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I have a 2000 Nissan Sentra GXE. The engine has a judder on acceleration. Most noticeable between 2 and 3k rpms. It does it on hard throttle at speed also.I have no check engine light on and have replaced the coil packs. The idle is slightly unsteady and bounces up and down about 200 to 300 rpms. The best way to describe the judder is it reminds me of a bus starting off on a hill and giving that back and forth jerking as it is accelerating. Any answers would be much appreciated.

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Try replacing the IAC ( idle air control). They can cause the hesitations and can also cause the vehicles ilde to jump up and down. Also check for any loose vaccuum lines.

Posted on Oct 25, 2012

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