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Increasing/decreasing values in ECU Flash

 
Old Feb 8, 2009, 09:07 AM
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Increasing/decreasing values in ECU Flash

Greetings,

I am using the latest version of ECU Flash and for some reason when I try to input values manually, such as entering battery latency values in ms for scaling the injectors, they do not go in properly. For example I can increase and decrease the values with the "{-}" keys, but I am supposed to be able to enter "any" value I want manually?

Thank you in advance.

Alex
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Old Feb 8, 2009, 09:31 AM
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I quickly tried it with edit-set data and entered 5.96 and it entered 5.952. Seems to be working fine... not sure why it doesn't enter the exact value.
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Old Feb 8, 2009, 12:44 PM
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Use the = key, ECUFalsh will give you the closes value in decimal that it can to the underlying hex value.

Remember the values you see in ECUFlash are in decimal and use a conversion from the real hex that is in the ROM, so they make more sense when you read them.

MB
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Old Feb 8, 2009, 01:54 PM
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Hi, thank you for the replies. I using version 1.41.2483. When I used the equal sign to enter the exact values I want, for example I want to enter 720 for injector scaling, the value shown is 713. For some reason ECU Flash is not displaying the exact value I am trying to enter and I am not sure if this is a bug in the software or if it is like this by default.

Thank you so much in advance for any assistance or clarification.
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Old Feb 8, 2009, 02:43 PM
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When you enter the number 720, ECUflash has to convert it to a hex number that the ECU can use, but 720 won't covert directly to a hex number in the ECU code, so ECUflash will give you the nearest value it can.

MB
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Old Feb 8, 2009, 05:34 PM
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Got it, that is what I thought. I just wanted to confirm, thank you so much for your explanation/
Alex
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Old Feb 8, 2009, 07:06 PM
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Thats why the tuners wrestling with big injectors can never get just the "right" value for scaling.
Drives 'em nuts, hehe.
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