What are the reasons for car shaking during startup?
1 Answers
Car shaking during startup can be caused by: 1. Dirty throttle body; 2. Excessive carbon buildup in fuel injectors; 3. Poor ignition system performance, weak spark plug firing; 4. Abnormal fuel pump pressure; 5. Faulty or incorrect readings from the intake pressure sensor; 6. Worn-out engine mounts. Solutions for car shaking during startup include: 1. Clean or replace the air filter; 2. Use a multimeter to measure resistance and replace wires with high resistance; 3. Ensure the engine operates within normal temperature range; 4. Clean fuel injectors; 5. Replace spark plugs; 6. Clean fuel lines and idle control valve; 7. Replace engine mounts.