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yes it may be possible because I have a weak power supply. But I don't understand why the factory ecu works well and link g4 does not work properly, the fuel pump control module stops working, I have the tps wire with current and link g4 is constantly on even with the key off. none of this happens with the factory ecu.

Hi I have a same problem in my r32 gtst rb25. The rb25 ecu working fine but the link continue work when i turn off the key ...