marwankw Posted June 14, 2005 Share Posted June 14, 2005 Hi, I have a 1998 LS400; my problem is that when I start my AC after a while the RPM needle starts to fluctuate between 700 and 900 every 3 sec (while the compressor is engaged). The fluctuation is most noticeable when the electrical fan is engaged. Any idea why it is happening? Quote Link to comment Share on other sites More sharing options...
steviej Posted June 19, 2005 Share Posted June 19, 2005 possibly due to the added load on the engine from the compressor. steviej Quote Link to comment Share on other sites More sharing options...
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