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RedEcoJet, being that you have been driving in the frigid north like myself, have you noticed any temperature related patterns? When I drive the car on a cold engine, it smoothly responds to throttle inputs under light loads in the 1250 to 1600 RPM range. -and then sure as $hit, every time, when...

I wonder if profile learning in the Procal software could make a difference. from the instruction pdf: The Profile Learning switch should only be switched to “ON” when the engine is reporting a misfire DTC such as P0300-P0316. By enabling this switch, the engine will prompt the driver to...

I started my account because of this thread. That's an interesting problem you're having, I have been experiencing something similar. I also have a similar setup with the FP tune, mishimoto intercooler (waiting on the street series cat back) but an automatic transmission. The AT transmission...