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As ive been trying to get my diag software to work i removed the ecu to reconnect plug and check pins. but while removing i noticed that the ecu looks like its been messed with. i took some pics to show you. it also hasnt got a diag switch on the side looks like its missing. the screws on the ecu to hold the cover on have been moved aswell. didnt open it up tho. do you think it could be faulty. had on going misfire issues and when i connect the diag software the data is very jumpy like its getting an intermittent signal.

 

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Not sure about your question but if the cable to the ECU is not put back on properly it will cause a misfire.

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