Weird idle
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Weird idle
I’ve had my truck for over a year and it’s always had an odd idle issue. If you give the truck any throttle it may or may not decide to drop the rpms back down to normal idle. It will always eventually drop back down but it sometimes will take over a minute or two. It also doesn’t seem to matter whether the truck is warm or not or if it’s warm outside. I ran with the iac unplugged for the longest time because I liked the way the truck ran and it stopped the problem( because it cant control the idle with it unplugged) but the truck ran really rich and I think I lost some mpg. I’ve replaced almost every sensor under the hood that I know of and I still have never figured out what was wrong. I’m open to any suggestions. Thanks
It is a 1990 f250 351w
It is a 1990 f250 351w
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