7 | Fault of fuel metering pump | 1. Incorrect connection | Check whether all the plug-in connects of fuel metering pump correctly and lead is loose. If yes, please fix it. |
2. Short circuit or open circuit of lead | Check whether there is short circuit or open circuit of lead by multimeter. If yes, please fix it or replace it. | ||
3. Damage of fuel metering pump | Check fuel pump’s resistance between two leads. If it is not between 15-25 ohms, pls replace it |