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Old 07-01-2010, 08:46 PM
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How much should a reflash cost?

Hey all
I gotta have my PCM reflashed. One of my plugs had gone bad and the computer started relearning and adjusting.
After a month I replaced the plugs and I guess the bad plug had caused this ugly idling.
Now I want to reflash my PCM to get my computer to start over.
I went to the local dealer and they said I need to set an appointment a couple days in advance and it will cost me $190. Is that right?
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Old 07-01-2010, 08:50 PM
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BS

pull the battery cable for 15 minutes
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Old 07-02-2010, 05:22 AM
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Part Deux is absolutely correct, if brief. The PCM's flash memory is only modified when a new program is flashed in. This is done either by the dealership with a StarScan device or with a custom programmer such as the DiabloSport Predator.

On the other hand, learned adaptives are stored in volatile memory that is not flash memory, and is lost when you drop battery power. That's what you want.

Now, it's entirely possible you might benefit from a flash to a newer PCM code for other reasons, but for what's stated... no.
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Old 07-02-2010, 07:06 AM
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I agree!!

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Originally Posted by Part Deux View Post
BS

pull the battery cable for 15 minutes
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Originally Posted by Anguish View Post
Part Deux is absolutely correct, if brief. The PCM's flash memory is only modified when a new program is flashed in. This is done either by the dealership with a StarScan device or with a custom programmer such as the DiabloSport Predator.

On the other hand, learned adaptives are stored in volatile memory that is not flash memory, and is lost when you drop battery power. That's what you want.

Now, it's entirely possible you might benefit from a flash to a newer PCM code for other reasons, but for what's stated... no.
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  #5  
Old 07-02-2010, 11:18 AM
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Originally Posted by Part Deux View Post
BS

pull the battery cable for 15 minutes
yah just brain dead her for a while and let it relearn. Hell if you do ever need to get a flash update the book time is only .5hrs so $190 is a lil redic
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