1, check the spark plug first, and then conduct the flashover test if the spark plug is ok. Pull out the spark plug, start the car and watch the spark plug jump.
2. First, use a multimeter to find out the cause of power failure, check whether there is electricity at the input end of the ignition coil, and re-unplug the relevant terminals.
3. Check that there is no electricity in the fuse ignition coil, because the fuse is blown.
4. The double-row fuel injector has no electricity, and the ignition coil is not energized. The reason is that the main electrical appliance burned out the crankshaft position sensor. Need to check whether the fuel injector has electricity.