95 GT High Idle

Wood's 5.0

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A man I know has a really nice, Laser Red, '95 GT 5-speed and it will not idle down below 3,000 RPMs. He is an older gentleman and has owned the car for a long time. The car is in great shape and has not been abused or anything like that. He changed the IAC, albeit it with an Amazon or flea-Bay unit, with no effect. He can even unplug the IAC and that doesn't change anything. Tapping the throttle only raises the RPMs and it goes right back to 3,000. The engine runs just fine; no skips, loss of power, rich smell, etc. He stopped by the house and asked me if I knew anything it might be/he could look for. My response was it could be a number of things. I rattled off a few possibilities for him to check, i.e., vacuum leak, TPS, MAF, TB butterfly position, etc. Any other things y'all can remind me to point him to? Been so long since I have been into the troubleshooting game. Usually, with a Ford, any idle issues are a result of a faulty IAC. Usually goes the other way, though, and won't idle/stay running at all. Thank you in advance for any help or ideas you will offer.
 
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Wood's 5.0

Wood's 5.0

Member
Joined
Sep 27, 2016
Messages
188
Reaction score
102
Location
South Carolina
@white95
Thank you for the reply and link. I mentioned the base idle reset but had forgotten the procedure. Since then, he said he unplugged the MAF and it idled right down. I told him to try cleaning the element first or replace it with a known good one if that didn't work and see what happens. Thank you, again, for the reply and link.
 

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