This application informs and explains in detail about car repair, especially in engine parts and how to fix or solve problems with engine parts, also equipped with easy-to-use explanations. where many components are discussed which are related to the machine, in particular in wiring diagrams and Problem Diagnosis General machine information and diagnostics Explanation of the OBD system DLC explanation Schematic and path diagram Electronic control system circuit diagram Locations of component electronic control systems Diagnostic information and procedures Repair instructions Specification Special tools and equipment Aux. Emission control tools Machine electrical equipment Machine mechanics Engine lubrication system Engine cooling system Fuel system Starter system Filling system Exhaust system Check engine and emission control systems MIL check DTC check DTC removal DTC table Fail-safe table Data scanner tool Visual inspection Check the base of the machine Diagnose engine symptoms MIL is not ON with the ignition "ON" and the engine is turned off MIL remains ON after engine is started Serial data link circuit checks Check of relay fuel pump operation Check the fuel injector circuit Check the fuel temperature sensor Check the fuel pressure sensor circuit Check of the fuel flow drive operation Check the air intake / Turbocharger circuit MAF sensor check Boost pressure sensor check Barometric pressure check Check EGR valve operation A / F sensor check Check the operation of the solenoid valve pressure controller Main relay work check Check engine speed ECT sensor check IAT sensor check Gas pedal check Speed ​​signal check Examination of glow plug surgery Radiator cooling fan work check ECM and circuit checks Application features: Step-by-step detailed explanation Detailed information in each section Works without the Internet If you want to make it easier to repair cars, especially in wiring diagrams and Problem Diagnosis, especially in engine parts you must install the application "Car Electrical Wiring Diagram"