IDLE SURGE,VERY HIGH IDLE

2001 HYUNDAI ELANTRA
64,000 MILES
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RICK PELLERIN
  • MEMBER
  • 1 POST
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
Aug 11, 2012 at 11:59 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Check for vacuum leaks and ensure the wireharness is clean and secure.
Aug 11, 2012 at 12:06 PM
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