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p0171 & p0300 after tune w/bigger injectors

Old Aug 12, 2009, 11:23 PM
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p0171 & p0300 after tune w/bigger injectors

I am getting p0171 & p0300 after a tune and some 880cc injectors so is there a way to maybe send someone my rom and have it removed?

The car runs super good and gets great gas mileage so I don't wan't to mess with anything but these annoying cel's.
Old Aug 13, 2009, 02:30 AM
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Your injectors aren't set up correctly. P0171 means the ECU is beyond fuel trim adjustment. P0300 means the ECU can't get the stepper motor to adjust to the required idle setting.
Old Aug 13, 2009, 02:43 AM
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p0300 is random misfire code...
Old Aug 13, 2009, 03:59 AM
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you can email me your rom, i will remove them unless i see why your getting them.

"evom name"@live.com
Old Aug 13, 2009, 04:58 AM
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Originally Posted by Fast_Freddie
p0300 is random misfire code...
So it is. Must be running too rich or lean from being out of trim. The OP 's tuner should be responsible for fixing the problem.
Old Aug 13, 2009, 06:04 AM
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Originally Posted by project_skyline
you can email me your rom, i will remove them unless i see why your getting them.

"evom name"@live.com
Ok, Thanks for that offer!, I will try to figure out how to do this today yet

I should add the p0300 was present before the tune and this is an 03 which from what I understand is a cdommon occourance for these.

So I assume the problem lies within the injector scale table?
Old Aug 13, 2009, 08:04 AM
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p0300 can be disabled in the perephiery(sp), you might consider doing that while you're in there.
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