Kinking the fuel pressure sensor pipe

Kinking the fuel press pipe will raise the fuel pressure and will make no difference really on the micra as it will cancel out the higher pressure by reducing the duty cycle of the injectors as the closed loop does its thing.

only way this can work is to get some more capacity from the injectors if they are maxing out but tbh on an N/A open loop but you'll be hard pressed to max out the injectors.

The only proper way to modify the fuelling is to disconnect the lambda or (use other means to get out of closed loop) and then use an afc controller at the least to make changes.
 
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