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Engine Error because of throttle booster

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Hello guys.

I am new driver and new to the club.

I have a Ford Focus Mk2 1.4 80Hp and i decided to install a throttle booster that i bought from ebay


The problem is when i plug it i get the following error: Acceleration Reduced, Engine Systems Fault and it get into limp mode.

When i disconnected it the error clear.

I plugged an obd reader to the car and i found the following error P2121(i attached a picture).

Is there any way to make it work or not?

Did anyone had a problem like that?






9 drive error.png

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