DOES NOT IDLE DOWN WHEN IT IS COLD OR HOT

  • Tiny
  • Ron1959
  • 1994 FORD F-150
  • 313,000 MILES

Does not idle down when it is cold or hot. I have done all the test I can think of including the ones for high idle.
5.8 automatic fuel injected.

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Tuesday, October 23rd, 2012 AT 2:38 PM

1 Reply

  • Tiny
  • Hmac300
  • EXPERT
  • 45,647 POSTS

Check for vacuum hoses off or a vacuum leak, clean throttle plate as well as iac with choke cleaner.

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Tuesday, October 23rd, 2012 AT 4:43 PM

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