Waqar.qatar Posted December 17, 2015 Report Share Posted December 17, 2015 Can anybody assist why rpm goes high and speed reduces after running couple of hours smoothly? Link to comment Share on other sites More sharing options...
nutbolt Posted December 17, 2015 Report Share Posted December 17, 2015 Hi Waqar, Range Rover especially those new shape that launched in 2003 and 2004 are very notorious for all possible electrical issues.I want you to explain me a bit more in detail as what exactly happening and for how long it happen? And do you hear or feel any other symptom while RPM goes high? Like loss of power, or some clicking of relays, or engine fan gushing more prominently? How much high RPM hits in idle and at driving? 1 Link to comment Share on other sites More sharing options...
ethan Posted December 19, 2015 Report Share Posted December 19, 2015 Looks like its time to change the ideal control valve/sensor as a first doubt if you are not explaining anything further. Link to comment Share on other sites More sharing options...
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