ENGINE IDLE

  • Tiny
  • bkramsey
  • 1997 Toyota Corolla
  • 124,652 miles

Hi, I have a 1997 toyota corolla 1.6 engine, it idles rough (just started) but when I unplug the hose on the vavle cover it idles fine, whats causing the rough idle? Thanks

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Monday, February 20th, 2012 AT 3:54 AM

1 Reply

  • Tiny
  • rasmataz
  • Member

-Do you have a check engine light?

Check the idle air control valve, EGR and PCV valves and test the TPS

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Monday, February 20th, 2012 AT 5:07 AM

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