Quote:
Originally Posted by Jetpak
I'm having this problem as well, Fuel trims and AFR look normal. Mine CEL just randomly popped up after a year of having OFT STG 2 with Tomei UEL. I get codes p219a and p119e. I had stock air filter and changed it to K&N after CEL popped up and tried cleaning MAF sensor, but still no luck.
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Check for intake and exhaust air leaks