Mechanics

(92 K MILES, 4 CYL, AUTO 4X4)ROUGH IDLE

2000 Toyota Rav4

My 2000 Rav4 idles rough. This happens mostly when it is stopped in Drive, the AC is on and when the radiator fans kick on. Scanner showed no codes. I noticed a noise from the Alternator when this happened, and found that the voltage dropped when the fans kicked on, so I replaced the alternator, but the problem persisted. I also cleaned the EGR valve with intake cleaner but the problem persists. I can find no apparent vacuum leaks. I would really appreciate your assistance.
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Tyohf
September 3, 2007.




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