What Are the Reasons for Difficulty in Starting a Vehicle?

[SanLaila]

Vehicle difficult to start reasons are: 1. The air-fuel mixture is too lean or too rich; 2. Fuel supply system failure or intake system failure; 3. Spark plug or ignition coil failure; 4. Severe carbon deposits in the engine; 5. Engine mount aging or loosening; 6. Insufficient cylinder pressure. The solutions for difficulty in starting a vehicle are: 1. Adjust the air-fuel mixture concentration; 2. Check the fuel supply system and intake system for faults; 3. Check whether the spark plugs or ignition coils are working properly and replace them in time if there are problems; 4. Clean the carbon deposits in the engine; 5. Replace the engine mounts; 6. Use higher quality fuel.