so i screwed up. need a quick answer.
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Read the manual to see if your question is answered there before posting. Many users will not reply if the answer is already available in the manual.
If your question is about troubleshooting, configuration, or tuning, you MUST include your processor type (MS-I or MS-II) and code version in your post. If your question is about PCB assembly or modifications, you must also include the main board version number (1.01, 2.2 or 3.0).
If you have questions about MS1/Extra or MS2/Extra code configuration or tuning, please post them at www.msextra.com Such questions posted here will be moved to: a temporary MSextra sub-forum, where they will be removed after 7 days
The full forum rules are here: Forum Rules, be sure to read them all regularly.
so i screwed up. need a quick answer.
so i accidently tried to change my coolant temperature calibration and sent it to the ecu while the engine was running. I have got my fuel maps and acceleration compensation set, but the ecm will not read the coolant temp or the air temp. they both just show 0 degres. I am running firmware 2.3ini. I am going to update this tomorrow. will this correct the coolant and air temp issue or did i screw something up?
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Bernard Fife
- Master Squirter
- Posts: 475
- Joined: Thu Oct 29, 2009 12:54 pm
Re: so i screwed up. need a quick answer.
7AG,
The flash burn may make the engine run badly or not at all while it is burning (because all the values in a 'page' of flash memory have to be written with ones, and then set the the desired values). This can take up to a few seconds. If you were running hard at the time, the engine could be damaged by inaccurate fuel or spark advance values if they were in the page of memory that is being re-written. However, if the burn completed okay and the engine runs fine after the burn, there is nothing further to worry about and no permanent damage has been done.
Lance.
The flash burn may make the engine run badly or not at all while it is burning (because all the values in a 'page' of flash memory have to be written with ones, and then set the the desired values). This can take up to a few seconds. If you were running hard at the time, the engine could be damaged by inaccurate fuel or spark advance values if they were in the page of memory that is being re-written. However, if the burn completed okay and the engine runs fine after the burn, there is nothing further to worry about and no permanent damage has been done.
Lance.
"Never wrestle with pigs. You both get dirty and the pig likes it.” - George Bernard Shaw
Re: so i screwed up. need a quick answer.
well the engine was idling. I do know about tuning and modifying. When I burned the gm coolant temp setting to the ecm while it was running it completely screwed up my fuel maps. Luckily I had them saved in another file. The problem i hve now is that the ecm is giving me a 0 value for the coolant temp and the air temp.
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Bernard Fife
- Master Squirter
- Posts: 475
- Joined: Thu Oct 29, 2009 12:54 pm
Re: so i screwed up. need a quick answer.
"Never wrestle with pigs. You both get dirty and the pig likes it.” - George Bernard Shaw