What should I do if the Chevrolet Cruze cold car is not easy to start?

1, determine the cause of the failure. For the diagnosis of engine starting failure, the battery should be tested first. It is necessary to find out whether the engine won't start and the battery is low. 2. Check the ignition timing. Timing belt slippage is the root cause of the failure that the engine can't start without electric spark. 3. Test the startup system. For the fault that the engine can't start, the first thing to do is to detect the circuit in the engine starting system. From the most basic form of composition, the circuit of starting system generally includes the following basic parts, namely, battery, starting motor and cables connecting these parts. Of course, in addition, the ignition switch, starter relay or electromagnetic coil, and vehicle-mounted anti-theft system are also important components of the starting system. 4. Check the quality of electric spark. When the circuit of the starting system passes the test and proves that there is no fault, it is necessary to analyze why the engine can't run. Generally speaking, the ignition system of the engine is tested first, which is also the simplest test. In the early ignition system, you can easily remove the ignition coil, and then use the spark detector to detect whether the spark is normal. When choosing the electric spark detector, the adjustable detector is preferable to the fixed one, because it allows you to adjust the detector to a smaller gap, so that you can know whether there is no electric spark at all or whether there is electric spark but it is weak. 5. Check the fuel system. The diagnosis of fuel system can be divided into two parts: the diagnosis of fuel supply system and the diagnosis of injector circuit system. The fuel supply system can be tested by measuring the flow and pressure of fuel. The best way to measure the fuel flow is to detect the fuel supply pipeline when it is loaded. 6. Detection of anti-theft system: The vehicle-mounted anti-theft system will also produce some faults that are often overlooked in the oil supply system. Some automobile manufacturers include parameter identification function in the data stream of anti-theft system. On many models, replacing the module without properly initializing the anti-theft system will cause the car to fail to start. There are also some cars that need to replace the multi-function controller in order to make the engine start normally under certain circumstances, such as when the master key is lost.