CHEVROLET P CODES (POWERTRAIN)

I Recently Had A Thermostat And Sensor Changed. They Drained The Antifreeze And Re-added When Finished. Days Later I Have A Code P0299 And...

I Put A Different Motor In The Car Now At Idle Runs Fine But When Hit Gas It Chugs And Want To Stall. There Are 3 Codes Po118, Po122 And...

I Recently Replaced The Exhaust Manifold Catalytic Converter On My Truck. While Doing So I Had To Move The Secondary Air Flow Check Valve So...

Yesterday I Went To The Store And Noticed My Air Conditioner Was Blowing Out Hot Air. And Noticed That The Engine Fan Was Running Hard. I...

I Changed Out The Vapor Control Valve Canister And I Still Have The Error Code. Any Advice?

When I Start My Car, It Shakes Really Hard And There Is No Acceleration.

I Still Have A P0300 Code Problem Going On. Runs Pretty Bad. I Have Replaced The Following: Plugs, Wires, Distributor Cap And Rotor, ...

The Check Engine Light Turned On. Went To Autozone To Get The Printout To Find Out What It Was, And It Come Up Evaporative Emission System...

Engine Mechanical Problem V8 Four Wheel Drive 135000 Miles Car Runs Nicely For Several Days Then Quits. Will Restart But Usually Quits...

I Had Changed My Gas Cap Twice Even Both The Purge And Canister Vent Valves So I Was Thinking What Else Could Be The Problem To Get Rid Of...