Third Generation F-Body Message Boards - ATTN: 7747 users, Bad decision, chip in backwards?

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ATTN: 7747 users, Bad decision, chip in backwards?

One of my friends decided to pull his chip so that I could burn him a new one(didn't ask, just assumed). Only he forgot which way it came out. We put it back in one way and it ran bad. We pulled it again and the SES light flashed rapidly so we figured that the first way was correct. We put it back and it still ran poor. the only thing i did to it was read it with my Pocket programmer.

Is there anything that you could think of that would cause it to run poorly? It back fires at low RPM's and doesn't make it to high RPM's very easily. he also just finished changing the starter.

thanks,
lars

Quote:

<font face="Verdana, Arial" size="2">Originally posted by lars92RS:
One of my friends decided to pull his chip so that I could burn him a new one(didn't ask, just assumed). Only he forgot which way it came out. We put it back in one way and it ran bad. We pulled it again and the SES light flashed rapidly so we figured that the first way was correct. We put it back and it still ran poor. the only thing i did to it was read it with my Pocket programmer.

Is there anything that you could think of that would cause it to run poorly? It back fires at low RPM's and doesn't make it to high RPM's very easily. he also just finished changing the starter.
</font>

trying to read it at too high of voltage could have hurt it. When reading programming an unknown chip always use the lowest voltage versions first.

Notch in chip toward notch in holder, and notchs toward netres.

thanks, i read it at 25v and the and it's a 21v Vpp. thanks Grumpy

-Lars