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Old 02-21-2009, 11:21 PM
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Default 916 EPROM issues...

i have a 1996 original monoposto (with 1.6 ECU and 2-wire charging system)that runs great w/ the OE EPROM chip. but, i have an Arrow half system and would like to get the most out of it by adding a performance EPROM.

thus far i've tried two different aftermarket EPROMs , both of which have not worked at all (the fuel pump doesnt even cycle, hence, bike will not run).

the first was an Arrow EPROM, model# 11004ME.
the second one had a Gianelli sticker over the Arrow sticker; part number 19004EP.
the Arrow application says 94-95 916; the Gianelli says 94-97 916.

im wondering why they dont work (yes, i've installed them in proper clocking orientation), and which other unit i should try. Gotham has a Ducati Performance chip (model# 08054/3) that appears to fit my application.

any input on why the Arrow / Gianelli doesnt work, and IF the D.P. one would work... and/or suggestions on which unit to try next?

thanks.

Last edited by johnnySV; 02-23-2009 at 02:05 PM.
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Old 02-22-2009, 02:28 AM
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Were you SURE that the ECU was powered down when you changed the chip?

Does the bike work when your original chip is installed?
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Old 02-22-2009, 08:23 AM
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94-95 916 is strada model, meaning it is for the P8 ecu and not the 1.6 Go look for an eprom for 916 1996-1998.
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Old 02-22-2009, 01:00 PM
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Quote:
Originally Posted by desmo11 View Post
Were you SURE that the ECU was powered down when you changed the chip?

well the key was off but the battery wasnt disconnected...

Does the bike work when your original chip is installed?
YES, and, the original chip has been in/out a few times now, the same method as the aftermarket chips have been tried.

??
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Old 02-22-2009, 01:02 PM
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Quote:
Originally Posted by TomTom View Post
94-95 916 is strada model, meaning it is for the P8 ecu and not the 1.6 Go look for an eprom for 916 1996-1998.
It is confusing to me that some EPROMs are apparently for the 1994-1997 916. which, as you've mentioned would cover both P8 and 1.6ECUs.

Is it, in fact, a different EPROM chip requirement for the two different computers? has anyone ever tried a chip out of a P8 into a 1.6 ??
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Old 02-22-2009, 01:10 PM
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Quote:
Originally Posted by johnnySV View Post
It is confusing to me that some EPROMs are apparently for the 1994-1997 916. which, as you've mentioned would cover both P8 and 1.6ECUs.

Is it, in fact, a different EPROM chip requirement for the two different computers? has anyone ever tried a chip out of a P8 into a 1.6 ??
It is different EPROMS in P8 and P16. They are not interchanchable at all.

Jocke
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Old 02-22-2009, 01:15 PM
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Jocke,

are they physically different in size or just internally?
...will a P8 chip physically plug into a 1.6?

thanks,
jSV
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Old 02-22-2009, 01:17 PM
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here is some additional information:

a cross ref of ducati performance EPROM model numbers, found here:
How can I Identify my ECU Chips? - Ducatisti Forum

the chip that Gotham has for sale (the one i think i want to try next) is the 08054/3 model. far as i can tell from below, that model# is designed for 916's with a half system, but there is no distinction between model years ??

Ducati Performance EPROMS:
New Part number (old part number)
96502394C (08054/1) - 916 Monoposto '94, silencers Racing
965013AAA (08054/3) - 916 Biposto silencers Racing
965015AAA (08054/11) - 996 Racing silencers
965014AAA (08054/ 6) - 748 Twin-seat silencers Racing
965024AAA (08054/15) - 748R Silencers Racing
96502694C (08054/19) - 916 Monoposto '94, silencers Ø 50
965027AAA (08054/20) - 916 Biposto silencers Ø 50
965025AAA (08054/22) - 996 Silencers Ø 50
96506501B (n/a) - 996S Silencers Racing Ø 50
965028AAA (08054/17) - 748 Biposto silencers Ø 50
965029AAA (08054/18 ) - 748SPS Silencers Ø 50
965030AAA (08054/16) - 748R Silencers Ø 50
96503394C (08054/2) - 916 Monoposto '94, complete assembly Ø 50
96503494C (08054/4) - 916 Biposto complete assembly Ø 50
965035AAA (08054/5) - 916SP Complete assembly Ø 50
965031AAA (08054/14) - 996 Complete assembly Ø 50
965032AAA (08054/26) - 996SPS/916SPS Complete assembly Ø 50
965036AAA (08054/7) - 748 Biposto complete assembly Ø 50
965044AAA (08054/8 ) - 748SPS Complete assembly Ø 50
965037AAA (08054/25) - 748R Complete assembly Ø 50
965038AAA (08054/23) - 996 Complete assembly Ø 52
965040AAA (08054/21) - 916 Biposto complete assembly Ø 52
965035AAA (08054/5) - 916 SP Complete assembly Ø 52
965039AAA (08054/24) - 996SPS/916SPS Complete assembly Ø 52
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Old 02-22-2009, 01:40 PM
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Just to clarify ... you're using the NOTCH on the side of the chip to establish the correct orientation, and just not using the label on the chip. Correct?
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Old 02-22-2009, 01:44 PM
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affirmative, notch faces forward....
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Old 02-22-2009, 01:46 PM
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Not 100% sure but I have a feeling that all 916BP came with P16. 1994 strada had P8 and possible 1995 stradas too.


Jocke.....
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Old 02-22-2009, 01:50 PM
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that might make sense b/c the original chip in my 1996 Mono with 1.6 ECU says "bi-posto" right on it.

besides, there shouldnt be any functional (performance) difference b/t a mono or bip of the same year, correct?
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Old 02-22-2009, 10:08 PM
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The eproms are for P8.
Can't speak for anybody else, but I would be very clear on what bikes the eproms will work on to avoid this situation, implying the seller have little clue what the difference is, or possibly someone knows but it's not the same guy writing the list.

The chance the slipon eproms are original richened slightly is high and they wont do anything other than drain your wallet. Original 916 eprom is very good so my advice is to invest the money in basic settings and it should be fine. Boring answer when you are inspired I know.
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Old 02-23-2009, 02:07 PM
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Quote:
Originally Posted by TomTom View Post
The eproms are for P8.
TomTom - how do we know these are for P8 ????

also, I made a mistake in my original post which has now been corrected:
The Gianelli model# is 19004EP. again, this one still dont work.
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