What's wrong with the spark of gasoline car for the elderly?

1. Possible cause: circuit or electronic failure. Circuit faults include: fuse blown, high-voltage coil disconnected, low-voltage circuit disconnected, central ignition wire falling off, distributor leakage, and spark plug damaged. Electronic failure mainly refers to the loss of function of the central computer control panel.

2. Possible cause: oil circuit failure. Signs: engine weakness, fuel pedal failure, stepping on cotton oil circuit may appear in the following parts: oil pump failure, oil circuit blockage, oil filter blockage, carburetor failure, nozzle damage and so on. Sometimes it happens that the fuel tank is empty and the owner doesn't know.

3. Mechanical failure. Common mechanical faults are: broken timing belt (chain), no pressure leakage of cylinder, etc.