doubtful its the maf, but its always good to clean. use MAF cleaner. however you could be sucking in extra air causing the o2's to read lean and compinsate. check your vacume lines and any other hoses coming in or out from the engine.
**edit pull a plug and check that as well
Last edited by fourliter dan; 06-20-2010 at 11:32 PM.
Reason: another thought