9lbs .030 is fine, #3330's come at .030 drop right in ^_^ but you're correct that's not your problem. i guess check - or change if you're really frustrated - your o2 sensor but i'd start by checking those wires and replacing the coolant temp sensor for the ecu (not the sending unit for the guage they're two different things, right next to each other, and the parts guy's at the parts stores are fucking retarded) because it's cheaper ooOOoo BUKAKE!!
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