Quote:
Originally Posted by Lorne
None taken, I don't really have a whole lot going on right now and my car is pretty important to me. I had heard the early 13's don't like to be supercharged and had a few minor issues but I ignored it chalking it up to minor stuff that wasn't really important to me. After seeing the posts CSG_mike was making on reddit, I did some digging and found all these people freaking out over it. So natural, I freaked out too lol.
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OK here is simplified answer
Cars manufactured before early 2013 had an error in the ecu tune in that the transient ignition retard was effectively disabled above 5000.
If your ECU calibration ID is earlier than ZA1JA01C man or ZA1J A01D auto then you have the issue ie 400C/D 700C/D and A00C/D rom id.
Their is a TSB out to update these early roms to a later rom either B01C or B01D these roms have the transient retard fix and a numder of idle fix's as well.
The lack of transient ignition retard is only really an issue if you have poor fuel like say 91 in your area and you drive the car very hard and shift gears at or very close to redline (7400) quite a lot as the error in rom resulted in the transient retard being disabled if rpm was above 5000 on completion of shift when load came back on and you got excessive knock. you could still get the problem on good fuel but its much less likely as it was related to knock encountered on shifting gears at high rpm.
you will know if your direct injectors are stuffed as you will usually get loud popping sounds from intake on acceleration and maybe other weird issues poor idling hesitation etc.
If you get a tune the tuner will/should update your rom to the latest factory calibration compatible with your car which will likely be B01C or B01D although even A01C or A01D is sufficient. So this problem should not be a problem in tuning or supercharging your car as it was related to firmware in the ecu which is easily updated by dealer or tuner or yourself if you buy a tuning device