Provide some graduation thesis topics about automobiles for your reference. 1 application analysis of engine emission technology 2 reasons for poor idle speed of mini-cars and control measures 3 development of diesel engine electronic control system 4 present situation and countermeasures of automobile exhaust emission control in China 5 diagnostic analysis of automatic engine flameout 6 maintenance and repair of automobile engine 7 development trend of diesel particulate emission purification technology 8 ways and control measures of automobile pollution 9 discussion of modern engine self-diagnosis system 10 on running. Failure analysis of the Chi 300SEL model that can't be started1/Detection and maintenance of insufficient power of Mercedes-Benz Sprinter 12 Diagnosis and maintenance of the electronic control system of Shanghai GM Buick engine 13 Diagnosis and maintenance of the electronic control system of Hyundai Elantra engine 14 Diagnosis and maintenance of the electronic control system of Guangben Accord engine/Kloc-0 Diagnosis and maintenance of fuel injection system/Structural control principle and maintenance of Kloc-0/6 Passat10.8t emission control system/Structural control principle and maintenance of Kloc-0/7 Guangben Accord emission control system/Discussion on idling causes and troubleshooting methods of Kloc-0/8 automobile engine/Maintenance of Kloc-0/9 automobile emission control system 20 Diagnosis and maintenance of B5 EFI system in Shanghai Passat. Maintenance 2 1 On the development of automobile inspection technology 22 Structure control principle and maintenance of Audi A6 emission control system 23 Diagnosis and maintenance of electronic control system of Toyota Lexus 400 engine 24 Diagnosis and maintenance of Audi A6B5 electronic fuel injection system 25 Diagnosis and maintenance of Peugeot 307 electronic fuel injection system 26 Analysis and maintenance of common faults of Jetta engine 27 Analysis of steering wheel shimmy fault 28 Analysis of anti-lock characteristics. 29 Fault Diagnosis of Automobile Chassis 30 Performance Analysis of Automobile Common Steering System 3 1 Fault Diagnosis of Automobile Gearbox 32 Development and Application of Airbag 33 Fault Diagnosis of Automobile Braking System 34 Characteristic Analysis of Several Domestic Automobile Driving Systems 35 Characteristic Analysis of Several Domestic Automobile Braking Systems 36 Characteristic Analysis of Several Domestic Automobile Steering Systems 37 Electro-hydraulic One. Application of body technology in automobile 38 Discussion on fault diagnosis method of Toyota series ABS 39 Discussion on fault diagnosis of universal series ABS 40 Mercedes-Benz 560 sel 4 1 Structural control principle and maintenance of al 4 automatic transmission 42 automobile braking system 43 automobile four-wheel positioning discussion 44 4T65E automatic transmission structural control principle and maintenance 45 Shanghai GM Buick steering system fault diagnosis and maintenance 46 Shanghai GM Buick 47 Hyundai Elantra steering system fault diagnosis and maintenance 48 Hyundai Elantra braking system fault diagnosis and maintenance 49 Sonata braking system structural control principle Structural control principle and maintenance of 50 electronically controlled suspension system 5 1 Structural control principle and maintenance of Shanghai Passat B5 automatic transmission 52 structural control principle and maintenance of Toyota Camry brake system 53 structural control principle and maintenance of Toyota Lexus 400 suspension system 54 diagnosis and maintenance of Peugeot 307 brake system fault 55 structural control principle and maintenance of Peugeot 307 manual transmission 56 analysis and maintenance of suspension and axle fault of Shanghai GM Buick 57 structural control principle and maintenance of electronically controlled hydraulic automatic transmission Analysis of the influence of repairing 58 tire performance on automobile running 59 Analysis and maintenance of common chassis faults of Jetta 60 Design of courseware for automobile steering system 6 1 Overview of ABS 62 design of automobile Research on anti-lock braking system of automobile 63 Maintenance and fault control of automobile battery 64 Application of information technology in automobile 65 Modern automobile leakage fault and control technology 66 Fault diagnosis of automobile ignition system 67 Analysis of Toyota Lexus 400 air conditioning control system 68 Research on fault diagnosis method of Santana automobile air conditioning 69 Analysis of automobile air conditioning regulation technology 70 Analysis of Mondeo air conditioning system 7/ Kloc-0/ oxygen sensor fault detection 72 Application and maintenance of traditional diagnosis in automobiles 73 Diagnosis and maintenance of Guangzhou Accord air-conditioning system 74 Diagnosis and maintenance of electronic ignition system 75 Diagnosis and maintenance of Shanghai Passat B5 air-conditioning system 76 Brief discussion on structural control principle and maintenance of body computer system 77 Fault analysis and inspection of Shanghai GM Buick air-conditioning control system. Repair 78 Common Fault Analysis and Maintenance of Guangben Accord Electrical Equipment and Accessories System 79 Summary of Common Anti-theft System of Automobile 80 Comprehensive Anti-collision Technology of Automobile 8 1 Anti-interference Design of Modern Automobile Audio 82 Analysis of Automobile Electronic Control Technology 83 Analysis and Maintenance of Common Fault of Audi A6 Electrical Equipment and Accessories System 84 Analysis and Maintenance of Common Fault of Shanghai GM Buick Electrical Equipment and Accessories System 85 Analysis and Maintenance of Common Fault of Peugeot 307 Electrical Equipment and Accessories System.