I noticed when doing my original cold air PRM that the MAF is longitudinal and looks like it could be installed backwards (I say that because the MAF looks directional) I almost reversed it from the stock direction because the wiring would route slightly better.
Dont know if that is it, but I did give it considerable thought during my CAI install which went well with NO CEL.
Otherwise could you have a leak in one of the intake connections? Accidentally pull a vac hose loose somewhere?
I dont remember a single report of a CEL as the result of an intake install on a GE
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SSR Type-C, RS*R Ti 2000, Odyssey Battery, Unorthodox Racing lightweight pulley set. Tork's $11 Grill mod, 1st JDM T-Light swap, Skunk 2 short shifter, rear wiper delete, front little wiper delete, PRM intake (the original longer tube design)
New item: Monroe Air Shocks
I am forever humbled and grateful for my wife and I having the privilege of adopting our 2 daughters from China.