high idleing

FORD F-150
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TY.PULL1963
  • MEMBER
  • 2 POSTS
hi, i own a 1995 ford 1-150 w/ a 5.8l engine w/ 53000 miles on it it runs like a gem but the problem is, that after i start it and let it get to normal operation temp, the idle will not come down can u help me with that?
Oct 13, 2007 at 3:17 AM

What to check next

Diagnostic guidance. Suggested checks and possible repairs are separate from the owner's reported results.

Clarify the reported idle speed and whether a warning light accompanied it. Provide any diagnostic findings already obtained.

Guidance references and applicability

Source: Original question and visible replies. Owner reports and other participants' experiences are distinguished. Next steps are editorial requests for clarification or existing diagnostic findings, not a verified repair procedure or an independently confirmed component diagnosis.

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CHEVY22
  • ✓Experienced Mechanic
  • 1,375 POSTS
hi
without knowing more , and if there are no codes i would suspect the idle air control motor on the throttle body , the get gummed up and stick , but im not saying thats it there could be a few other things , i would pull it off and check it and if it is clogged grab one from the store and replace it cleaning it will only work for a while and if there is an internal short cleaning will not help

jim
Oct 13, 2007 at 3:37 AM
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INDYUKE
  • ✓Experienced Mechanic
  • 416 POSTS
Check the coolant temp sensor as well. Sometimes it will go bad and see the engine as never warming up, causing the computer to keep the cold idle speed and mixture settings.
Oct 13, 2007 at 4:52 PM
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Discussion summary

high idleing

The owner reported that a 1995 Ford with a 5.8L engine continued to idle high after reaching normal operating temperature. No diagnostic findings or completed repairs were supplied.

Reported outcome: No confirmed cause, completed repair or resolution was reported.

Replies suggested idle-control or coolant-temperature sensing issues, but neither was confirmed. The thread does not establish which component, if any, needs replacement.

Read the original discussion

AI-ASSISTED SUMMARY · REVIEWED BY 2CARPROS
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