Well I pulled the tank and cleaned, checked out the anti-siphon valve and it was clear. Installed new fuel filter and added fresh gas. still have the surging problem. The motor runs well at higher rpms (above 2500). I am leaning towards a sensor. I took the IAC off today and cleaned while it was out i checked the omhs and it was in spec. Do yall think that it could be the map or TPS sensor?.
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