ChkOBD - OBD2 Analyzer

Now, besides the free viewing of engine and common car sensors data, the app supports over in app purchase: . Extended engine values viewing . Smog Check Assistant, to let you verify if your car will pass your next State Smog Check (USA only) . Vin Analyzer lets you see analyzer the Vehicle Identification Number and all USA government related information . Error Analyzer, to let you visualize and reset more than 4000 Trouble Error Codes.