I finish my swap but run into a problem.i did all the wiring correctly.the problem is that my car will idle at 1500 rpm all the time. When i drive its fine.when i stop it goes down to 700 rpm and jump right back up to 1500 rpm. When the car is in complete stop or just running the engine,it would stay at 1500 rpm.help please..i have a 93 240sx
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