DODGE DART TROUBLE CODE

Throttle Response Isn't Full, Isn't Where It Should Be. Where Would You Start On Something Like This? Hard To Get Up To Speed...

I Have A P0229 Turbo Under Boost Code Come Up. When The Code Is Active Turbo Does Not Boost Full Pressure. Trying To Find Out How To Fix It.

My Car Has A Check Engine Light On And A P0303 Misfire Code Coming Up. I Replaced Both The Spark Plug And The Ignition Coil Pack For...