How to convert an ordinary carburetor engine into an electronic injection engine

How to convert an ordinary carburetor engine into an electronic injection engine, today the editor of China Auto Parts Network (www.qipei8.com) brings you the answer to how to convert an ordinary carburetor engine into an electronic injection engine, hope Everyone can like it.

How to convert an ordinary carburetor engine into an electronic injection engine

There is currently no personal modification. It is very troublesome if you want to change it. You have to replace the whole car circuit, and modify the whole car sensor. Some also need to drill on the engine, a computer version, fuel injection assembly, exhaust, air intake, and Instrumentation, throttle, crankshaft position sensor, and many more. It is estimated that you will need a lot of money to modify it.

How to convert an ordinary carburetor engine into an electronic injection engine

Something added:

1. Control system: ECU

2. Signal system: throttle opening sensor, air flow sensor, crankshaft position sensor, water temperature sensor, oxygen sensor. These are the most basic. If it is a multi-point sequential injection, there is also a cylinder signal sensor, which can be judged by a distributor or a camshaft position sensor. 3. Execution system, the main components are fuel injection system and throttle idling control valve body. If it is a single-point EFI, just make a single-point EFI throttle valve body, which can directly replace the carburetor; for multi-point EFI, it is necessary to modify the inlet airway, increase the injector socket, and have a fuel rail. , Pressure limiting valve, oil pump, etc.

The crankshaft position sensor needs to install a toothed disk with missing teeth on the crankshaft. Generally, electromagnetic sensors are used to detect the signal of the toothed disk. ECU judges the phase according to the battery sensor signal, and the missing tooth is used as the starting point of the phase.

That's almost it, in the end it is recommended to find a professional person to modify it.