34151 FET INJECTOR DRIVER DOWNLOAD

Often the engine will run with lower values, but will not have enough voltage to re-start. To limit the current to under 2 amps, you need:. The fuel supply lines for the top of the injectors are the same size. This can be avoided by using resistors in series with the injectors, and disabling the pulse width modulation PWM. In order to prevent future flyback failures, you can adapt either the flyback board or injector resistors. To use the flyback board , you will discard many of the original V2.

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If it passes all unjector tests, you have to start looking at individual components. Econoline vans have these as well. Fuel rail connected to the injectors that are mounted just above the intake manifold on a four-cylinder engine.

However, you can’t really compare the throttle of an EFI throttle body to the throttles of a carb. For a complete listing of various fittings with part numbers, etc.

Peak&Hold Injector Driver Board for Megasquirt

You can remove the remaining flyback components if you wish. It is mounted with the reset switch straight up. Injedtor there a simpler piggyback version? Can I buy an assembled unit? However, they were a favorite in the aforementioned competition trials in which essentially wide-open throttle operation was prevalent.

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This shows how to connect the board.

You may prefer to use an OEM injector resistor box instead of making you own set-up. Verify that the heat sink will sit flat when bolted to the case. For TBI, use a psi gauge. However sometimes it looks fine. If your regulator is adjustable many aftermarket 3411 areyou can also adjust the fuel pressure to achieve different flow rates.

Megasquirt Support Forum (MSEXTRA)

Maintaining the correct fuel pressure is done by a fuel pressure regulator. Note that if you feel your fuel supply is not smooth enough, you can add an accumulator.

Injectors frequently have identifying numbers stamped on them. So these injectors are okay on this engine, but just barely. Be sure to remove the fuel tank cap frt starting the cleaning. From the manual here http: The Flyback board must be used in conjunction with embedded code version 2.

We do not sell email addresses or other private information. Often the engine will run with lower values, but will not have enough voltage to re-start. So you really have to compare the EFI throttle size to the carb’s venturi size. For a complete listing of various fittings with part numbers, etc. This can be avoided by using resistors in series with the injectors, and disabling the pulse width modulation PWM.

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To assemble the flyback board, follow these instructions: Install at least one fire extinguisher in your work area away from where the fire injechor mostly likely to occur and carry another one in your car.

Injectors that have too small a flow rating can starve the engine of fuel at full power, and seriously damage your engine.

Some people use the complete individual runner IR throttle body and injector set-ups off late model motorcycles – they often have enough flow for automotive engines, and are frequently available cheaply on eBay. With lower opening times by allowing full voltage i. As well, you would need a very large resistor to handle more injectors.

If you are using an aftermarket fuel pressure regulator, it is a good idea to also install a pressure gauge, since most of these are adjustable.

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