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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Idle Problems

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Old Feb 12, 2025 | 04:38 AM
  #1  
Aus f150's Avatar
Aus f150
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Idle Problems

Just when i thought i had the truck sorted and was running reallt well, this is the problem i have now .
Sometimes when i shift from park to a gear be it forward or reverse the idle speeds up then comes down slowly.
Also as it is summer down here when i use the air con the idle speeds up and does not come down.
5.0 EFI V8 and AOD trans.
No codes from the reader and new motorcraft tps switch.
Thanks in advance.
 
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Old Feb 12, 2025 | 08:59 AM
  #2  
jas88's Avatar
jas88
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From: Greater Austin, Texas
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Clean your IAC valve and reset computer.
 
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Old Feb 12, 2025 | 03:18 PM
  #3  
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Aus f150
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Already cleaned the iac valve and reset the computer . So i will get a new iac this week.
 
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