IDLE SURGE,VERY HIGH IDLE

  • Tiny
  • RICK PELLERIN
  • 2001 Hyundai Elantra
  • 64,000 miles

01 HYUNDAI ELANTRA. REPLACED BAD ALTERNATOR, NOW IT SURGES AT IDLE UNTIL COMPUTER SETS, THEN IT REVS TO 4000 RPM. CODE P0121, REPLACED TPS, STILL DOES SAME THING. ANY IDEAS? THANKS IN ADVANCE

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Saturday, August 11th, 2012 AT 6:59 PM

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  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

Check for vacuum leaks and ensure the wireharness is clean and secure.

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Saturday, August 11th, 2012 AT 7:06 PM

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