creeping idle when stopped

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Joined: Fri Jan 31, 2003 8:16 am

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My 89 240SX idle creeps up from just below 1000 RPM to 2000 RPM when stopped. If I shift to neutral when driving and coast at normal driving speeds, the idle stays at 1000. I have looked for obvious vacuum hose leaks around the smog things - EGR valve and a couple of others. Is there a better way to find vacuum leaks? Is there a specific smog type device that may have gone bad? I just replaced all 4 injectors. Is there any connection to that repair?

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