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Old 09-08-2010, 04:30 PM   #1
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what to data log? Tom?

ok so ive been fighting a prob for a long time tried everything i can think of to fix it.. found someone that will let me use their laptop to datalog.. i hav ean 02 for focus boosted to hell and back.. putting down over 400 to the wheels.. lately been having probs with ti running lean both in boost and driving and at idle.. itll be running fine then suddenly spike to say 17 on the wideband and even that it is running way to lean for my low setting 15psi.. im seeing 13s all the way to quick and sudden 16s or worse.. havent tried the high setting (25psi) due to how lean it is on the low setting.. what do i need to datalog to help diagnose this problem?


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Old 09-08-2010, 04:40 PM   #2
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This may need to go in the ECU tunning section.


If i had to guess a pid to log, it would be fuel pressure to start with. I know tom will chime in sometime and give you the break down. Might be better to PM or email him.
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Old 09-08-2010, 05:12 PM   #3
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never mind...... i just figured out the problem... omg.... all it was was the mafi was on the wrong setting.. i was on 4 needed to be on 3.. 8 months to figure that out...haha.. im an idiot..
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Old 09-08-2010, 09:46 PM   #4
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MAFia wont make the af spike all of a sudden , if the MAFia is off it will be off all the time from start up idle through 7000 , cruise everything

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Old 09-08-2010, 10:15 PM   #5
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well i readjusted it and it doesnt do what it used to any more... at idle now it stays in between 13-15 and then as soon as i touch the gas it goes quickly to 10 just like it used to.. and when i boost on the low setting it stays no higher than 11.3 where as before it was no lower than 13 and would go as high as 18..
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Old 09-09-2010, 09:14 AM   #6
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Glad you found it. Now get some slicks ;)
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Old 09-09-2010, 11:40 AM   #7
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im poor right now.. i really want some though...
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