Join Date: Mar 2007
Location: Northern, NJ
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may not be related at all......but the CEL is sometimes kicked on from the speedo not hooking up. i had a friend that disconnected his speedo so the odometer would not log miles travelled.
well it gave him a CEL and he was told that happened cause of the disconnect. some ecus, from what i was told, regulate fuel/air mixture through vehicle speed.
not sure if that helps or hurts your cause. good luck
2007 CC LE UPREV, Injen CAI, Bassani Cat-Back exhaust, WRP IMS, CP, OME light duty coils, Bilstein Adj. Struts, Alcan custom leaf pack, Bilstein 5129 rear shocks, Access Vanish Bed Cover, Pioneer Avic Z2