cap, Cleaned Corrosion...

I Need Help Identifying What Parts I Need. All Information Online Is For Yukon Xl 1500 Or Other That Do Not Match My 2004 Yukon Xl 2500....

Check Engine Light Came On. Had It Checked And It States; P0442 Evap System Small Leak (0.040") Detec0.020ted. P0456 Evap System...

This Code Appeared Obdii System. I Know This Involves A Malfunctioning Canister Purge Solenoid. However, I Cannot Find It On This Truck. I...