wisel Posted February 27, 2012 Report Share Posted February 27, 2012 Warming up my car for good 10 min is my everyday practice before i start the car. today i see RPM going up and down like in few seconds which happened 3 times. should this be a concern or not Link to comment Share on other sites More sharing options...
robon Posted March 21, 2012 Report Share Posted March 21, 2012 Have you checked the sensors if they are working good. Link to comment Share on other sites More sharing options...
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