Difference's in P28's.
02-01-2005, 04:46 PM
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Difference's in P28's.
ok i have a p28 a02 (95 ex) and i know that there are different models of this ecu, other than manuel/auto. And other options. Reason why im asking is cause i we tried chipping mine but for some reason it did not read the chip. I know that there is a P28 a00, and supposibly a P28 a51 or something. So what are the differences, or can anyone figure out why it was not reading my chip?
02-01-2005, 04:53 PM
#2
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Re: Difference's in P28's. (sohcvtec1995)
the main differences are :
1)auto to manual
2)then PCB differences
3)programming/distributor pickup differences between 92-3 and 94-5
most likely the issue is, not properly penetrated solder, misoriented 74hc373 or EPROM, wrong resistors/chips used.
1)auto to manual
2)then PCB differences
3)programming/distributor pickup differences between 92-3 and 94-5
most likely the issue is, not properly penetrated solder, misoriented 74hc373 or EPROM, wrong resistors/chips used.
02-01-2005, 05:01 PM
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Re: Difference's in P28's. (eg6ajk)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by eg6ajk »</TD></TR><TR><TD CLASS="quote">the main differences are :
1)auto to manual
2)then PCB differences
3)programming/distributor pickup differences between 92-3 and 94-5
most likely the issue is, not properly penetrated solder, misoriented 74hc373 or EPROM, wrong resistors/chips used.
</TD></TR></TABLE>
well he has a p28 A00 and he used the same chip and setup on his and it runs fine. We resoldered like a billion times, and nothing. we even ordered new resitors, and chip base. But still the same thing.
1)auto to manual
2)then PCB differences
3)programming/distributor pickup differences between 92-3 and 94-5
most likely the issue is, not properly penetrated solder, misoriented 74hc373 or EPROM, wrong resistors/chips used.
</TD></TR></TABLE>
well he has a p28 A00 and he used the same chip and setup on his and it runs fine. We resoldered like a billion times, and nothing. we even ordered new resitors, and chip base. But still the same thing.
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