New to ECU Modifacations

Holden/Delco Tuning. ALDL, OBD 1.5. Circa 1989 to 2004.
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delcowizzid
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Re: New to ECU Modifacations

Post by delcowizzid »

http://cgi.ebay.com.au/USB-Serial-Adapt ... 1e5b6b9a28 thats the best one same as a few of us use
If Its Got Gas Or Ass Count Me In.if it cant be fixed with a hammer you have an electrical problem
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VL400
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Re: New to ECU Modifacations

Post by VL400 »

benk wrote:Tried a few different tune and all seemed to work fine, also tried the $12P tune that I modified for the VN but it seam to be running to rich, am looking into it to see if there is anything obvoius that I have missed.
Got the jumpers on the NVRAM setup for 6 cyl and in jumper mode, or if in memcal mode got a memcal plugged in??
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Re: New to ECU Modifacations

Post by benk »

This is the new adaptor that I have on the way
http://cgi.ebay.com.au/ws/eBayISAPI.dll ... K:MEWNX:IT
it is ment to read from 300 baud to 300k baud so I hope it will do
VL400 wrote:Got the jumpers on the NVRAM setup for 6 cyl and in jumper mode, or if in memcal mode got a memcal plugged in??
I think that it is in the $12P program that I have modified, I loaded the AWUY code in and ran fine but will check that I have all the links in the correct place
I am going to have a bit more of a look at the $12P code today, it runs ok but stutters on acceleration and has black smoke comming out the exhaust :thumbdown: , a good sign of overfueling :)
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Holden202T
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Re: New to ECU Modifacations

Post by Holden202T »

got any logs of the 12p running ?
benk
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Re: New to ECU Modifacations

Post by benk »

no, I have to wait for another week or so for my USB adaptor before I can connect to it :(
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Re: New to ECU Modifacations

Post by benk »

found out why the engine was running rich on the $12P tune, I had the wrong number in the hex offset and it was actualy running in limp home mode :oops:
Now have to go back to the original code and start again as I have changed a lot of settings to try and get it running leaner and now it is way to lean- can't wait till I can actualy log it and see what is going on
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Jayme
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Re: New to ECU Modifacations

Post by Jayme »

I did the exact thing myself 2 nights ago -- burnt to the start of a 512k and wondered why it was runnin up to shit :P its easy to do
benk
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Re: New to ECU Modifacations

Post by benk »

Lucky I kept a copy of the original $12P code that I Modded for the VN fitted it today and looks like I'm not far off the correct tune. IT sutters a little when cold but seems to run pritty good everywhere else
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Re: New to ECU Modifacations

Post by benk »

what tables do I have to look at to adjust the AFR when cold and do I have to increase the values or decrease them to make it richer when the engine is cold?
It is running ok once it has reached operating temp
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VL400
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Re: New to ECU Modifacations

Post by VL400 »

Is it running poorly when cold only as you touch the throttle or the whole time?
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