The dreadful Check Engine Light Came on today, no limp mode though. Onstar says "Fuel Control System reading not as expected" Only mods - Airaid/Green Filter. Green filter has been on for about 2 weeks / 200 miles. 93 Octane - Texaco / Chevron last fill up. Any thoughts before I head to...

$165 shipped for shrouds and HID bulbs and ballasts. More air flow to intake, cooler IATs, and nice clean lights. Stealth look.