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Fault Codes

Hello,

I'm new with the Fitech set up. I have a 70 GTO with the 600 hP 30002 model EFI. The car was running ok when I first installed the unit. Ran the engine on a dyno and about 30 miles on the car. When the engine was first installed in the car the engine would start instantly when the key was turned. It has gotten worse when starting to the point where the car runs very poorly, not driveable, will not idle or start without giving it gas.  I ran my first data logs last night and created 2 logs. I have a few fault codes. When the car was running poorly I have code 74 (fan code, I'm not using this feature so I can turn this off).  On the second log attempt the car didn't start. I have codes 36, 55, and 105. On the hand held unit I have fault codes DTC1 P0480, and DTC2 P0000.

What do codes 36, 55, and 105 refer to? I haven't been able to locate a list of fault codes online.  Thanks for any help.

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https://fitechefituning.com/fitech-efi-tuning-forum-2/topic/trouble-codes/

redriderjf87 has reacted to this post.
redriderjf87

Little late to the party here, but my 55 code resulted from my failing to reconnect the O2 sensor to the system after I'd disconnected it.