What to Do When the Car Shakes During Cold Start but Runs Normally When Warm?
1 Answers
When experiencing shaking during cold start but normal operation when warm, it is advisable to promptly visit a professional repair shop or a 4S store for inspection. Below are detailed explanations: 1. Engine mechanical failure. For example, uneven cylinder pressure across cylinders. Solution: It is recommended that the owner visit a professional repair shop or a 4S store for inspection. 2. Intake system failure, such as intake pipe leakage. Excessive carbon buildup on intake valves and intake pipes, or excessive dirt on the throttle body and intake pipe walls. Solution: It is recommended that the owner visit a professional repair shop or a 4S store for inspection. 3. Engine management system failure. For example, incorrect coolant temperature or intake air temperature signals, or wiring faults. Solution: It is recommended that the owner visit a professional repair shop or a 4S store for inspection. 4. Ignition system failure. For example, excessive carbon buildup on spark plugs or incorrect gap, leakage in high-voltage wires or distributor cap, or damaged ignition coil. Solution: It is recommended that the owner visit a professional repair shop or a 4S store for inspection. 5. Fuel supply system failure. For example, injector nozzle closing improperly or being blocked due to excessive internal carbon buildup. Solution: It is recommended that the owner visit a professional repair shop or a 4S store for inspection. In addition to the faults mentioned above, other factors can also cause severe shaking during cold start. These faults cannot be resolved by the owner alone, so it is recommended that the owner visit a professional repair shop or a 4S store for inspection.
