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Old 02-03-2006   #2
Jeffvette
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Default Re: Help, my new Z stumbled on the highway.

The best diagnostic tool to have is a paper clip.

Unbend the paperclip so it is in a "U" shape. Plug it into the ALDL ports (port in the drivers side footwell) A-B. This will hit the ecm codes which will be stored. trun the key to "run"

Count the pulses.

flash.... flash flash is a code 12 which means it is entering the system. Anything after that is a code(s) which will help troubleshoot.

My best guess is your secondary system is at fault, hence the stumble at WOT.
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