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How do you diagnose a bad Eprom?

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Old Mar 11, 2002 | 07:22 PM
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rooster433's Avatar
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How do you diagnose a bad Eprom?

How have you found that your eproms go bad? What is the ways it could go bad.


Mine won't read in the car but read fine in the PP2. I don't know if the chips bad or what.
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Old Mar 11, 2002 | 08:06 PM
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Grim Reaper's Avatar
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From: The Bone Yard
Car: Death Mobile
Engine: 666 c.i.
I found that if my erase time was not quite long enough, that sometimes it would "read" fine by the PP, but it wouldn't operate in the ECM.

Also, eproms have a very short life (in respect to the number of times your can read/re-write). Flash Proms are the only way to go if you have a '165 or '730.
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