today my car started acting a little weird. i cleaned the inside of the throttle bodies and connected everything back up right. it ran well when i first started it up and took it around the block. i parked it back in the driveway and kept it running so i can listen to the motor some more . and after a couple of minutes the car seemed like it was struggling. almost surging. idling low around 500 rpm . i heard a hissing from around the backside of the engine and i replaced a hose that didn't look that good to me. i started it up again and it ran good shortly then it started doing the same thing. and i did still hear hissing, just cant tell where its coming from. im sure its not an efi harness problem because i just replaced that . im tryin to get my z prepared for its daily driver stint. id appreciate all the help i can get. thankz
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car is running rough (please help!) - RonDeezy23:21:43 02/07/11