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larry currier (Larryc)
Registered Member
Username: Larryc

Post Number: 7
Registered: 2-2007
Posted From: 207.200.116.13

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Posted on Monday, February 05, 2007 - 11:57 am:   

Anyone know if DDEC has fail safe type mode that it reverts to when it is carrying a lot of historical codes? Do you have to keep the codes cleared to get the best fuel mileage? I have a 6V92 running DDEC 2.
Sean Welsh (Sean)
Registered Member
Username: Sean

Post Number: 515
Registered: 1-2003
Posted From: 67.142.130.29

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Posted on Monday, February 05, 2007 - 2:45 pm:   

Yes, no, and no.

That is, yes I know, no it does not revert to any kind of reduced-performance setting based on historical codes (only active ones), and no, you do not need to clear historical codes for better performance or mileage.

DDEC-II will only show you codes that are currently active, or have been active during the current "session." If you want to keep a longer code history, get something like a SilverLeaf, which has its own historical memory.

-Sean
Leslie Robinson (Lesrmc9)
Registered Member
Username: Lesrmc9

Post Number: 58
Registered: 10-2004
Posted From: 205.250.41.167

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Posted on Thursday, February 08, 2007 - 9:23 pm:   

Dedec actually the computer has a certian amount of memory ,so if you have many codes it uses up your memory . i have know folks to go into the computor and ad more ram of memory.
Leslie Robinson (Lesrmc9)
Registered Member
Username: Lesrmc9

Post Number: 59
Registered: 10-2004
Posted From: 205.250.41.167

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Posted on Thursday, February 08, 2007 - 9:35 pm:   

dont forget it dedec is read only memory ,so if you have a lot of historic codes it eats up the memory . You will find typical sorces such as oil pressure sender ,fuelpressure sender. if you have dirty oil the sender carbons up and sends codes to the ecm . It needs I forget how longa code length of so many seconds to give you an active code . it will still log the histtoric codes

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