disconect idle control sensor and it will rev on up but the cooling fan will not work
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2005 Hyundai Accent Question: will not rev past 2300 rpm
Answer #1Bret Bodas from RepairPal Test Shop, December 24, 2009, 10:38Master
This should be taken to a shop that can read the diagnostic trouble codes and perform a diagnosis accordingly.
One problem here is when you unplug sensors, you induce new, unrelated codes into the system. So you have made it more difficult to diagnose. The codes may need to be erased and the vehicle driven until the original codes return to properly diagnose.